Instrument Types Stainless Steel fittings
1.Press up to 3000psig for standard stainless steel body
2.Temperature for PTFE packing from -65°F to 450°F (-54°C to 232°C)
Temperature for Grafoil packing from -65°F to 1200°F (-54°C to 649°C)
3.Packing below stem thread isolates the thread lubricant from the media
4.Back seating design protects the packing in fully open position
5.Non-rotating stem tip
6.100% factory tested
1.Available in size: 1/4″ to 2″, and 8mm to 25mm.
2.Working temperature:-325ºF~800ºF (-198ºC~426ºC).
3.Material grades: SS 316, Brass, Special Alloys.
4.Thread:NPT, BSP, BSPT, UNF, ISO, SAE etc.
5.Zero leakage even under tough working conditions.
6.High quality silver plated threads on nuts to ensure no galling on the body threads.
7.Simple to operate and save time and cost because of the usage of elastic seal.
8.Available in wide variety of configurations.
9.It can be reused.
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.
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 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.
editor by CX 2023-10-20