Key Specifications / Features

Model no. : 1842081

We are a leading factory specializing in ASTM A890 4A check valves, featuring a dual plate design for superior performance. Our 2-inch (DN50) valves meet Class 900 LB standards and comply with API 594 and API 6D specifications. Crafted from duplex stainless steel, these valves are equipped with double flanged ends for robust and secure connections. The one-piece body design eliminates external pins and holes, minimizing potential leakage points and enhancing reliability. Ideal for critical service applications, our check valves offer exceptional durability and performance. Trust our precision-engineered solutions for dependable, leak-free operation in your demanding industrial environments.


Detail Information

Duplex Stainless Steel Dual Plate Check Valve, API 594, ASTM A890 4A, 2 Inch, 900 LB, Double Flanged Ends.

Valve Specification

1842081 Dual Plate Check Valve
Design Standard: API 594, API 6D
Structure: Spring Loaded, Dual Plate
Key Features: Compact Design, Independent Spring, Optional Soft and Metal Seat, Unique Slim Plate Design.
Nominal Size: 2 Inch, DN50
Nominal Class: ANSI 900 LB
Body Material: ASTM A890 4A, ASTM A351 CF8M, Titanium Alloy, ASTM B148 C95800, ASTM A890 5A, ASTM A216 WCB, ASTM A352 LCB, ASTM A351 CF8
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 Catalog

Valve Types: Dual Plate Check Valve, Single Plate Wafer Check Valve, Thin Type WAFER Check Valve, Lifting Wafer Check Valve.
Body Material: Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel, Aluminum bronze, Titanium
Normal Diameter: 1/2 - 48 Inch (DN15 - DN1200)
Pressure Range: CL 150 - 2500 LB
Working Temperature: -196°C - +450°C
Operation: Not Applicable (Manual or actuated available for special request)
Seat Type: Soft Seat, Metal Seat
End Connection: Wafer, Lug, Flanged-RF, RTJ


Retainerless Body
Bosseal dual plate valve is one-piece design without hole through the body, there is no external pins to retain the disc/stem, so that no external leakage point, it’s a good choice for critical service.


Retainerless Body


Retainerless Design

 

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About Us
Founded in 2013, Bosseal Valve is a professional valve manufacturing company in Suzhou, China. We mainly supply Industrial Ball Valves, Gate Valves, Globe Valves, Check Valves, Butterfly Valves, Plug VaIves, and Strainers designed and manufactured according to API, ASME, ISO, DIN, BS, EN standards.
 
Our Contacts
Building 2, NO.59, Songshan Road, SND, Suzhou, China