Manual Resilient Seated Gate Valve

Manual Resilient Seated Gate Valve

Basic information
Basic information
This valve is used as an intercepting device in the flow line and is not suitable for regulating flow.
Features
Features
1. Full diameter flat - bottom runner, no debris pooling;
2. Fully covered EPDM disc, no corrosion;
3. Movable disc's nut, adaptive offset;
4. The variable pressure change O-Ring.
Principle
Principle
The main seal is entirely rubber covered gate, under the action of operating force and hydraulic pressure produced a small amount of adaptive elastic deformation, and precision casting of the seating stroke excellent sealing effect.
Installation and Commissioning
Installation and Commissioning
If maintenance is required, the o-ring can be replaced online directly on the pipe. When installed, pay attention to the use of temperature and corrosivity, can be used to replace rubber parts suitable for the use of temperature. 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

CuZn39Pb1 / C37000

EN12167/ASTM B135

Handwheel

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: 2"~48"
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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