Product Introduction
Available special alloy check valves are including swing check valves, life check valves and dual plate check valves in a range of sizes and a variety of materials to meet the demands from customers in various applications and operating conditions.

Technical Specification
Design Standard: API594, MSS SP80 / BS 5154
Size Range: 2"-42" (DN15-DN1500)
Pressure Rating: ASME Class 150-1500 (PN16-PN50)
Materials: Bronze, Gunmetal, Monel, Duplex & Super Duplex Stainless Steels, Hastelloy, Inconel, Titanium & Composites, Nickel Aluminum Bronze, Alloy 400, Bronze ASTM B62, Bronze ASTM B61, Phosphor Bronze, Titanium, Alloy 20, Alloy 625, 6Mo Stainless Steel, Duplex Stainless Steel, Alloy 825, Zirconium, etc.

Life Check Valves
End Connections: Screwed Female or Socket Weld / Flanged ASME B16.5 (Flat or Raised Face)
Configurations: Bolted / Union Bonnet, Integral Seat, Plug Check Disc
Options: Painting, Tagging / Marking, Spring Loaded

Swing Check Valves
End Connections: Flanged, Screwed Female or Socket Weld
Configurations: Bolted / Union Bonnet, Renewable / Integral Seat, Swing Check Disc
Options: Painting, Tagging / Marking

Dual Plate Check Valves
End Connections: Wafer, Wafer Lugged, double Flanged
Configurations: Integral Seat, Renewable Seat.
Options: Painting, Tagging / Marking
NDE options: Radiography, Dye Penetrant, Ultrasonic, PMI (Positive Material Identification)

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Delivery, Payment and Service
Payment Terms: Normally 30% down payment before production, 70% balance before delivery.
Warranty: 12 months after installation or 18 months after shipment whichever comes first.
Delivery time: Subject to stock availability at placement or order and factory workloads.
Delivery method: By Express, or by air, or by sea, as your request.
Delivery port: Shanghai or as your request.