* Fluid: water - oil- air - steam or water - air * Max Pressure: 700PSI(4.8Mpa) * Working Pressure: :-45~650PSI ,-0.30~4.50Mpa * Rating 0.2÷10 bar (Reinforced Diaphragm) * Fire-Proof Material(Self-Extinguishing) * Special Threads or Connectors * Connections Tin Dioxide Treated * Protection Screw Cover & Calibration Identification * Seal Against Tampering |