Tag Archives: pp compression fittings reducing coupling

China wholesaler Factory Price PP Compression Fittings PP Reducing Coupling

Product Description

Product Description

 

Product Parameters

 

PP Compression Fittings –  HDPE Irrigation Fittings
ITEM NO: ITEM NAME: SIZE
F01 PP ADDING EXIT 25,32,40,50,63,75,90,110,125,160,200,250
F02 PP COUPLING 20,25,32,40,50,63,75,90,110
F03 PP 90 DEG ELBOW 20,25,32,40,50,63,75,90,110
F04 PP Elbow Wall Plated 20,25,32,40,50,63,75,90,110
F05 PP End Cap 20,25,32,40,50,63,75,90,110
F06 PP Female Adapter

20×1/2″,20×3/4″,25×1/2″,25×3/4″,25×1″,32×1″,40×1-1/4″,50×1-1/2″,63×2″, 75×2-1/2″,90×3″,110×4″

F07 PP Female Elbow

20×1/2″,20×3/4″,25×1/2″,25×3/4″,25×1″,32×1″,40×1-1/4″,50×1-1/2″,63×2″, 75×2-1/2″,90×3″,110×4″

F08 PP Female Tee

20×1/2″,20×3/4″,25×1/2″,25×3/4″,25×1″,32×1″,40×1-1/4″,50×1-1/2″,63×2″, 75×2-1/2″,90×3″,110×4″

F09 PP Male Tee 20,25,32,40,50,63,75,90,110
F10 PP Flange

40×1-1/2″,50×1-1/2″,50×2″,63×2″,63×2-1/2″,75×2-1/2″,75×3″,90×3″,90×4″,110×4″

F11 PP Male Adapter 20,25,32,40,50,63,75,90,110
F12 PP Tee 20,25,32,40,50,63,75,90,110
F13 PP Reducing Coupling

25×20,32×20,32×25,40×25,40×32,50×25,50×32,50×40,63×32,63×40,63×50,

75×50,75×63,90×63,90×75,110×90

F14 PP Male Elbow 20×1/2″,25×3/4″,32×1″,40×1-1/4″,50×1-1/2″,63×2″,75×2-1/2″,90×3″,110″x4″
F15 PP Reducing Tee

25x20x25,32x20x32,32x25x32,40x25x40,40x32x40,50x25x50,50x32x50,

50x40x50,63x50x63,75x50x75,75x63x75,90x63x90,90x75x90,110x90x1

*We can customize the products according to your requirements.

Application


Pvc pipe is widely used in industrial and civil building, including indoor and out door drainage,sewage pipe project,  agricultural irrigation system, chemical drainage, sewage, it also suitable for ventilation pipe and drainage pipeline, etc.

Certifications

Packaging & Shipping

Company Profile

ZheJiang CHINAMFG Pipe Co.,Ltd is professional manufacturer of plastic pipes and fittings with more than 15 years exporting experience. Our company has 30 production lines and covers an area of 20,000 square meters.
Our company’s main products are: HDPE,PVC,PP-R,MPP and other series, widely used in construction engineering, municipal engineering, agricultural irrigation and drainage, gas transportation, home improvement, power cable sheathing and other fields. There are nearly 3,000 kinds of pipes and fittings and valve products of different varieties and specifications.

Customer Visit


With 15 years of  exporting experience, we have received friends from all over the world. The friends we met at the exhibition and those who visited our factory all spoke highly of our products. We are business partners, but also friends in life. We hope to have more friends to join our big family.

FAQ

Q1: What is the Raw material ?
Re: 100% virgin raw material.
Q2: May I get 1 sample before placing order?
Re: Yes, Sample are available.  Samples are for free and you just need to bear the freight.
Q3: Which payment is available for your company?
Re: T/T, L/C . You can choose the 1 which is convenient for you.
Q4: What is your MOQ?
Re: As customers’ requests. 
Q5: why choose us?
Re: We are a professional manufacturer with competitive price, good quality and fast delivery time.
Q6: Can you Offer OEM service?
Re: Yes, we can.
Q7: What is the shipping port?
Re: HangZhou port or Customer designated port.

  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

compression coupling

Real-World Examples of Plumbing Applications for Compression Couplings

Compression couplings are widely utilized in various plumbing applications due to their ease of use and reliable performance. Here are some real-world examples where compression couplings are frequently used:

  • Residential Plumbing: Compression couplings are commonly used in residential plumbing systems to join pipes for water supply lines, drainage, and venting. They are often employed in kitchen sinks, bathroom fixtures, and outdoor faucets.
  • Commercial Buildings: In commercial buildings such as offices, hotels, and shopping centers, compression couplings are used for water distribution and drainage systems. They provide quick and secure connections, reducing installation time.
  • Industrial Facilities: Industries utilize compression couplings for various applications, including connecting pipes for process fluids, chemicals, and wastewater. They are suitable for both temporary and permanent installations.
  • Irrigation Systems: Compression couplings are essential in agricultural and landscape irrigation systems. They allow for efficient connections between different types of pipes, ensuring proper water distribution.
  • Emergency Repairs: Compression couplings are valuable for emergency repairs where immediate fixes are needed. They provide a temporary solution until a more permanent repair can be performed.

Overall, compression couplings play a crucial role in maintaining the integrity of plumbing systems across residential, commercial, and industrial settings.

compression coupling

Handling Thermal Expansion and Contraction with Compression Couplings

Compression couplings are designed to accommodate thermal expansion and contraction in pipes, which can occur due to temperature changes. Here’s how they handle these changes:

When pipes are exposed to higher temperatures, they expand in length. Compression couplings feature a flexible design that allows them to adjust their length to match the expansion of the pipes. The coupling’s compressible components, such as the rubber or elastomeric sealing elements, can deform slightly to absorb the increased length of the pipe without causing stress or distortion.

Conversely, when pipes are subjected to lower temperatures, they contract in length. The flexible nature of compression couplings allows them to contract along with the pipes, preventing any undue stress or pressure on the pipe connections. The compressible elements within the coupling can adjust to the reduced length of the pipe, ensuring a tight and secure seal.

This ability to accommodate thermal expansion and contraction is crucial in preventing damage to the pipes, coupling, and the overall plumbing system. Compression couplings provide a reliable and effective solution for maintaining the integrity of the pipes and connections while withstanding temperature fluctuations.

compression coupling

Installation Process of a Compression Coupling in Plumbing Systems

The installation of a compression coupling in plumbing systems involves the following steps:

  1. Prepare the Pipes: Cut the pipes to the desired lengths and ensure that the ends are clean and free from debris or burrs.
  2. Slide on Compression Nut and Ferrule: Slide the compression nut onto one of the pipes, followed by the compression ferrule.
  3. Insert the Coupling: Insert the other pipe end into the coupling body until it reaches the desired depth.
  4. Tighten the Nut: Slide the compression nut and ferrule over the other pipe end and thread the nut onto the coupling body. Hand-tighten the nut initially.
  5. Use Wrenches: Use two wrenches—one to hold the coupling body steady and another to tighten the compression nut. Make sure not to overtighten to avoid damaging the coupling or pipes.
  6. Check for Leaks: Turn on the water supply and check for any leaks around the coupling. If there are no leaks, the installation is successful.

Compression couplings provide a convenient and effective way to join pipes without the need for soldering or welding. Proper installation ensures a secure and leak-resistant connection in plumbing systems.

China wholesaler Factory Price PP Compression Fittings PP Reducing Coupling  China wholesaler Factory Price PP Compression Fittings PP Reducing Coupling
editor by CX 2024-02-23

China OEM Irrigation System Compression Fittings PP Push Fit Fittings Pn16 Reducing Coupling

Product Description

For Irrigation System Compression Fittings PP Push Fit Fittings Pn16 Reducing Coupling

PP Compression Fittings have been designed for kinds of fluids transport under high pressure, irrigation and other applications. They are fully compatible with all PELD, PEHD, PE40,PE80 and PE100 pipes.

The performance standard of PP fittings about working pressure can match ISO14236 or DIN8076, the standard about threads can match ISO7,DIN EN 15716, ASME B1.20, or BS21.

The maximum working pressure of PP compression fitting, which diameter is from 20 to 63, can match PN16, and PN10 can be matched for the diameter, which is from 75 to 110, at temperature of 20°C.

The clamp saddles have been designed for side outputs on PE and they are available in the large range of sizes. The clamp saddles are fit for conveying food fluids because its materials are conform to the domestic and international standards.

Product list and Dimensions

PP Compression Fittings
Item Number Description Dimension Available
1 PP ADDING EXIT 25,32,40,50,63,75,90,110,125,160,200,250
2 PP COUPLING  20,25,32,40,50,63,75,90,110
3  PP 90 DEG ELBOW 20,25,32,40,50,63,75,90,110
4 PP Elbow Wall Plated 20,25,32,40,50,63,75,90,110
5  PP End  Cap 20,25,32,40,50,63,75,90,110
6  PP Female Adapter 20×1/2″,20×3/4″,25×1/2″,25×3/4″,25×1″,32×1″,40×1-1/4″,50×1-1/2″,63×2″, 75×2-1/2″,90×3″,110×4″
7 PP Female Elbow 20×1/2″,20×3/4″,25×1/2″,25×3/4″,25×1″,32×1″,40×1-1/4″,50×1-1/2″,63×2″, 75×2-1/2″,90×3″,110×4″
8  PP Female Tee 20×1/2″,20×3/4″,25×1/2″,25×3/4″,25×1″,32×1″,40×1-1/4″,50×1-1/2″,63×2″, 75×2-1/2″,90×3″,110×4″
9  PP Male Tee 20,25,32,40,50,63,75,90,110
10 PP Flange  40×1-1/2″,50×1-1/2″,50×2″,63×2″,63×2-1/2″,75×2-1/2″,75×3″,90×3″,90×4″,110×4″
11 PP Male Adapter 20,25,32,40,50,63,75,90,110
12 PP Tee  20,25,32,40,50,63,75,90,110
13  PP Reducing Coupling 25×20,32×20,32×25,40×25,40×32,50×25,50×32,50×40,63×32,63×40,63×50,75×50,75×63,90×63,
90×75,110×90
14   PP Male Elbow 20×1/2″,25×3/4″,32×1″,40×1-1/4″,50×1-1/2″,63×2″,75×2-1/2″,90×3″,110″x4″
15 PP Reducing Tee 25x20x25,32x20x32,32x25x32,40x25x40,40x32x40,50x25x50,50x32x50,50x40x50,63x50x63,
75x50x75,75x63x75,90x63x90,90x75x90,110x90x

Features

Match with PE pipe

PP Compression fittings for PE pressure piping networks.

Fast & Reliable Connection:

Split ring opening has been optimized to make pipe insertion even easier. Turning of pipe can be prevented by inner threaded during installation.

Perfect Sealing in all Conditions:

When tightened and due to seat be compacted, o-ring makes pressure against pipe, superior water tightness was provided.

Fields of Applications

*   Piping networks for water supply of public works
*   Piping networks for underground water supply system of living areas or factories
*   Piping networks for water treatment systems
*   Piping networks for irrigation of gardening or farming

Factory and Facility

Main Products

Certificates

FAQ

Q1: Are you manufacture?

A: YES we are manufacturer.
 

Q2: Do you provide free sample?

A: YES, we supply you free sample within one day.

 

Q3: What is your deivery time?

A: Our delivery time is normally 7 to 15 days after deposit.

 

Q4: What is the payment terms?

A: We accept T/T, L/C at sight, PayPal & West union.
 

Q5: May I visit your factory?

A: Yes we welcome your visiting us someday at your convenience.
 

Q6: Can you accept our deisgn and products?

A: Yes we have professional engineer teams. We can deisgn and produce special products

   According to customers’ request.
 

Contact us

  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

compression coupling

Usability of Compression Couplings for Permanent and Temporary Pipe Connections

Compression couplings are versatile fittings that can be used for both permanent and temporary pipe connections, depending on the specific needs of the application:

Permanent Connections: Compression couplings can be used to create durable and long-lasting connections in plumbing and piping systems. When installed properly and with the appropriate sealing materials, compression couplings can provide reliable and leak-proof connections that are suitable for permanent installations. These couplings are often used in residential, commercial, and industrial plumbing projects where a secure and lasting connection is required.

Temporary Connections: Compression couplings can also be used for temporary connections, especially when the need for reconfiguration or maintenance arises. Their ease of installation and removal makes them convenient for situations where pipes or components need to be temporarily connected and later disconnected. This flexibility is particularly useful in situations where pipes might need to be moved or repositioned for maintenance or adjustments.

It’s important to note that while compression couplings can be used for temporary connections, they are designed to create secure seals that resist leaks. As such, they can be relied upon for both permanent and temporary applications, providing a balance between ease of use and durability.

compression coupling

Suitability of Compression Couplings for Potable Water and Corrosive Fluids

Compression couplings can be suitable for applications involving both potable water and corrosive fluids, depending on the materials used in their construction:

1. Potable Water: Compression couplings made from materials approved for potable water use, such as brass, stainless steel, or certain types of plastics, can be safely used in plumbing systems that carry drinking water. These couplings provide a reliable and leak-free connection without introducing contaminants or affecting water quality.

2. Corrosive Fluids: Compression couplings can also be suitable for corrosive fluids if they are made from materials that are resistant to the specific corrosive agents present in the fluid. For example, stainless steel compression couplings are often used for corrosive fluids due to their resistance to a wide range of chemicals and substances.

It’s important to select compression couplings that are compatible with the fluid being transported. Couplings made from materials that are chemically resistant to the fluids in the system will ensure the longevity of the coupling and maintain the integrity of the plumbing or piping system.

compression coupling

Types of Compression Couplings for Specific Pipe Materials

Compression couplings come in various designs tailored to specific pipe materials. Here are some common types:

  • Copper Compression Couplings: These couplings are designed for joining copper pipes. They typically consist of a brass body and a compression ring that creates a tight seal when compressed.
  • PEX Compression Couplings: Used for connecting PEX (cross-linked polyethylene) pipes, these couplings often feature a brass body with an insert for securing the PEX pipe. They ensure a secure and leak-free connection.
  • PVC Compression Couplings: Designed for connecting PVC pipes, these couplings feature a PVC body and compression nuts that create a tight seal. They are commonly used in irrigation and plumbing systems.
  • Steel Compression Couplings: These couplings are suitable for connecting steel pipes. They often feature a steel body with compression rings for a secure connection.
  • Multi-Material Compression Couplings: Some compression couplings are designed to connect pipes made from different materials, such as copper to PEX or copper to PVC. These couplings provide versatility and convenience in mixed-material plumbing systems.

The specific type of compression coupling to use depends on the material of the pipes being connected. Choosing the right type ensures a secure and reliable connection while preventing leaks and maintaining the integrity of the plumbing system.

China OEM Irrigation System Compression Fittings PP Push Fit Fittings Pn16 Reducing Coupling  China OEM Irrigation System Compression Fittings PP Push Fit Fittings Pn16 Reducing Coupling
editor by CX 2024-02-17

China OEM Irrigation System Compression Fittings PP Push Fit Fittings Pn16 Reducing Coupling

Product Description

For Irrigation System Compression Fittings PP Push Fit Fittings Pn16 Reducing Coupling

PP Compression Fittings have been designed for kinds of fluids transport under high pressure, irrigation and other applications. They are fully compatible with all PELD, PEHD, PE40,PE80 and PE100 pipes.

The performance standard of PP fittings about working pressure can match ISO14236 or DIN8076, the standard about threads can match ISO7,DIN EN 15716, ASME B1.20, or BS21.

The maximum working pressure of PP compression fitting, which diameter is from 20 to 63, can match PN16, and PN10 can be matched for the diameter, which is from 75 to 110, at temperature of 20°C.

The clamp saddles have been designed for side outputs on PE and they are available in the large range of sizes. The clamp saddles are fit for conveying food fluids because its materials are conform to the domestic and international standards.

Product list and Dimensions

PP Compression Fittings
Item Number Description Dimension Available
1 PP ADDING EXIT 25,32,40,50,63,75,90,110,125,160,200,250
2 PP COUPLING  20,25,32,40,50,63,75,90,110
3  PP 90 DEG ELBOW 20,25,32,40,50,63,75,90,110
4 PP Elbow Wall Plated 20,25,32,40,50,63,75,90,110
5  PP End  Cap 20,25,32,40,50,63,75,90,110
6  PP Female Adapter 20×1/2″,20×3/4″,25×1/2″,25×3/4″,25×1″,32×1″,40×1-1/4″,50×1-1/2″,63×2″, 75×2-1/2″,90×3″,110×4″
7 PP Female Elbow 20×1/2″,20×3/4″,25×1/2″,25×3/4″,25×1″,32×1″,40×1-1/4″,50×1-1/2″,63×2″, 75×2-1/2″,90×3″,110×4″
8  PP Female Tee 20×1/2″,20×3/4″,25×1/2″,25×3/4″,25×1″,32×1″,40×1-1/4″,50×1-1/2″,63×2″, 75×2-1/2″,90×3″,110×4″
9  PP Male Tee 20,25,32,40,50,63,75,90,110
10 PP Flange  40×1-1/2″,50×1-1/2″,50×2″,63×2″,63×2-1/2″,75×2-1/2″,75×3″,90×3″,90×4″,110×4″
11 PP Male Adapter 20,25,32,40,50,63,75,90,110
12 PP Tee  20,25,32,40,50,63,75,90,110
13  PP Reducing Coupling 25×20,32×20,32×25,40×25,40×32,50×25,50×32,50×40,63×32,63×40,63×50,75×50,75×63,90×63,
90×75,110×90
14   PP Male Elbow 20×1/2″,25×3/4″,32×1″,40×1-1/4″,50×1-1/2″,63×2″,75×2-1/2″,90×3″,110″x4″
15 PP Reducing Tee 25x20x25,32x20x32,32x25x32,40x25x40,40x32x40,50x25x50,50x32x50,50x40x50,63x50x63,
75x50x75,75x63x75,90x63x90,90x75x90,110x90x

Features

Match with PE pipe

PP Compression fittings for PE pressure piping networks.

Fast & Reliable Connection:

Split ring opening has been optimized to make pipe insertion even easier. Turning of pipe can be prevented by inner threaded during installation.

Perfect Sealing in all Conditions:

When tightened and due to seat be compacted, o-ring makes pressure against pipe, superior water tightness was provided.

Fields of Applications

*   Piping networks for water supply of public works
*   Piping networks for underground water supply system of living areas or factories
*   Piping networks for water treatment systems
*   Piping networks for irrigation of gardening or farming

Factory and Facility

Main Products

Certificates

FAQ

Q1: Are you manufacture?

A: YES we are manufacturer.
 

Q2: Do you provide free sample?

A: YES, we supply you free sample within one day.

 

Q3: What is your deivery time?

A: Our delivery time is normally 7 to 15 days after deposit.

 

Q4: What is the payment terms?

A: We accept T/T, L/C at sight, PayPal & West union.
 

Q5: May I visit your factory?

A: Yes we welcome your visiting us someday at your convenience.
 

Q6: Can you accept our deisgn and products?

A: Yes we have professional engineer teams. We can deisgn and produce special products

   According to customers’ request.
 

Contact us

  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

compression coupling

Industry Standards and Guidelines for Compression Couplings in Plumbing

Compression couplings in plumbing are subject to industry standards and guidelines that ensure proper installation, performance, and safety. Some notable standards include:

  • ASTM F2080: This standard specifies requirements for compression fittings and couplings for use with PEX tubing in potable water systems. It covers dimensional, material, and performance requirements to ensure reliable connections.
  • NSF/ANSI 61: This standard establishes requirements for products that come into contact with drinking water, including compression couplings. It ensures that materials and products do not leach harmful substances into the water supply.
  • Local Building Codes: Many regions have specific building codes that dictate the use of compression couplings in plumbing systems. These codes ensure compliance with safety and quality standards.

Installers and plumbing professionals should adhere to these standards and guidelines to ensure that compression couplings are used appropriately and provide reliable and safe connections.

compression coupling

Suitability of Compression Couplings for Potable Water and Corrosive Fluids

Compression couplings can be suitable for applications involving both potable water and corrosive fluids, depending on the materials used in their construction:

1. Potable Water: Compression couplings made from materials approved for potable water use, such as brass, stainless steel, or certain types of plastics, can be safely used in plumbing systems that carry drinking water. These couplings provide a reliable and leak-free connection without introducing contaminants or affecting water quality.

2. Corrosive Fluids: Compression couplings can also be suitable for corrosive fluids if they are made from materials that are resistant to the specific corrosive agents present in the fluid. For example, stainless steel compression couplings are often used for corrosive fluids due to their resistance to a wide range of chemicals and substances.

It’s important to select compression couplings that are compatible with the fluid being transported. Couplings made from materials that are chemically resistant to the fluids in the system will ensure the longevity of the coupling and maintain the integrity of the plumbing or piping system.

compression coupling

Factors to Consider When Selecting a Compression Coupling

Choosing the right compression coupling for a specific application involves considering several factors to ensure a proper and reliable connection:

  • Pipe Material: Different compression couplings are designed to work with specific pipe materials, such as copper, PVC, PEX, or steel. Ensure the coupling material is compatible with the pipes you’re joining.
  • Pipe Size: Compression couplings come in various sizes to accommodate different pipe diameters. Choose a coupling size that matches the pipe size.
  • Application: Consider the type of application, whether it’s for plumbing, irrigation, or other systems. The coupling should be suitable for the intended use.
  • Pressure Rating: Check the pressure rating of the coupling to ensure it can handle the maximum pressure of the system it’s being used in.
  • Temperature Range: Consider the temperature range of the system. Some couplings are designed for use with hot water, while others are not suitable for high temperatures.
  • Compatibility: Ensure that the compression coupling is compatible with any existing pipes, fittings, or components in the system.
  • Installation: Evaluate the ease of installation. Some couplings require special tools, while others can be tightened using basic tools.
  • Seal Reliability: Look for couplings that provide a secure and leak-resistant seal. The design of the compression rings or inserts should ensure a watertight connection.
  • Corrosion Resistance: If the system will be exposed to moisture or corrosive substances, choose a coupling that is resistant to corrosion.
  • Brand and Quality: Opt for reputable brands known for producing high-quality couplings that adhere to industry standards.

By considering these factors, you can select a compression coupling that meets the requirements of your specific application and ensures a durable and effective pipe connection.

China OEM Irrigation System Compression Fittings PP Push Fit Fittings Pn16 Reducing Coupling  China OEM Irrigation System Compression Fittings PP Push Fit Fittings Pn16 Reducing Coupling
editor by CX 2024-02-04

China Standard Factory Price PP Compression Water Supply and Irrigation Pipe Fittings Plastic Elbow PP Reducing Coupling

Product Description

A HDPE compression reducer fitting is used to join 2 lengths of different-size metric HDPE pipe.
With a size range from 25/20 mm to 110/90 mm, PP compression reducer fittings are suitable for water and other similar fluids, with pressures up to 16 bar. Poly pipe Reducer compression fittings are made from high quality PP-B material that is resistant to etching by numerous chemical substances, and to UV rays, and are suitable for outdoor use.
 
SUNPLAST HDPE compression fittings / PP compression fittings are are manufactured in compliance with the requirements of standards EN 712/713/715/911; ISO 3501/3503/3458/3459.The fittings can be installed on HDPE pipes which are in compliance with standards ISO 11922; DIN 8072/8074; UNE 53131. The threaded versions are manufactured in compliance with standard ISO 7; DIN 2999.
 
 
 
 
PP compression reducer are consisted of 5 palstic accessories:

Mark Part Name Material Color
A Cap High quality polypropylene black co-polymer (PP-B) Blue
B Clinching Ring POM resin White
C Blocking Bush High quality polypropylene black co-polymer (PP-B) Black
D “O” Ring Gasket NBR rubber Black
E Body High quality polypropylene black co-polymer (PP-B) Black

 
More brief details as below:

Product HDPE Compression Reducer, PP Compression reducer, Compression reducer, poly compression reducer, HDPE pipe compression reducer, Compression Reducer fittings, Poly pipe compression reducer, PP compression reducer
Specification  25*20mm to 110*90mm
Pressure ratings  Working Pressure at 20ºC:
20~63mm in PN16; 75~110mm in PN10
Material High quality polypropylene black co-polymer (PP-B)
Color Black body / Blue Cap
Manufacturing Standard Dimensions and characteristics:  ISO 3501/3503/3458/3459.
To be installed on HDPE pipes: ISO 11922; DIN 8072/8074;        
Threads (BSP): ISO 7; DIN 2999.
Samples available  Yes, samples are available, but charged.
Packing method  Cartons
MOQ  Negotiable
Customized Logo available
(OEM Service)
For small quantity of order, customer logo can be marked on the fittings by laser marking or sticker.
For big quantity of order, customer logo can be embossed on the fittings.
Production lead time  Mass stock available for regular sizes
About 10 days for a 20ft container, 20 days for a 40ft container
Warranty time  1 years for normal use 
Payment term  T/T, L/C, DP, Western Union, or negotiable 
FOB loading port  HangZhou/ZheJiang China 
Place of origin  HangZhou, China 

 
 
Product Specifications    
HDPE/PP compression reducer  fittings can be manufactured sizing from 25×20mm to 110×90mm. The size 20-63mm with a pressure of PN16, and 75-110mm pressurized in PN10.   

 

Size
(mm)
Pressure Rating
(bar)
Weight
(gram/PCS)
Packing
(PCS/CTN)
20*25 PN16 98 180
32*20 PN16 126 120
32*25 PN16 141 112
40*25 PN16 219 65
40*32 PN16 242 64
50*20 PN16 348 48
50*25 PN16 348 48
50*32 PN16 372 48
50*40 PN16 414 36
63*25 PN16 554 30
63*32 PN16 562 30
63*40 PN16 627 25
63*50 PN16 711 24
75*50 PN10 679 16
75*63 PN10 761 14
90*32 PN10 787 9
90*50 PN10 875 9
90*63 PN10 957 9
90*75 PN10 1173 9
110*32 PN10 1339 5
110*50 PN10 1420 5
110*63 PN10 1508 5
110*75 PN10 1724 4
110*90 PN10 1874 4

 

HDPE Compression Fittings CHINAMFG Can Offer
As a integrated & experienced manufacturer & provider in China, CHINAMFG carries an extensive range of HDPE compression fittings in a diameter sizing from 20mm to 110mm, and all customers can find the best solution of fittings for their pipeline systems in CHINAMFG
 
Our poly pipe compression fittings include:
→ HDPE Compression Coupler/Coupling,HDPE Compression Reducer Fittings, HDPE Compression Female/Male Adaptor Fittings
→ HDPE Compression 90 Degree Elbow,HDPE Compression Female/Male Elbow Fittings
→ HDPE Compression Equal Tee, HDPE Compression Reducing Tee, HDPE Compression Female/Male Tee Fittings
→ HDPE Compression Flange Adaptor
→ HDPE Compression End Cap
 

Benefits Of PP Compression fittings
By comparison of the other fittings, poly pipe  compression fittings provide outstanding physical and performance benefits :
 
By comparison of the other HDPE fittings, HDPE electrofusion fittings repute more benefits:
* Fast assemble & disassemble, Simple installation: No welding, No special tools required, easily assembling & disassembling, those makes PP compression fittings more & more popularly used, especially for irrigation systems.
* lower installation costs & labor costs: HDPE compression fittings is a fittings use a mechanical connection method, fast to install & less install workers will be required.
* Perfect watertight:  The unique design & NBR ” O ”  rings ensure Poly compression fittings a perfect watertight for long time use.
 
 
FAQS


 
*   How to connect the PP compression fittings?
A:  PP compression fittings are very easy to install, which involves the following steps:
• Preparing the pipe, removing the burrs and beveling the edge of pipe. The outer surface of the pipe must be free from imperfections or indentations where the body of the fittings make contact with the pipe
• Unscrewing the blue nut and put it into the pipe followed by the white clamping ring. Make sure the clamping ring is in the correct position, with the larger mouth outwards to the edge of pipe.
• Pressing the pipe axially into the poly compression fittings, until it touch the internal gap of fittings.
• Tightening the ring nuts by hand, and then use the torque wrench provided, till it is tight.
 
* What is the most common cause of leaking of HDPE compression fittings?
A:  It is critical to avoid over-tightening the nut or else the integrity of the  poly  compression fitting will be compromised by the excessive force. If the nut is overtightened the ferrule will deform improperly causing the joint to fail. Indeed, overtightening is the most common cause of leaks in PP compression fittings.
 
* How much burst pressure can Poly compression fitting take?
A: CHINAMFG PP compression fittings are designed for the max.normal pressure 16 bars at 20ºC, and the burst pressure reaches 35 bars.
 
*   Can CHINAMFG HDPE compression fittings exposed under sunshine?
A: Yes, all HDPE pipe compression fittings are UV-resistant, and can be used outdoor.
 
* HDPE CHINAMFG fittings & HDPE compression fittings, which 1 is better?
A:  It is hard to say. HDPE compression fittings are only be possible for small diameter pipe till 110mm, while HDPE CHINAMFG fittings are available for all sizes.
 
By comparison to HDPE CHINAMFG fittings, Poly pipe compression fittings are easy install, less cost, and are especially useful in installations that may require occasional disassembly or partial removal for maintenance etc., since these joints can be broken and remade without affecting the integrity of the joint.
 
The disadvantage is PP compression fittings are not as robust as CHINAMFG fittings.
 
 
Why Choose Us?
 Rich experience on manufacturing HDPE fittings over 20 years , we are an expert in this industry.
  Full product range available , you will always find the right solution here.
 Strong after-sale term supports to provide professional guide for installation.
 By using top quality raw material, with long warranty time on quality.
 Short lead time to satisfy your urgent need request.
 Quick reply for your inquiries within 12 hours.
 OEM service available to support a good sale in customers’ market.

 
Contact Us
If you have any requirements on PP compression fittings, or any question on our fittings, please contact us freely. CHINAMFG has well trained staff who are available to address your needs and provide technical support to all sectors when needed.
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compression coupling

Usability of Compression Couplings for Permanent and Temporary Pipe Connections

Compression couplings are versatile fittings that can be used for both permanent and temporary pipe connections, depending on the specific needs of the application:

Permanent Connections: Compression couplings can be used to create durable and long-lasting connections in plumbing and piping systems. When installed properly and with the appropriate sealing materials, compression couplings can provide reliable and leak-proof connections that are suitable for permanent installations. These couplings are often used in residential, commercial, and industrial plumbing projects where a secure and lasting connection is required.

Temporary Connections: Compression couplings can also be used for temporary connections, especially when the need for reconfiguration or maintenance arises. Their ease of installation and removal makes them convenient for situations where pipes or components need to be temporarily connected and later disconnected. This flexibility is particularly useful in situations where pipes might need to be moved or repositioned for maintenance or adjustments.

It’s important to note that while compression couplings can be used for temporary connections, they are designed to create secure seals that resist leaks. As such, they can be relied upon for both permanent and temporary applications, providing a balance between ease of use and durability.

compression coupling

Handling Thermal Expansion and Contraction with Compression Couplings

Compression couplings are designed to accommodate thermal expansion and contraction in pipes, which can occur due to temperature changes. Here’s how they handle these changes:

When pipes are exposed to higher temperatures, they expand in length. Compression couplings feature a flexible design that allows them to adjust their length to match the expansion of the pipes. The coupling’s compressible components, such as the rubber or elastomeric sealing elements, can deform slightly to absorb the increased length of the pipe without causing stress or distortion.

Conversely, when pipes are subjected to lower temperatures, they contract in length. The flexible nature of compression couplings allows them to contract along with the pipes, preventing any undue stress or pressure on the pipe connections. The compressible elements within the coupling can adjust to the reduced length of the pipe, ensuring a tight and secure seal.

This ability to accommodate thermal expansion and contraction is crucial in preventing damage to the pipes, coupling, and the overall plumbing system. Compression couplings provide a reliable and effective solution for maintaining the integrity of the pipes and connections while withstanding temperature fluctuations.

compression coupling

Compression Couplings in Plumbing and Piping Systems

A compression coupling is a type of coupling used in plumbing and piping systems to connect two pipes or tubing sections together. It is commonly employed for joining pipes of the same or different materials and sizes. The compression coupling consists of several components:

  • Outer Sleeve: This cylindrical component provides structural support and stability to the coupling.
  • Inner Sleeve: The inner sleeve is inserted over the end of the pipe and serves as the sealing element.
  • Nut: The nut is threaded onto the outer sleeve and compresses the inner sleeve against the pipe, creating a watertight seal.
  • Compression Ring: Also known as the compression ferrule, this component sits between the inner sleeve and the nut, ensuring proper compression and sealing.

The compression coupling is used in plumbing and piping systems for various purposes:

  • Leak Repair: Compression couplings can quickly repair leaking pipes without the need for soldering or welding.
  • Joining Different Pipes: They allow for the connection of pipes made from different materials, such as copper, PVC, or PEX.
  • Temporary Connections: Compression couplings are sometimes used for temporary connections or repairs.
  • Flexibility: They provide some flexibility to accommodate minor misalignments or movement.

Compression couplings are a convenient solution for various plumbing and piping applications, making them a commonly used component in residential, commercial, and industrial settings.

China Standard Factory Price PP Compression Water Supply and Irrigation Pipe Fittings Plastic Elbow PP Reducing Coupling  China Standard Factory Price PP Compression Water Supply and Irrigation Pipe Fittings Plastic Elbow PP Reducing Coupling
editor by CX 2024-01-23

China best PP PE Pipe Fitting Names and Parts PP PE Compression Fittings Reducing Coupling Made in Cina

Product Description

PP PE Pipe Fitting Names and Parts PP PE Compression Fittings Reducing Coupling Made in CHina

Specification

Item Pipe Fittings
Model PP – Pipe Fittings
Material PVC-U, PPR,CPVC ,PP
Size 1/2″~4″ 20-110mm
Color White and gray for PVC,green ,grey, white and blue for PPR
Standard ASTM D2466, ASTM D2665 , BS4346, NBR5648, DIN8078 / 8077
Machines Injection machines
Technics Casting
Property Connector
Working Place PVC -15°-55°,PPR-20°-90°,CPVC -20°-1
 

compression coupling

Handling Different Pipe Sizes and Pressure Ratings with Compression Couplings

Compression couplings are designed to accommodate a range of pipe sizes and pressure ratings, providing versatility and flexibility in plumbing applications. Here’s how they handle different sizes and pressure ratings:

  • Pipe Sizes: Compression couplings are available in various sizes to fit different pipe diameters. They can be used to connect pipes of the same size or pipes with different diameters, making them suitable for joining various plumbing components.
  • Pressure Ratings: Compression couplings are manufactured to meet specific pressure ratings. The pressure rating indicates the maximum pressure the coupling can handle without compromising its integrity. When selecting a compression coupling, it’s important to choose one with a pressure rating that matches or exceeds the maximum pressure expected in the plumbing system.

Compression couplings are commonly used in residential, commercial, and industrial plumbing systems, where they provide reliable connections while accommodating different pipe sizes and pressure requirements.

compression coupling

Diagnosing and Troubleshooting Compression Coupling Issues in Plumbing Systems

Diagnosing and troubleshooting issues with compression couplings in plumbing systems requires careful observation and systematic investigation. Here’s a step-by-step approach:

  1. Visual Inspection: Check for visible signs of leaks, corrosion, or misalignment around the compression coupling. Look for water stains, dampness, or discoloration.
  2. Inspect Sealing Elements: Examine the O-rings, gaskets, or seals for wear, damage, or deformation. Replace them if they appear worn or compromised.
  3. Tightness Check: Ensure that the compression coupling is properly tightened. Over-tightening can damage the components, while under-tightening can lead to leaks.
  4. Pipe Alignment: Confirm that the pipes are properly aligned and inserted into the coupling. Misaligned pipes can lead to leaks and improper sealing.
  5. Pressure Testing: Conduct a pressure test on the system to detect leaks or weak points. Increase the pressure gradually and observe for any pressure drops or signs of leakage.
  6. Use of Lubricants: Apply appropriate lubricants to the sealing elements to ensure smooth installation and proper sealing.
  7. Temperature and Chemical Compatibility: Ensure that the materials used in the compression coupling are compatible with the temperature and chemicals present in the plumbing system.

If issues are detected, address them promptly. Replace damaged sealing elements, re-align pipes if necessary, and ensure proper tightening. If leaks persist, consider consulting a professional plumber to assess the situation and provide expert guidance.

compression coupling

Installation Process of a Compression Coupling in Plumbing Systems

The installation of a compression coupling in plumbing systems involves the following steps:

  1. Prepare the Pipes: Cut the pipes to the desired lengths and ensure that the ends are clean and free from debris or burrs.
  2. Slide on Compression Nut and Ferrule: Slide the compression nut onto one of the pipes, followed by the compression ferrule.
  3. Insert the Coupling: Insert the other pipe end into the coupling body until it reaches the desired depth.
  4. Tighten the Nut: Slide the compression nut and ferrule over the other pipe end and thread the nut onto the coupling body. Hand-tighten the nut initially.
  5. Use Wrenches: Use two wrenches—one to hold the coupling body steady and another to tighten the compression nut. Make sure not to overtighten to avoid damaging the coupling or pipes.
  6. Check for Leaks: Turn on the water supply and check for any leaks around the coupling. If there are no leaks, the installation is successful.

Compression couplings provide a convenient and effective way to join pipes without the need for soldering or welding. Proper installation ensures a secure and leak-resistant connection in plumbing systems.

China best PP PE Pipe Fitting Names and Parts PP PE Compression Fittings Reducing Coupling Made in Cina  China best PP PE Pipe Fitting Names and Parts PP PE Compression Fittings Reducing Coupling Made in Cina
editor by CX 2023-11-29