Complies to API 609

Sizes: 50 mm (2″) to 600 mm (24″)

Type: Models 91 & 91L

Rating: Class 150, 300

Materials: WCB, CF8, CF8M, CF3, CF3M, CD4MCu, CN7M etc

Seats: PTFE, reinforced PTFE, even metallic

Ends: Wafer and lugged

Specials: Fire safe test requirements of API 607