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Rubberrised-Wedge Carbon Steel Gate Valves

Design features

Design Features

Benefits

Cast carbon or alloy steel valve body and gate.

Resistance to chemical and temperature effects of line medium.

Full bore gate body design.

Free medium flow.
Clear pass for maintenance and diagnostic equipment.

Corrosion-resistant over welding of the trim.

Increased reliability and service life of the gate valves.

Rubberized gate.

Resistant to abrasive wear caused by movement of hard particles in medium flow.

Pressure relief plug in the cover.

Pressure relief.
Additional tightness of the gate ( by boosting pressure inside).

Hatch in the bottom part of the valve body.

Removal of sediment preventing full closure of the valve.

Rolling bearings in the yoke.

Decreased effort of the actuator.
Easier valve operation.

Usage of thermo expanded graphite for sealing gland.

Less stem friction wear-out.
Extended service life of the element.

 
 
Parts and materials:


Part name

Material

DIN

ASTM

Body

GS-C25; GS-C25N

A216 Gr WCB

Wedge

GS-C25; GS-C25N

A216 Gr WCB

Spindle

X20Cr13

A473, A580, AISI 420

Gasket

Thermal Expanded Graphite

Cover

GS-C25; GS-C25N

A216 Gr WCB

Nut

C35

A915, AISI 1035

Pin

C35

A915, AISI 1035

Gland

Thermal Expanded Graphite

Bushing

C22

A556, AISI 1020

Flange

C22

A556, AISI 1020

Nut

C35

A915, AISI 1035

Pin

C35

A915, AISI 1035

Thread bushing

Bronze

 Body ring overlay

Corrosion-resistant over welding

 Wedge sealing

Rubber

Application

Used as stop valves for  pipelines transporting abrasive fluids.



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