API 6D Full Port Check Valves (Piggable) are designed for liquid or gas applications. They prevent back flow and are designed for full opening applications where pigging is required.

Basic Design: BS1868, ASME B16.34, API 6D
Sizes: 2″-30″
Pressures: ANSI 150lb-2500lb
Materials: Cast Carbon / Alloy Steel
Ends: RF, RTJ, BW


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Optional Trim Materials

Optional O Ring Materials

CSA Z245.15 Compliant

Bolted Bonnet
Renewable Seat insert
Full Bore-Piggable
Soft Seated
O-Ring Installed On Clapper
ASME B16.5
ASME B16.47( 26" to 30")
Rated to +350F by The HNBR O-Ring
RTJ Bonnet Gasket for 600-2500 ANSI

Product FAQs

What sizes and ANSI Classes are available?

Sizes come in 2"-30". Available in pressure classes ANSI 150lb to 2500lb

What are the in-stock API trims available?

Please call for current availability. TR5, 12, Soft Seat for API 6D standard stock.

Is DHV on the AML?

Please send us a request to check AML Approval.

Do you offer RP-metal seated and FP-API 6D?


Do you offer piston check valves for pulsating service?

Yes, for liquid and gas service. Process data required for sizing.

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