Setting pressure/压力设置：1.5-2.5-3-6-7-8 bar Max opening pressure/开启压力：Pset (1+15%) Min closing pressure/关闭压力：Pset（1-15%） Body /阀体：P-CuZn40Pb2 Diaphragm/膜：EPDM Obturator seal/密封：EPDM Spring/弹簧：carbon steel C72 Knob/手柄：ABS