FIG 0230 Bronze Gate Valve (Non-Rising Stem) CLASS 300 CONFORM TO : USA MSS SP-80 Parts and materials list Part Material Body Cast Bronze (B61) Bonnet Cast Bronze (B61) Disc Cast Bronze (B61) Stem B584-C875 Packing nut Brass(1/4~1-1/4) Cast Bronze (1-1/2~2) Fixing nut Brass(1/4~1-1/4) Cast Bronze (1-1/2~2) Connecting nut Cast Bronze (B61) Gland Brass Packing Graphite Handwheel Aluminum Dimension Unit : mm   1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2 Size 8 10 15 20 25 32 40 50 L 54 55.6 60.3 69.8 81 93.6 104.8 127 H 102 102 127 140 164 184 203 229 D 44.5 44.5 66.7 66.7 88.9 88.9 101.6 120.7 * Use b61 casting copper alloy suitable for steam    engine boiler. * Union type assembly effects an easier repair    and parts replacement. Working pressure marking = 300psi Water, Oil, Air under 120oC = 30kgf/cm2 Saturated steam=20kgf/cm2 Hydrostatic test pressure Shell = 105kgf/cm2 Seat = 70kgf/cm2   FIG 0234 Bronze Gate Valve (Rising Stem) CLASS 300 CONFORM TO : USA MSS SP-80 Parts and materials list Part Material Body Cast Bronze (B61) Bonnet Cast Bronze (B61) Disc Cast Bronze (B61) Stem B584-C875 Packing nut Brass(1/4~1-1/4) Cast Bronze (1-1/2~2) Connecting nut Cast Bronze (B61) Gland Brass Packing Graphite Handwheel Aluminum Dimension Unit : mm   1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2 Size 8 10 15 20 25 32 40 50 L 54 55.6 60.3 69.8 81 93.6 104.8 127 H 114 114 143 156 186 213 237 279 D 44.5 44.5 63.5 66.7 89 89 101.6 120.7 Working pressure marking = 300psi Water, Oil, Air under 120oC = 30kgf/cm2 Saturated steam=20kgf/cm2 Hydrostatic test pressure Shell = 105kgf/cm2 Seat = 70kgf/cm2

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