gate valve


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gate valve

n
(Mechanical Engineering) a valve in a pipe or channel having a sliding plate that controls the flow
References in periodicals archive ?
Delta Industrial knife gate valves can guarantee plant operators in difficult process applications, zero leakage, said John Abbott, global product manager for valves for Weir Minerals.
The forged Equiwedge gate valve is an uncompromising solution that utilizes nearly 100 years of valve experience.
Pentair Valves & Controls has supplied its largest ever bolted bonnet flanged wedge gate valves for an integrated petrochemical plant located in the Middle East.
Aerodyne says further that the low-maintenance Slide Gate Valve is available in either manual or pneumatic operation and is offered in carbon steel or stainless steel versions.
The UHP gate valve door is designed to provide OEMs and chip fabricators with an original and/or replacement door option that offers improved abrasion resistance and seal integrity.
Where a gate valve is used for throttling service and is normally in a partially open position, pressure of the flowing water tends to tip the bottom of the gate into the port opening, causing gouging or jamming.
Another way to achieve pressure control is with a throttling gate valve. Instead of having a gate that turns in the bore, these valves use the gate like shutter to restrict gas flow.
Globe and gate valves used with galvanized pipe are threaded.
In the gate valve, seats, as well as the gate are free to move.
Also called knife gate valves, they are available from DeZurik, a Unit of General Signal; Keystone Valve-U.S.A.; Red Valve Co., Inc.; Technaflow, Inc.
The FLIV has a compact design compared to a gate valve and also includes an integral inspection chamber from which the float can be serviced, thus eliminating the need for a separate fabricated component.