Metal Seated Dual Plate Check Valve | Flowbiz Exports
Metal Seated Dual Plate Check Valve Manufacturer – Flowbiz Exports
Preventing backflow in high-temperature, high-pressure, or abrasive fluid lines demands robust internal construction. Flowbiz Exports Pvt. Ltd. manufactures high-performance Metal Seated Dual Plate Check Valves engineered to deliver non-slam backflow protection where soft rubber or PTFE seats would quickly degrade.
What is a Metal Seated Dual Plate Check Valve?
Unlike traditional single-disc swing check valves, a dual plate check valve utilizes two spring-loaded D-shaped plates hinged on a central pin. When forward flow occurs, the plates fold open; upon flow reversal, torsional springs snap the metal-seated plates closed before full reverse flow develops. The metal-to-metal seating surface ensures exceptional heat and erosion resistance.
Technical Specifications
|
Parameter |
Specification Details |
|
Brand / Manufacturer |
Flowbiz Exports Pvt. Ltd. |
|
Valve Type |
Dual Plate Non-Slam Check Valve (Metal to Metal Seated) |
|
Body Material |
Cast Steel (WCB) / SS304 / SS316 / Duplex Steel / Super Duplex |
|
Disc Material |
SS304 / SS316 / Stellite Faced Hard-faced Alloy Steel |
|
Size Range |
2 inch to 36 inch (50 mm to 900 mm) |
|
Pressure Rating |
Class 150 / 300 / 600 / 900 / 1500 / PN16 / PN40 |
|
End Connections |
Wafer / Lugged / Double Flanged |
|
Seat Design |
Integral Metal Seat / Stellite Hardfaced Metal Seat |
|
Design Standard |
API 594 / BS 1868 |
|
Testing Standard |
API 598 / ISO 5208 |
Key Operational Advantages
- High-Temperature Resilience: Solid metal-to-metal seating tolerates extreme temperatures that destroy standard elastomer seals.
- Non-Slam Spring Closure: Torsional springs close the plates rapidly before liquid column momentum causes severe water hammer.
- Erosion & Corrosion Protection: Hardened Stellite disc and body seat facings extend operational life when handling slurry or particulate-laden media.
- Low Pressure Drop: Split-plate geometry optimizes flow dynamics, reducing line friction and system energy consumption.
Target Applications
- High-Temperature Steam Systems: Power generation plants, boiler feed lines, and thermal fluid lines.
- Refineries & Petrochemicals: High-temperature crude oil processing, catalytic cracking units, and hydrocarbon lines.
- Water Treatment & Slurry Handling: Mining discharge lines, pulp processing, and high-pressure water transmission.
Reliable Supply Chain Across India & Abroad
Flowbiz Exports guarantees rapid delivery and local support through an extensive distribution network across major industrial hubs:
- Gujarat: Key hubs including Ahmedabad (Odhav, Vatva, Naroda, Sanand), Vapi, Bharuch, Dahej, Gandhidham, and Surat (Hazira, Sachin).
- Maharashtra: Major industrial centers such as Mumbai, Pune, Nashik, Nagpur, and Aurangabad.
- International Footprint: Exporting heavy-duty non-return valve solutions to clients across Africa.
