Flat gate valve is a kind of sliding valve with parallel gates as closing parts. The closing member can be a single gate or a double gate with a spreading mechanism. The compression force of the gate to the seat is controlled by the medium pressure acting on the floating gate or the floating seat. In the case of double gate flat gate valves, the spreading mechanism between the two gates can supplement this compression force. Gate plate of flat gate valve is divided into two kinds: single gate and double gate. At the same time, the gate can be with and without pilot holes, with pilot holes and the same inner diameter of the valve seat, easy to clean up the pipeline. It can be combined with the valve seat to form inlet end sealing, outlet end sealing, and both import and export end sealing.
Flat Gate Valve Specification
| Size | NPS 2′′～NPS 48′′ DN50～DN1200 |
| Pressure | CLB150～CL2500 PN10～PN420 |
| Temperature | -29~121°C |
| Body Material | carbon steel, stainless steel, alloy steel |
Design Specification
| Design Standards | API 6D, ASME B16.34, GB/T 19627 |
| Structure Length | ASME B16.10, GB/T 12221 |
| Connection Standard | ASME B16.5, GB/T 9113, JB/T 79 |
| Pressure Test | API 6DS, GB/T 13927, GB/T 26480, JB/T 9092 |
| Pressure and Temperature Rating | API 6D, GB/T 26480 |
Flat gate valve
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