API 594 Regular Port Check Valves (Not Piggable) are for liquid or gas applications. This design prevents back flow and are NOT full opening which does not allow for pigging applications.
Basic Design: BS1868, ASME B16.34, API 594
Pressures: ANSI 150lb-2500lb
Materials: Cast Carbon / Alloy Steel
Ends: RF, RTJ, BW
Renewable Seat Insert Cryogenic
Pressure Seal Bonnet
RF, RTJ or BW
All API Trims Available
Rated up to +800F
Tested to API 598
NACE MRO 175
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?