ZFV 300LB Wafer metal seated butterfly valve. Valve shown in photo is DN400 with pressure rate PN16. material body carbon steel and disc material stainless steel + stellite, seat weld stellite, shaft material 17-4 PH, with double flange end, worm gear operator. The sealing ring and seat can be replaced by dismantled from the valve . No need to disassemble the whole valve. This is helpful for rapid on-site maintenance and makes the valve’s service life parallel to that of the pipeline. So that reduce production and equipment maintenance costs directly.Wafer Metal Seated Butterfly Valve in stock
website:http://www.zfvcn.com/metal-seated-but terfly-valve/wafer-metal-seated-butterfly-val ve/
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