Resilient Seated Gate Valve with by-pass 

Gate valve Flate base A basin-wide and straight-through design with the concave cavity of no flowing stagnation is applied at the bottom of the soft sealing gate valve in the company so as to guarantee the smooth of the fluid body without secondarily polluting the media. Full-coated flashboard The flashboard uses Ductile Iron QT500-7 skeleton overall coated by rubber of high performance. The mature technology and advanced workmanship of vulcanization completely isolates the iron core from the fluid body. The coating is tight and reliable and the bonding strength complies with the standard of DVGW. Even if suffering of frequently extruding pressure, the rubber will not drop off. The structure of two-body type between the stem and the flashboard insures enough degrees of freedom. There is great flexibility of unlocking and closing without any obstruction.   Reliable upper seal The up…