What are the types of fire hydrants on the back of the fire hydrant?
Fireproof board can do partition wall, can not do firewall. If the case is concealed on the firewall, the back panel shall not be used; if the dark packing is on the wall of the non firewall, a fireproof board may be used on the back.
Dark installed through the fire hydrant box, back to hang barbed wire, wipe 5mm cement. Fireproof board is nonflammable material, can not be used as fireproof partition.
