Flat gate valve is a kind of closed for the parallel slide valve of the gate. Close it a can be a single ram or a meantime double ram with open institution. Gate to the seat of the clamp force is by action with floating gate or floating seat of medium pressure to control. If it is double ram plate gate valve, the two gate see open institution can supplement the clamping force. One, flat gate valve features 1, seat O ring seals and pre-tightening force of the floating seat structure, make the seal of flat gate valve import and export; And the structure of the open-close torque is only 1/2 of ordinary valves, can achieve easily open and close the valve; 2, when fully open, smooth channel for the straight line, small flow resistance coefficient, no pressure loss, can connect the bulb pipe cleaning; 3, USES the packing structure with the sealing ability, without constant adjustment, features very light open and close, and the sealing is reliable, an auxiliary sealing grease injection structure is set in the packing, the sealing performance absolutely reliable and truly achieve zero leakage; Solved the packing place of universal valves to be easiest leak outward ills; 4, flat gate valve is closed automatically removing the inner cavity and pressure, ensure the safety of using; 5, fully closed structure, protective performance is good, can adapt to all requirements. Second, flat gate valve for 1. （ Class150 ~ 900 / PN1。 0 ~ 16. 0 mpa, the working temperature 29~121℃） Oil and gas pipeline. Flat gate valve with flow guide hole is also easy to clean pipeline. 2. Product oil pipeline and storage equipment. 3. The extraction of oil, natural gas wellhead, Christmas tree with a Industrial Valves. 4. With suspended particles of medium pipeline. 5. City gas pipeline. 6. Tap water project.
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