Dual Plate Check Valves (Patent Registered in UK: GB2493038, & Patent Pending for Registration in IPA, USA, Italy, China, European Phase & India)
Harsh Steel has extensive experience in manufacturing of Dual Plate Check Valves which are offered in a Patented “Retainerless” Design, which has subsequently become an industry standard for Dual Plate Check Valves throughout the hydrocarbon, energy and process industries across the world.
Size: 2” up to 56“ (DN 50 up to DN 1400)
Pressure Rating: ASME 150# to 2500#, API 3000PSI to 20000PSI
Materials: Carbon Steels, Austenitic Stainless Steels, Martensitic Steels, Duplex Stainless Steels, Super Duplex Stainless Steels, Nickel-Alloys and CRA Overlays.
Operation: Lever, Gear, Actuator (Pneumatic, Hydraulic, Electro-Hydraulic and Electric Motorised)
Almost all Harsh Steel Dual Plate Check Valve types can be designed in a special version suitable for cryogenic service. In this case, all the materials and technical features are designed to withstand minimum design temperature required by the Customer, down to Cryogenic -196°C. If required by the customer, specific Cryogenic Tests are performed to verify the behaviour of valves sealing capability and emissions etc. vs the ambient.