Big Size Resilient Gate Valve

Big Size Resilient Gate Valve

Basic information
Basic information
This valve is used in the pipeline as a cut-off valve.
Features
Features
1. High-quality EPDM brake rubber provides good sealing performance;
2. The bronze brake nut is not easy to damage even if the switch torque is too high;
3. Light switch torque, easy to operate;
4. The shell material is guaranteed, safe and reliable.
Principle
Principle
The big size resilient gate valve is equipped with a turbine head due to excessive torque, which drives the rotary stem through the turbine. The stem drives the brake plate nut upward to open the valve.
Installation and Commissioning
Installation and Commissioning
Electric actuators are available for more convenient operation of valves. For specific use, please consult ZhengFeng Valve Group.

Part

Material

Standard

Body

Ductile Iron

EN 1563/DIN 1693

Bonnet

Ductile Iron

EN 1563/DIN 1693

Stem

Stainless Steel 431

EN10088-1/ASTM A959

Wedge

Ductile Iron + EPDM / NBR

EN 1563/ISO 4633

Nut

C83600

ASTN B505

Box

Ductile Iron

EN 1563/DIN 1693

For the materials options not listed, consult factory.

ZhengFeng manufactures valves in more than 50 different alloys.

Product scope, Standards & Materials
Size Range: 20"~32"
Pressure Rating: 10bar ~ 25bar
Face to Face Dimensions: AMSE B16.10, EN558-1
Flange End Dimension: AMSE B16.1/16.42, AS4087, EN1092-2
Coating: Fusion Bonded Epoxy Coating
Inspection and Test: ISO 5208 / EN 12226-2

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