ASTM A352 LCB Non-Return Valve, 2-1/2 Inch, 300 LB, API 594
Model Number: 1842040
Key Specifications / Features
Our 2-1/2 inch Dual Plate Check Valve factory in China manufactures valves adhering to API 594 and API 6D standards, using ASTM A352 LCB carbon steel. These Class 300 LB, spring-loaded valves come in wafer and double flanged configurations. The Bosseal dual plate valve features a one-piece design without holes through the body, eliminating external pins that retain the disc/stem and thereby reducing the risk of external leakage. This makes our dual plate check valves an excellent choice for critical service applications where reliability and safety are paramount.
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Detail Information
DN65 Dual Plate Non-Return Valve, API 594, 2-1/2 Inch, Class 300 LB, ASTM A352 LCB Body, Wafer Ends.
Design Standard: API 594, API 6D
Structure: Spring Loaded, Dual Plate
Nominal Size: 2-1/2 Inch, DN65
Nominal Class: 300 LB, PN50
Bore Type: /
End Connection: Wafer, Lug, Double Flanged
Operation: /
Body Material: ASTM A352 LCB, ASTM A890 4A, ASTM A351 CF8, ASTM A216 WCB, ASTM A351 CF8M, ASTM A890 5A, ASTM B148 C95800, Titanium Alloy
Trim Material: ASTM A216 WCB, ASTM A352 LCB, ASTM A351 CF8, CF8M, ASTM A890 4A, 5A, ASTM B148 C95800, Titanium Alloy.
Face to Face: API 594
Test and Inspection: API 598
Applications: Water and Wastewater Treatment, Oil and Gas Industry, Chemical Processing, Power Generation, HVAC Systems, Marine Industry, Fire Protection Systems, Food and Beverage Industry.
Normal Diameter: 1/2 - 48 Inch (DN15 - DN1200)
Pressure Range: 150 - 2500 LB
Working Temperature: -196°C - +450°C
Operation: Not Applicable (Manual or actuated available for special request)
End Connection: Wafer, Lug, Flanged-RF, RTJ
Valve Description
1842040 Dual Plate Check ValveDesign Standard: API 594, API 6D
Structure: Spring Loaded, Dual Plate
Nominal Size: 2-1/2 Inch, DN65
Nominal Class: 300 LB, PN50
Bore Type: /
End Connection: Wafer, Lug, Double Flanged
Operation: /
Body Material: ASTM A352 LCB, ASTM A890 4A, ASTM A351 CF8, ASTM A216 WCB, ASTM A351 CF8M, ASTM A890 5A, ASTM B148 C95800, Titanium Alloy
Trim Material: ASTM A216 WCB, ASTM A352 LCB, ASTM A351 CF8, CF8M, ASTM A890 4A, 5A, ASTM B148 C95800, Titanium Alloy.
Face to Face: API 594
Test and Inspection: API 598
Applications: Water and Wastewater Treatment, Oil and Gas Industry, Chemical Processing, Power Generation, HVAC Systems, Marine Industry, Fire Protection Systems, Food and Beverage Industry.
Product Portfolio
Body Material: Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel, Al-bronze, TitaniumNormal Diameter: 1/2 - 48 Inch (DN15 - DN1200)
Pressure Range: 150 - 2500 LB
Working Temperature: -196°C - +450°C
Operation: Not Applicable (Manual or actuated available for special request)
End Connection: Wafer, Lug, Flanged-RF, RTJ
Key Features
1. Compact Design
The weight is only around 20% of equivalent swing check valve.
Swing Check Valve VS Dual Plate Check Valve
2. 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.
3. Independent Spring
The two plates are actuated by two separate high torsion springs and it ensure a quick closing, lower water hammer effection, longer working life and better sealing performance.
4. Optional Soft and Metal Seat
Metal Seat: STL(CoCr alloy) overlay on body seat, suitable for high temperature.
Soft Seat: Viton, EPDM, NBR, PTFE(not recommend).
Soft Seat: Viton, EPDM, NBR, PTFE(not recommend).
5. Unique Slim Plate Design
The plate size and shape are well designed to have light weight, good flow efficiency, low pressure loss, fast operation and better sealing performance under low pressure.


Supplier Information
Bosseal Valves (Suzhou) Co., Ltd.
Verified Supplier
Suzhou, Jiangsu, China
Est.
Certifications:
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