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 ...

Lift Check Valve,2500LB,WCB Body,DN125,Weld End December 12, 2018 / 0 Comments / in  INDUSTRY SERVED ,  NEWS & EVENTS   / by  stvvalves Lift Check valve,Class 2500 (pressure 200-250 bar) temp 200 degree C, hot water 180bar Both ends butt weld, Size: DN 125, WCB One is the introduction of ANSI B 16.34 and JIS follow the standard of E 101,The temperature and pressure level follow is consistent, in some pipeline there is a kind of exchange relation. In the middle of the valve cover junction valve pressure, has good sealing performance under high temperature and high pressure conditions. There are two kinds of self sealing materials: one is the low carbon steel, the other is a flexible graphite wire clip 316 (net). The sealing surface surfacing cobalt base hard alloy. The processed pure metal layer is larger than 3 mm, with wear-resistant, high temperature resistance and corrosion resistance, abrasion resistance, long service life. The implementatio...