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Dual Plate Check Valves

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Dual Plate Check Valves Specification

Connecting Type
Wafer (Sandwiched between flanges)

Application
Pipeline Flow Control, Industrial, Water Supply, Oil & Gas, Power Plants

Sealing
Metal to Metal, Nitrile, EPDM or Viton Seat

Material
Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel

Power
Manual (Non-powered)

Structure
Dual Plate Wafer Type

Pressure
Class 150/300/600 (Up to 42 bar)

Temperature
-10C to 200C (Depending on Material)

Media

Port Size
2 to 24 (DN50 to DN600)

Disc Material
Stainless Steel, Cast Iron, Ductile Iron, Carbon Steel, Alloy Steel

About Dual Plate Check Valves

By offering an excellent quality Dual Plate Check Valves, we have established ourselves as a customer-focused organization having extensive experience in the functional domain. They are widely used in different industrial applications & are ideal to control the flow of water, oil, steam and chemical. These are efficiently manufactured at our well advanced production unit by making use of optimum quality materials. We offer an extensive collection of Dual Plate Check Valves in diverse finishes at marginal prices to our customers.

Dual Plate Check Valves Features:

Sturdy construction
Easy installation
Longer service life

Reliable Flow Control Solution

Dual Plate Check Valves offer robust solutions for preventing backflow in industrial pipelines. Their spring-assisted design guarantees non-slam closure, while materials and coatings enhance durability against corrosion and wear. By ensuring low cracking pressure and zero leakage, these valves help maintain process safety and efficiency across water, oil, gas, steam, and various other applications.

Versatile Installation and Operation

Engineered for flexibility, these check valves suit horizontal or vertical installation, fitting seamlessly with a wide range of flange types. The wafer-style structure makes installation between flanges straightforward, and manual operation allows easy control without external power sources. Their compatibility with multiple international standards simplifies selection for global projects.

FAQs of Dual Plate Check Valves:

Q: How are Dual Plate Check Valves installed in pipeline systems?

A: Dual Plate Check Valves are installed as wafer-type units, sandwiched between flanges in either horizontal or vertical orientations. The installation process is straightforward, facilitated by standard end connections (ANSI, DIN, JIS, BS) that simplify integration into different piping systems.

Q: What materials are available for the valve body and disc, and how does that affect performance?

A: Valve bodies are available in cast iron, ductile iron, carbon steel, or stainless steel, while discs can be stainless steel, cast iron, ductile iron, carbon steel, or alloy steel. Material selection affects corrosion resistance, strength, and suitability for specific media and pressure/temperature ranges.

Q: When should I choose a Dual Plate Check Valve for my application?

A: Dual Plate Check Valves are ideal when backflow prevention and rapid closure are required, especially in pipeline flow control for water supply, oil & gas, power plants, and industrial processes. Their non-slam, spring-assisted plates provide reliable performance with minimal maintenance.

Q: Where are these check valves typically used?

A: They are commonly used in pipelines transporting water, oil, gas, steam, and other fluids. Typical applications include industrial plants, water supply systems, oil & gas infrastructure, and power generation facilities.

Q: What is the process for verifying valve integrity before operation?

A: Each valve undergoes rigorous hydrostatic and pneumatic testing according to API 598 standards, ensuring zero leakage for soft seated designs and reliable operation even under high pressure and temperature conditions.

Q: How does the spring-assisted, non-slam design benefit flow control?

A: Spring-assisted plates enable rapid, cushioned closure, preventing water hammer and reducing stress on pipeline components. This design helps maintain steady flow, increases system longevity, and enhances safety during sudden shutoffs or flow changes.

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