Dual Plate Check Valve

Corrosion
Resistant

Leak Tight
Sealing

Automated
Operation

Low Maintenance
Long Life

Alis Valves is a leading Dual Plate Check Valve Manufacturer & Supplier in India, offering premium-quality non-return valves designed to prevent reverse flow in industrial piping systems. Manufactured using Cast Iron (CI), Ductile Iron (DI), Carbon Steel (WCB), Stainless Steel SS304, SS316, Duplex Stainless Steel, and Alloy Steel, our Dual Plate Check Valves provide low pressure drop, quick closing action, excellent sealing, and long service life. These compact wafer-type valves are widely used in Oil & Gas, Chemical, Water Treatment, Fire Fighting, Marine, Power Plants, HVAC, Pharmaceutical, and Process Industries.

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Product Specifications and Overview

Efficient backflow prevention is essential for protecting pumps, compressors, pipelines, and other critical equipment in industrial systems. Alis Valves is a trusted Dual Plate Check Valve Manufacturer & Supplier in India, manufacturing high-performance non-return valves designed for reliable one-way flow control in demanding applications.

Our Dual Plate Check Valves, also known as Double Door Check Valves or Wafer Dual Plate Check Valves, feature two spring-loaded semicircular discs that automatically open with forward flow and close instantly when the flow stops or reverses. This quick-closing mechanism minimizes water hammer, prevents reverse flow, and improves overall system efficiency.

Manufactured from premium-quality Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel SS304, SS316, Duplex Stainless Steel, and Alloy Steel, our valves offer superior mechanical strength, corrosion resistance, and extended service life. Depending on the application, sealing options include Metal Seat, EPDM, NBR, Viton (FKM), PTFE, and High-Temperature Seals.

The compact wafer-type design allows installation between standard pipeline flanges, reducing weight, installation space, and maintenance requirements. Our Dual Plate Check Valves are available in multiple pressure ratings, sizes, and international flange standards to meet various industrial requirements.

As an experienced Dual Plate Check Valve Manufacturer, Alis Valves supplies manual inspection-ready valves that comply with API 594, API 598, EN 12266-1, ANSI, DIN, BS, and JIS standards. Every valve undergoes rigorous hydrostatic and seat leakage testing to ensure dependable performance and leak-free operation.

Our Dual Plate Check Valves are extensively used in Water Supply Systems, Wastewater Treatment Plants, Chemical Processing, Petrochemical Industries, Oil & Gas Pipelines, Fire Protection Systems, Marine Applications, HVAC Systems, Power Generation Plants, Pharmaceutical Manufacturing, Food Processing, Paper Mills, Sugar Plants, and Industrial Automation Systems.

Whether you require standard or customized solutions, Alis Valves delivers high-quality Dual Plate Check Valves with competitive pricing, fast delivery, and comprehensive technical support for customers across India and international markets.

Size Range

2" to 24" (Configuration Dependent)

Pressure Rating

Class 150 / 300 / 600 (Configuration Dependent)

Body Material

WCB / CF8 / CF8M / DI (Application Dependent)

Plate Material

SS304 / SS316 / CF8 / CF8M

Seat Material

Metal / EPDM / NBR / PTFE (Application Dependent)

End Connection

Wafer Type / Lug Type (Design Dependent)

Design Standard

API 594 / ASME B16.34

Testing Standard

API 598 / ISO 5208

Installation

Horizontal / Vertical (Flow Direction Dependent)

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Industries Served

Cement

Engineered valve solutions tailored for critical Cement operating processes.

Chemical

Engineered valve solutions tailored for critical Chemical operating processes.

Data centres

Engineered valve solutions tailored for critical Data centres operating processes.

Fertilizer

Engineered valve solutions tailored for critical Fertilizer operating processes.

Applications

Ammonia

High-performance flow automation engineered for Ammonia operations.

CO₂

High-performance flow automation engineered for CO₂ operations.

Compressed Air

High-performance flow automation engineered for Compressed Air operations.

Cryogenic

High-performance flow automation engineered for Cryogenic operations.

Frequently Ask Questions

Why is a Dual Plate Check Valve preferred over a Swing Check Valve?

A Dual Plate Check Valve is lighter, more compact, and closes faster than a swing check valve. Its spring-assisted design helps reduce water hammer and protects pumps and pipelines from reverse flow.

Which industries commonly use Dual Plate Check Valves?

These valves are widely used in oil & gas, chemical plants, power generation, water treatment, marine systems, fire protection, HVAC, paper mills, and industrial process plants.

Who Is a Dual Plate Check Valve Manufacturer in India?

Alis Valves manufactures and supplies industrial check valves for water treatment, oil & gas, chemical, petrochemical, power generation and general process applications, including dual-plate check-valve solutions.

Can a Dual Plate Check Valve be installed in vertical pipelines?

Yes. Most Dual Plate Check Valves can be installed in both horizontal and vertical pipelines, provided the flow direction matches the arrow marked on the valve body.

Does a Dual Plate Check Valve require regular maintenance?

No. Since it operates automatically without external controls, maintenance requirements are minimal. Regular inspection during scheduled plant shutdowns is generally sufficient.

How Does a Dual Plate Check Valve Help Reduce Water Hammer?

Its spring-assisted plates begin closing as the flow velocity decreases, helping minimize reverse-flow acceleration before complete closure.