STAINLESS STEEL Check Valve Group

Price 2500 INR/ Piece

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MOQ : 25 Pieces

STAINLESS STEEL Check Valve Group Specification

Valve Size
DN15 to DN100

Control System
None / Passive

Features
Corrosion-resistant, maintenance-free, high durability

Connection Type
Threaded (BSP/NPT), Flanged, Socket Weld

Material
Stainless Steel 304/316

Valve Type
Check Valve

Sealing
PTFE, Metal to Metal, EPDM, or NBR

Structure
One-piece or two-piece body, swing/flap type

Application
Industrial flow control, pipeline safety, liquid and gas regulation

Type
Swing Check Valve

Power
Manual / Non-powered

Pressure
Up to 63 bar (900 PSI)

Media
Water, Oil, Gas, Steam, Chemicals

Port Size
1/2 inch to 4 inch

Temperature
-20C to 220C

Disc
Stainless Steel, Single/dual plate

Maintenance
Low maintenance required, user friendly

Face to Face
As per industry standards

Operation Pressure Class
Class 150/300/600

Design Standard
ASME B16.34, DIN 3202

Weight
Varies by size: 0.8 kg to 13.8 kg

Working Medium
Suitable for both corrosive and non-corrosive environments

Gasket Material
PTFE, Graphite, or Asbestos-free

Leakage Class
API 598 or equivalent

Body Finish
Precision-machined, shot blasted, or mirror finish

End Connection
Screwed/Threaded or Flanged as per DIN/ANSI/JIS standards

Spring Material (if applicable)
Stainless Steel

STAINLESS STEEL Check Valve Group Trade Information

Minimum Order Quantity
25 Pieces

Supply Ability
100 Pieces Per Month

Delivery Time
1 Week

About STAINLESS STEEL Check Valve Group

Also referred to as a check valve, the Nrv Valve is a kind of fitting that permits fluid to flow through it in only one direction. Various types of Ss316 Non Return Valve is used in a wide variety of applications. SS 304 Non Return Valve is frequently a part of common household items.

Reliable Performance in Demanding Applications

Our stainless steel check valves are designed to handle a wide range of media, such as water, oil, gas, steam, and chemicals. Working in temperature ranges from -20C to 220C and pressure classes up to 63 bar, these valves ensure robust performance and safety. Their corrosion-resistant construction and diverse end connections make them suitable for use in harsh industrial environments, enhancing pipeline safety and efficiency.

Superior Durability and Minimal Maintenance

With a choice of polished or mirror finishes and quality gaskets like PTFE or graphite, these valves promise long-term durability and resistance to wear. Their user-friendly installation and passive control system result in minimal maintenance requirements. Designed to comply with ASME B16.34 and DIN 3202 standards, each check valve undergoes leak testing (API 598 or equivalent) to assure tight sealing and longevity.

FAQs of STAINLESS STEEL Check Valve Group:

Q: How do I select the appropriate end connection type for my application?

A: Choose the end connectionscrewed/threaded (BSP/NPT), flanged, or socket weldbased on your pipelines compatibility, installation needs, and applicable standards (DIN/ANSI/JIS). Flanged options are well-suited for high-pressure and frequent maintenance situations, while threaded connections are ideal for compact and lower-pressure setups.

Q: What maintenance is needed for stainless steel check valves?

A: These check valves require very little maintenance due to their stainless steel construction and high-quality internal components. Periodic inspection for debris, checking for leaks, and ensuring the sealing elements (PTFE, EPDM, NBR, or metal-to-metal) are intact is recommended. Routine cleaning and functional tests can further extend their service life.

Q: When should I use a swing check valve versus a dual plate type?

A: Swing check valves are optimal for applications with a low-velocity flow or larger port sizes (up to 4 inches), ensuring minimal flow resistance. Dual plate check valves are preferable in systems that require a compact design or faster closing action to prevent water hammer, especially suited for liquid and gas media.

Q: Where are these stainless steel check valves typically installed?

A: These valves are commonly installed in industrial piping systems such as chemical processing, water treatment, oil and gas pipelines, and steam lines. Their corrosion resistance and broad material compatibility make them suitable for both indoor and outdoor environments.

Q: What benefits do precision-machined or mirror-finished bodies provide?

A: A precision-machined or mirror-finished valve body reduces the likelihood of buildup, facilitates smoother flow, and enhances corrosion resistance. This results in extended valve lifespan, improved hygienic performance, and reduced maintenance frequency.

Q: How does the valve ensure safety and prevent backflow?

A: The check valves robust internal disc or swing/flap mechanism allows fluid to flow in one direction while automatically closing if flow reverses, thus preventing backflow and potential pipeline damage. Compliance with standards like API 598 assures leak-tight operation and system protection.

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