... .4 MPa, 16 MPa, 32 MPa 3 valve manifoldTechnical parametersWorking pressure: 6.4 MPa, 16 MPa, 32 MPaWorking medium: gas, ... install, first the two ellipse oval flange on positive-negative pressure measuring container of transmitter would be take off, then take three ... diameter of valve: connect to side of instrument positive-negative pressure container 4-φ12Outline dimension (unit: mm) 304 or 316 ...