Fire hydrant, landing fire hydrant, indoor fire hydrant under UL codes Certifed globally We make different styles of indoor hydrant, landing hydrant, underground hydrant,etc.1. Item: SNJ 652. Type:SN50,SN653. Strength test pressure:2.4mpa4. The indoor fire hydrant is a fixed indoor fire-fighting equipment in factories, public buildings, warehouse,etc.Indoor fire hydrant is the connecter in the ...
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