ggg40 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.

knife gate valve used lost foam casting technology，one step molding,low cost and reliable casting quality. Jinbinvalve apply float retaining ring for cast steel knife gate valve seal, which design ensured bi-directional of the valve. The roller shaped stem ensures that the valve can be operated easily even under the maximum pressure. knife gate valve can be installed in the middle of the pipe or at the end of the pipe. The structure is firm and can be used without reducing the pressure level.