Backflow Preventers
Basic informationof the fire protection butterfly valvesThisfire protection butterfly valvecan be used to cut off, switch on and adjust the medium in the pipeline.Features1. 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.PrincipleThe firefighting groove endconcentric butterfly valveis a new product developed on the basis of the patented technology of thebell 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 jarbutterfly valve。Installation and CommissioningThefire fighting butterfly valvecan be installed without considering the flow direction of pipeline medium, that is, allowing two-way flow. For specific use, please consult ZECO Valve Group.Product scope, Standards & MaterialsSize Range: 2"~8"Pressure Rating: 10bar ~ 25barFace to Face Dimensions: AMSE B16.10, EN558-1Flange End Dimension: AWWA C606Coating: Fusion Bonded Epoxy CoatingInspection and Test: ISO 5208 / EN 12226-2
ZECOis one of the most professional control valve manufacturers chinaand we have been devoted to produce control valve chinafor many years. If you want to know more details or want a quotation, just feel free to contact us!
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