API 6D Swing Check Valve, Bolted Bonnet, WCB, 2 IN, 150 LB

Key Specifications / Features

Model No. : 1841020

Manufacturing API 6D Swing Check Valves with full bore design and bolted bonnet. These valves are API 6D compliant, available in 2 Inch (DN50), Class 150 LB. Constructed from ASTM A216 WCB, they feature lever operation and raised face (RF) flange ends. Ideal for reliable flow control in various industrial applications.


Detail Information

150 LB Swing Check Valve, API 6D, Bolted Bonnet, Lever Operation, 2 Inch, RF, WCB body, Trim 8

Valve Description


1841020 Swing Check Valve
Design Standard: API 6D, API 594, BS 1868
Structure: Bolted Bonnet
Nominal Size: 2 Inch
Nominal Class: 150 LB
Bore Type: Full Bore(API 6D) or Standard Bore(BS 1868, API 594)
End Connection: RF Flanged
Operation: Lever
Body Material: ASTM A216 WCB, ASTM A351 CF8, CF8M, ASTM A352 LCB, 4A, 5A, C95800
Trim Material: ASTM A182 F6A, F304, F316, F51, F53, F55
Face to face: ASME B16.10
Test and inspection: API 598
Key Features: Bolted Bonnet, Full Opening design available, Operation Lever design Available

Product Range


Body material: Carbon Steel, Stainless Steel, Alloy Steel, Al-bronze
Normal diameter: 1/2 - 48 Inch (DN15 - DN1200)
Pressure range: 150 - 2500 LB
End connection: RF, RTJ, BW
Working temperature: -196°C - +450°C
Operation: Not Applicable (Manual or actuated available for special request)

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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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