... use of user-configurable, and also can be fully serviced by my factory, but must be ordered ... the nominal diameter 20mm, metric threaded connection type ball valve, the model YJZQ-J20N (2) Nominal pressure ... of 31.5MPa, the nominal diameter 15mm, the ball valve within the interface inch pipe thread, the ... external threaded connection with the takeover and nut ball valve, the model YJZQ-J32W (with take ...