Excess Flow Valves

Excess Flow Valves

Product Details:

  • Valve Size Available from 1/2 to 2
  • Valve Type Safety Valve
  • Features Quick Shutoff, Corrosion Resistant, High Sensitivity
  • Material Brass / Stainless Steel
  • Connection Type Threaded (BSP/NPT)
  • Control System Direct Operated
  • Sealing PTFE/Gasket
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Excess Flow Valves Price And Quantity

  • 1 Piece

Excess Flow Valves Product Specifications

  • Safety Valve
  • -20C to 80C
  • PTFE/Gasket
  • 1/2 inch to 2 inch
  • Available from 1/2 to 2
  • Excess Flow Valve
  • Gas, Liquid, Air
  • Direct Operated
  • Gas, Petroleum, Chemical Industries
  • Threaded (BSP/NPT)
  • Manual
  • Quick Shutoff, Corrosion Resistant, High Sensitivity
  • SS or Brass
  • Ball or Piston Type
  • Brass / Stainless Steel
  • Max 300 psi

Excess Flow Valves Trade Information

  • 100 Piece Per Day
  • 1 Week

Product Description

The Excess Flow Valves manufactured and supplied by us are designed to stop when a sudden flow surge occurs. They automatically reset when pressure is restored. Also known as surge preventer, earthquake valve, shutdown valve, they are single line in which pressurized gas or liquid flows in either directions. Every valve has its own closing flow rate based on different conditions. Excess Flow Valves can be used for different types of fluids & processes like butane, nitrogen air, anhydrous ammonia, LP gas, water & various other. Moreover, they are available in a different variety of pressure materials, flange designs as well as end connections as per the customers requirements. 

Product details 

Material

Brass

Size

2inch

Country of Origin

Made in India

Finishing

Polished

Color

Golden

 



High-Sensitivity Safety Solution

Engineered to react with instant shut-off in emergency situations, these excess flow valves maintain strict safety parameters for gas, liquid, and air systems. The corrosion-resistant materials and robust construction make them suitable for use in demanding environments, such as chemical plants or petroleum refineries, ensuring continuous protection and durability.


Versatile Applications and Customization

Designed for installation in both horizontal and vertical pipelines, these valves meet diverse industrial requirements. The shut-off differential is adaptable according to system needs, offering flexibility for specialized solutions. Their range of port sizes and connection types (BSP/NPT) ensures compatibility across various operational setups.

FAQs of Excess Flow Valves:


Q: How do excess flow valves provide safety in industrial applications?

A: Excess flow valves are essential for safety as they instantly shut off media flow when abnormal flow rates are detected, minimizing the risk of leaks or system failures. They are particularly effective for environments handling gases, liquids, or chemicals.

Q: What is the recommended process for installing these valves?

A: Installation is straightforwardthese valves can be mounted either horizontally or vertically using the female threaded end connections. Always ensure the flow direction matches the uni-directional marking, and use appropriate PTFE or gaskets for sealing.

Q: When should the shut-off differential be set or adjusted?

A: The shut-off differential should be configured during installation or system maintenance, tailored to the specific flow requirements of your application. This customization ensures optimal performance and safety according to process demands.

Q: Where are these excess flow valves commonly used?

A: They are frequently installed in gas distribution pipelines, petroleum processing plants, chemical industries, and similar sectors across India where safety and rapid response to flow anomalies are crucial.

Q: What are the benefits of using stainless steel for the spring and disc components?

A: Stainless steel offers excellent resilience, corrosion resistance, and longevity, which enhance the valves sensitivity and reliability even in harsh or corrosive environments.

Q: How does the valve maintain a zero leakage rate?

A: The valves utilize precision sealing materials such as PTFE or gaskets, coupled with a well-engineered ball or piston design, ensuring a tight seal and preventing media leakage during operation.

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