Size: NPS1/2â-24â Rating: Class150-2500 LB Material: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel End: RF, RTJ Operation: Operation: Manual, Gear, Pneumatic, Electric Design & Manufacture Standard: API6D, ASME16.34, BS5351 Face to Face: ASME B16.10, API6D End Connection: ASME B16.5, ASME B16.25 Test Standard: API6D, API598 3-Way and 4-Way (T, L, Double L) Floating and Trunnion , Full and Reduced Bore Anti-blow out stem,Fire safe design,Anti-Static device Soft Seat and Metal Seat Options