Handwheel Nut - Steel Handwheel - SG Iron / Steel Identification Plate - Aluminium (anodised) Yoke Sleeve - ASTM AS82 Type 416 Wedge Disc - ASTM A217 Gr. CAI 5 Body Seat Ring - ASTM A276 Type 410 Body - ASTM A105 Applications - Refinery, Petrochemical, Pharmaceutical, Steel Sectors,Textile Class - 800 We have carved a niche amongst the most dominant names in this domain, instrumental in providing an excellent quality range of Forge Steel Gate Valve. Material of Constructions: Bonnet: ASTM A105 Stem: ASTM A479 type 410 Wedge disc: ASTM A217 Gr. CA15 Stem packing: Graphite moulded rings with braided top/bottom rings Gasket: Spiral-wound SS type 304 with graphite filler Cap screws: ASTM A193 Gr. B7 Gland bush: ASTM A276 type 410 Gland flange: ASTM A105 Gland stud/nut: ASTM A276 type 410/ASTM A194 Gr. 2H Identification plate: Aluminium (anodised)