... pressure of 31.5MPa, the nominal diameter 32mm external threaded connection with the takeover and nut ball valve, the model YJZQ-J32W ... (with take over the nut) (4) The nominal pressure of 31.5MPa, nominal diameter 10 mm, connection plate, screw ... type ball valve, the model YJZQ-J10B (with screws) YJZQ type high-pressure ball ...