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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