Dual Plate Check Valves

The dual plate disc check valve is also is well known by its other names such as non-return valve or retainerless check valves. This valve is used mainly to avoid the return flow of liquids. This allows medium flow in a single direction.

Using a very sophisticated and articulate methodology, this valve works on an automatic mechanism. Dual plate swing check valves have a cylindrical body which helps in equal distribution of stress in comparison to other valves.

Additionally, this cylindrical is also able to withstand weight due to the double valve design. Being one of the best dual plate check valve supplier, Crown Oil houses the best brands.

Double Plate Check Valve Specifications

Size Range: 2″ – 60″
Pressure Class: ASME 150 – 2500
Design Standards: API 594, API 6D & API 6A/ ASME: B16.34

Features

Wafer, Lug & Flange Type
Retainerless Design
Low Checking Pressure

Non-Slamming
Fire safe by Design

Advantages of Dual Plate Check Valves

There are a number of advantages associated with the use of dual plate wafer check valve.

Retainerless body: This essentially means that there is no penetration through the body of the valve.
Light in weight: As compared to conventional swing check valves, dual plate wafer check valve is very light.
Fire-safe design
Self-Seating Design: This helps to reduce dragging at the seat surfaces and also leads to consistent sealing.
Disc damage is prevented with the stopper pins that do not allow the discs to come in contact with one another.
Rubber-lined valves help to avoid corrosion

Typical applications of dual plate swing check valve include:

Water applications: Boiler feed water, water supply systems and for making potable water
Oil and Gas applications: Cryogenic, Offshore systems, lubricating oil production
Chemical applications: Pharmaceuticals, paper and cement factories, copper and zinc factories

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