GATE VALVE AS6100 GB/T465-1995
GATE VALVE AS6100 GB/T465-1995, AS TYPE, DN100 CAST
IRON, PN 6 BAR, FACE TO FACE L 229, FLANGE DIAM. (D 210
PCD 170 N 4 DO 18), THIKNE
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A gate valve is a control valve that either allows media to flow through unobstructed or stops the fluid flow. The main advantage of a gate valve is the straight-through unobstructed passageway, which induces minimal pressure loss over the valve. The unobstructed bore of a gate valve also allows for a pig's passage in cleaning pipe procedures, unlike butterfly valves. However, gate valves are slower than quarter-turn valves and should only be used in the fully open or closed position, not to regulate the flow. Automated gate valves exist with either an electric or pneumatic actuator, but a manual gate valve is cost-effective since gate valves are typically used infrequently. Gate valves are also commonly referred to as sluice gate valves.