Detailed offer Description OS&Y,Rising Stem Bolted Bonnet Conic Disc Extended Bonnet for Crygenic Sevices Impact Handwheel Optional Gear Optional Design ASME B16.34 Face to Face ASME B16.10 End to End ASME B16.10 End Flang ASME B16.5 BW End ASME B16.25 Test API 598 Special NACE MR STANDARD MATERIALS OF PARTS ITEM PART NAME MATERIAL 1 Body ASTM A216 GR.WCB+Stellite Faced 2 Seat Ring ASTM A105+Stellite Faced 3 Disc ASTM A105+13Cr Faced 4 Disc Thrust Plate ASTM A276 Type 420 5 Disc Nut ASTM A276 Type 410 6 Stem ASTM A182 GR.F6a 7 Bonnet Bolt Nuts ASTM A194 GR.2H 8 Bonnet Bolts ASTM A193 GR.B7 9 Gasket Soft Iron+Graphite 10 Backseat Bushing ASTM A276 Type 410 11 Stem Packing Braided Graphite&Die formed Graphite Ring 12 Bonnet ASTM A216 GR.WCB 13 Eye Bolt Pins Carbon Steel 14 Gland ASTM A276 Type 410 15 Gland Flange ASTM A216 GR.WCB 16 Gland Eye Bolts ASTM A193 B7 17 Eye Bolt Nuts ASTM A194 GR.2H 18 Yoke Bush ASTM A439 GR.D-2 or Copper Alioy 19 Screw Carbon Steel 20 Handwheel Ductile Iron 21 Handwheel Nut ASTM A216 GR.WCB 22 Washer Carbon Stell 23 Yoke ASTM A216 GR.WCB 24 Yoke Pan Bolt Nuts ASTM A194 GR.2H 25 Yoke Pan Bolts ASTM A193 GR.B7 26 Bearing Steel