Metflow Engineers

Dual Plate Check Valves Dual Plate Check Valves

Dual Plate Check Valve Manufacturer & Supplier in India

Metflow Engineers is an authoritative dual plate check valve manufacturer, engineering highly compact, spring-loaded non-return valves (NRVs) built for severe industrial pipeline safety. By splitting a cylindrical valve disc into two semi-circular plates held on a central hinge pin, our dual plate designs close automatically via spring recoil before any flow reversal can occur. This rapid closing mechanism effectively eliminates water hammer and reverse pressure surges across pump discharge systems.

Features:

Technical Specifications & Engineering Standards

Business Type
Manufacturer, Exporter, Supplier
Country of Origin
India
Size Range Compatibility
2" to 24" (DN50 to DN600)
Body & Plate Metallurgy
Cast Iron, Ductile Iron, Cast Carbon Steel (WCB), Stainless Steel (CF8 / CF8M)
Spring & Hinge Material
Heavy-Duty Stainless Steel (SS316 / Inconel-X750)
Seat Configuration
Integral Metal Seating, EPDM, Nitrile (NBR), Viton, or PTFE (Teflon) Lap
Application
Water Fitting
Pressure Ratings Scale
ASME Class 150, Class 300, Class 600 | PN10, PN16, PN25, PN40
Design & Testing Codes
API 594 (Design), API 598 (Pressure Testing & Inspection)
Size
2
ASME Class
150# -600#

Key Performance Advantages

Slam-Free Spring Closure

The integrated torsion springs force the dual plates to shut the instant forward fluid velocities drop to zero, sealing the line completely before fluid can rush backward to create catastrophic pipe shocks.

Low Pressure Drop Geometry

Our contoured independent plates feature optimized cross-sections that clear the main flow channel efficiently under running pressure, ensuring maximum Cv ratings and minimum delta-P restrictions.

Lightweight & Space Saving

Featuring a short flangeless face-to-face wafer profile, our dual plate check valves are roughly 80% lighter and significantly thinner than standard full-body swing check valves, dropping installation structural support costs.

Eliminate Structural Pipe Stresses

For larger diameters (DN200 and above), each plate operates independently, preventing frictional layout bind and ensuring uniform seal matching across extended service cycles.

Evaluating alternative body profiles or alloy compositions for your utility network lines? Take a look at our technical metrics for specialized SS wafer check valves or return to our core industrial check valves hub section to browse all variants.

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