Size : 11⁄2” to 40” Body : CI/ SS 316/ SS 317L Knife Plate : SS 304/ SS 316/ SS 317L Yoke : Carbon Steel/ SS 304 Stem : SS 316 or SS 304 Packing Flange : SS 304 Seat : Resilient/ Metal to Metal Stem Nut : SS 304 Self Locking Gland Packing : Graphite and PTFE impregnated Synthetic yorn Hydraulic Test Pressure : Body: at 5 Kg/cm2, Seat: 2.8 kg/cm2 Pneumatic Cylinder Details Barrel : Stainless Steel End covers : Graded Cast Iron Piston : S. G. Iron/ CI Piston Rod : Stainless steel Seals : Nitrile Working Pressure : 4 to 12 bar Operating Pressure : upto 85°C