Fire Protection Groove end Concentric Butterfly Valve

Fire Protection Groove end Concentric Butterfly Valve

Basic information
Basic information
This valve can be used to cut off, switch on and adjust the medium in the pipeline.
Features
Features
1. Disc and stem are connected without the pin, and the connection is reliable;
2. Concentric sealing design with light torque and good sealing performance;
3. Disc is vulcanized with rubber and has good corrosion resistance;
4. Valve and pipe are connected by a clip joint, which is convenient and fast to install.
Principle
Principle
The firefighting groove end concentric butterfly valve is a new product developed on the basis of the patented technology of the bell jar butterfly valve, adding the inlet and outlet groove as the bayonet, which can be directly connected with the pipe by the clamp to meet the needs of different occasions. It has the advantages of the bell jar butterfly valve.
Installation and Commissioning
Installation and Commissioning
This valve can be installed without considering the flow direction of pipeline medium, that is, allowing two-way flow. For specific use, please consult ZhengFeng Valve Group.

Part

Material

Standard

Body

Ductile Iron

EN 1563/DIN 1693

Disc

Ductile Iron

EN 1563/DIN 1693

Seat

EPDM / NBR

ISO 4633

Stem

Stainless Steel 431

EN10088-1/ASTM A959

Handwheel

Ductile Iron

EN 1563/DIN 1693

Worm Actuator

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"~8"
Pressure Rating: 10bar ~ 25bar
Face to Face Dimensions: AMSE B16.10, EN558-1
Flange End Dimension: AWWA C606
Coating: Fusion Bonded Epoxy Coating
Inspection and Test: ISO 5208 / EN 12226-2

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