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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 F5 METAL SEATED RISING STEM


AVAILABLE MEDIUM: WATER 

WORKING TEMPERATURE: ≤150℃

FACE TO FACE: DIN 3202 F5

FLANGE DIMENSIONS: DIN2501

OUTSIDE-SCREW STEM


MATERIALS:

BODY & BONNET: CAST IRON

SEAT: CAST BRASS

WEDGE DISC: CAST IRON + BRASS

STEM: STAINLESS STEEL

PACKING: GRAPHITE

STEM NUT: CAST BRASS

GASKET: GRAPHITE


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