china knife sluice gate valve
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wafer ductile iron Knife Gate Valve
Non-rising stem knife gate valve have a stem nut on the disc,when turn the stem by hand,the disc will go up and down with the stem nut,this design used where the installation space is limited. We have some large diameter knife sluice gate valve body in stocked,so we can provide short lead time for our customers. All the flange knife gate valve will tested one by one before shipping,test according to API598 GB/T13927 ext. Body test 1.5*PN,seal test 1.1*PN, if the knife gate valve is bi-directional, then we will test two side of seal.
ductile iron knife gate valve China Knife Sluice Gate Valve wafer Knife Gate Valve Factory ggg40 knife gate valveEmail Details
