Size: 2â-24â Pressure Rating: 600-1500 LB Material: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel End: BW, RF, RTJ Operation: Manual, Pneumatic, Electric Design & Manufacture Standard: BS 1873, ASME16.34 Face to Face: ASME B16.10 End Connection: ASME B16.5, ASME B16.25 Test Standard: API598 Straight pattern body design Outside Screw and Yoke Pressure Seal Rising stem Loose disc, choice of plug or ball Renewable seat ring or Body seat ring Full Port Or Reduced Bore Low emission grate gland packing