Hydraulic Pressure Gauge, Manometer, Thermometer manufacturer / supplier in China, offering 4" (100mm) Electric Contact Switch Pressure Gauge, 380V, Switch Contact, Alarm Contact, Liquid Filled, Stainless Steel Case, Manometer, Lower Mount, Radial, Yx (N) C Serials, 6", Electric Contact Pressure Gauge, 380V, Switch Contact, Alarm Contact, Liquid Filled, Stainless Steel Case, Manometer, Lower Mount, Yx (N) C Serials, 6", Electric Contact Pressure Gauge, 380V, Switch Contact, Alarm Contact, Liquid Filled, Stainless Steel Case, Manometer, Back Mount and so on.