Bolted bonnet, outside screw & yoke,
rising stem, bevelled wedge disc.
Designed to JIS B2031
120°C Non-shock water..............14 kgf/cm
120°C Non-shock water..............10 kgf/cm
Saturated steam.....................7 kgf/cm
Hydrostatic shell test.............21 kgf/cm
Hydrostatic seat test............15,4 kgf/cm