API 594 Dual Check Valve, 48 Inch, 150 LB, ASTM A890 4A

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API 594 Dual Check Valve, 48 Inch, 150 LB, ASTM A890 4A

Key Specifications / Features

Model No. : 1842038
As a leading API 594 Dual Plate Check Valve manufacturer in China, we offer non-return valves up to 48 inches, Class 150 LB, made from ASTM A890 4A duplex stainless steel with wafer or flanged ends. Our dual plate check valves are spring-loaded, one-way valves designed to prevent backflow in pipelines. Featuring a one-piece body, a central pin, and two spring-loaded plates, these valves allow fluid to pass in the flow direction while blocking reverse flow. Compared to conventional swing check valves, our dual plate design significantly reduces weight and length, offering cost and space savings for your piping system.

Detail Information

API 594 Dual Plate Check Valve, 48 Inch, CL 150 LB, ASTM A890 4A Body, Wafer.

Valve Description

1842038 Dual Plate Check Valve
Design Standard: API 594
Structure: Spring Loaded, Dual Plate
Key Features: Compact Design, Independent Spring, Optional Soft and Metal Seat, Unique Slim Plate Design.
Nominal Size: 48 Inch
Nominal Class: Class 150 LB
Body Material: ASTM A890 4A, ASTM A351 CF8, ASTM A216 WCB, ASTM A352 LCB, ASTM A351 CF8M, ASTM A890 5A, ASTM B148 C95800, Titanium Alloy.
Bore Type: /
End Connection: Wafer, Lug, Double Flanged
Operation: /
Trim Material: ASTM A216 WCB, ASTM A352 LCB, ASTM A351 CF8, ASTM A351 CF8M, ASTM A890 4A, ASTM A890 5A, ASTM B148 C95800, Titanium Alloy.
Face to Face: API 594
Test and Inspection: API 598
 

Product Range

Body Material: Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel, Al-bronze, Titanium
Normal Diameter: 1/2 - 48 Inch (DN15 - DN1200)
Pressure Range: Class 150 - 2500 LB
End Connection: Wafer, Lug, Flanged-RF, RTJ
Working Temperature: -196°C - +450°C
Operation: Not Applicable (Manual or actuated available for special request)


 
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About Us

Founded in 2013, Bosseal is a professional industrial valve manufacturer based in Suzhou, China. We specialize in the design and production of Ball Valves, Gate Valves, Globe Valves, Check Valves, Butterfly Valves, Plug Valves, and Piping Strainers. All our products are manufactured in strict compliance with international standards, including API, ASME, ISO, DIN, BS, and EN. With a strong focus on quality control and engineering capability, we are committed to providing reliable and high-performance valve solutions for global industrial applications.

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