Product description:

GB wedge gate valve for nominal pressure PN1.6 ~ 16MPa, operating temperature -29 ~ 350 ℃ in petroleum, chemical, pharmaceutical, fertilizer, power industry and other conditions of the pipeline, cut off or connect the pipeline medium. GB bellows gate valve structure is reasonable, reliable sealing, excellent performance, handsome in appearance; sealing surface surfacing Co-based hard alloy, wear resistance, corrosion resistance, good friction performance, long service life; GB Bellows valve stem conditioning and Surface nitriding, corrosion resistance and good anti-friction performance; double seal, more reliable performance; stem lift position instructions more intuitive.