Asten Controls LLP

Dual Plate Check Valve – Compact, Energy-Efficient Non-Return Valve

The Dual Plate Check Valve is a compact, lightweight, and energy-efficient non-return valve designed to prevent reverse flow in pipelines. Featuring a dual-spring-loaded disc mechanism, it provides fast shut-off, reduced water hammer, and minimal pressure drop. Its wafer-type design fits snugly between flanges, making it ideal for installations with space and weight constraints.

Manufactured using durable materials like Cast Steel, Ductile Iron, SS304, SS316, and Bronze, our valve offers corrosion resistance, long service life, and tight sealing in both vertical and horizontal pipelines. This valve is widely used in water, steam, oil, gas, chemical, and HVAC systems.

• ✔️ Design Type: Wafer Type Dual Plate Spring-Loaded Check Valve

• ✔️ Construction Standards: API 594 / ASME B16.34 / DIN / IS

• ✔️ Materials Available: Cast Iron, WCB, CF8, CF8M (SS 304/316), Bronze

• ✔️ Disc Type: Dual Hinged Plates with Torsion Spring Mechanism

• ✔️ Size Range: 2” to 24” (DN50 to DN600)

• ✔️ Pressure Ratings: PN10 / PN16 / PN25 / ANSI 150 / 300

• ✔️ End Connection: Wafer (fits between ANSI/DIN/BS flanges)

• ✔️ Sealing Options: Metal-to-Metal / NBR / EPDM / Viton / PTFE

• ✔️ Installation: Suitable for both horizontal and vertical mounting

• ✔️ Low Pressure Drop: Compact design for efficient flow

• Working Pressure: Up to 40 bar

• Temperature Range: -20°C to 250°C (depending on seat material)

• Testing: 100% hydrostatic and leak tested as per API 598

• Coating: Epoxy / FBE / Heat Resistant Coating (optional)

• Opening Pressure: Low cracking pressure ensures smooth startup

• Face-to-Face Dimensions: As per API 594

• Water & Wastewater Treatment Plants

• HVAC & Fire Protection Systems

• Power Plants & Boiler Systems

• Oil & Gas Pipelines

• Marine & Offshore Installations

• Chemical & Petrochemical Plants

• Compressed Air & Utility Lines

• Stainless steel internals for corrosive media

• Non-slam design for high-pressure systems

• Exotic materials (Hastelloy, Duplex) for chemical applications

• NACE-compliant valves for sour service

• Lifting hooks and tapped holes for ease of maintenance