Valve description:
Dual-plate check valve, lug type, retainerless style
Design: API 594
Body: ASTM A216 WCB
Body seat: Stellite
Disc: ASTM A351 CF8M + stellite
Spring: INCONEL X750
Nominal size: 10 Inch
Nominal class: 1500 LB
Connection ends: RTJ flanged ends as per ASME B16.5
Face to face: as per API 594 = 248 MM
Test and inspection: API 598