A gate valve, also known as a sluice valve, is a valve which opens by lifting a round or rectangular gate/wedge out of the path of the fluid. The distinct feature of a gate valve is the sealing surfaces between the gate and seats are planar, so gate valves are often used when a straight-line flow of fluid and minimum restriction is desired. The gate faces can be parallel, but are most commonly wedge-shaped.

A gate valve mainly contain body, bonnet, wedge, seat, stem. We will take the below gate valve as an example, to make a brief introduction:

din 3352 f4 resilient seated gate valve non rising stem

available medium: water

working temperature: ≤50℃

face to face: din 3202 f4

flange: din 2501

materials:

body & bonnet: cast iron

wedge: cast iron+ rubber

gasket: rubber

packing: rubber

stem nut: brass

stem: stainless steel

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