Model: BSí¬3F Size: 1/4í¦~4í¦ Working Pressure: 1000PSI WOG Temperature Range: -60 to 450ípF End Types: Socket Weld Locking Device Investment casting body and cap Adjustable stem packing Pure Teflon seals and seats Blow-out proof stem 100% leakage testing at seat at 100PSI air pressure under water Hydrostatic test pressure: 1500PSI 1/8"~4"