Valve Gate

$20.00

Valve gates, as the core part of a gate valve, assembled with valve seats to keep sealed, are usually made by hardfacing thermal spraying on base metals or casting methods.

Coating Material: Tungsten Carbide, Stellite

MANUFACTURE

Casting, Thermal Spray

PROCESS

HVOF

Categories: ,

Description

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. Gate valves are primarily used to permit or prevent the flow of liquids, but typical gate valves shouldn’t be used for regulating flow, unless they are specifically designed for that purpose. Because of their ability to cut through liquids, gate valves are often used in the oil well tree in petroleum industry.

ShapeParallel, Wedge
Valve TypeGate Valve

Material Grades of Related Valve Parts

AABBCCDDEEFF
BodyAISI4130AISI4130410SSAISI4130AISI4130410SS
BonnetAISI4130AISI4130410SSAISI4130AISI4130410SS
Gatehardfacing on AISI4130hardfacing on 410SShardfacing on 410SShardfacing on AISI4130hardfacing on 410SShardfacing on 410SS
Seat Ringhardfacing on AISI4135hardfacing on 410SShardfacing on 410SShardfacing on AISI4135hardfacing on 410SShardfacing on 410SS
StemAISI4130410SS410SSAISI4130410SS410SS

Valve Specifications

API Specification6A
Work Pressure2M, 3M, 5M, 10M, 15M, 20M
Standard LevelPSL1, PSL2, PSL3, PSL4
Property RankPR1, PR2
Nominal Diameter (inch)1-13/16, 2-1/16, 2-9/16, 3-1/16, 3-1/8, 4-1/16

Application

  • Oil Well Christmas Tree

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