Three-valve assembly of industrial type

Product Model: YFDCCH3
Product material: WCB/304/316
Product specification: 1/2NPT
Customized flange
The three-valve assembly consists of a valve body, two stop valves and one balance valve. The operation procedure for putting a differential pressure transmitter into operation: First, open the two drain valves on the differential pressure transmitter, then open the balance valve, and slowly open the two stop valves to expel the air or dirt in the pressure guiding pipe. Close the two drain valves, and then close the balance valve. The transmitter can then be put into operation. The online zero point calibration operation procedure for differential pressure transmitters: First, open the balance valve and close the two stop valves, and then the zero point calibration of the transmitter can be carried out.