stvvalves

STV DELIVERY THE WAFER CHECK VALVE,150LB,CF8M,DN300,2PCS July 28, 2019 / 0 Comments / in  INDUSTRY NEWS ,  NEWS & EVENTS   / by  stvvalves VALVE:CHECK;STEEL, 300DIAX180MM L, WAFER TYPE QNSI SER#150 DBL DISC 316+EPDM SEAT APPLICATION: POTABLE WATER MFR: STV CORPORATION OR EQUIVALENT” NOTE: SEAT MATERIAL: TO BE ADVISEDHS:848180409 0 The WAFER check valve refers to a valve that automatically opens and closes the valve flap by means of the flow of the medium itself, and is used to prevent the back flow of the medium, which is also called a check valve, a check valve, a reverse flow valve, and a back pressure valve. The check valve is an automatic valve whose main function is to prevent backflow of the medium, prevent the pump and drive motor from reversing, and discharge the container medium. The check valve can also be used to supply a line in which the pressure may rise to an auxiliary system that exceeds the system pressure. The check valve can be mainly ...

API 602 Lift Check Valve with a Seal bonnet design and conforming to API 602 and ASME B16.34. it refers to the valve that automatically opens and closes the valve flap by means of the flow of the medium itself, and is used to prevent the back flow of the medium. The check valve belongs to an automatic valve, and its main function is to prevent the medium from flowing backward, preventing the pump and driving. The motor is reversed and the container media is vented. The check valve can also be used to supply piping to an auxiliary system where the pressure may rise above the system pressure. The function of this type of valve is to allow only the medium to flow in one direction and to prevent the direction from flowing. Usually, the valve is automatically operated, and the valve flap is opened by the fluid pressure flowing in one direction; when the fluid flows in the opposite direction, the fluid pressure and the self-reclosing valve flap of the valve disc act on the valve seat to ...