Internal hydrants installations

The internal hydrant is a corner valve, with cock, equipped with external thread at entrance for connection with a 2’’ steel pipe, and at the exit with internal thread for screwing a permanent connection, which is attached to a hose with discharge pipe.
Depending on design rules (romanian, FM, NFPA, VdS) we have the we have the following categories:

• Internal hydrant valve 45º with diameter of 2” / 1”, 2 ½ “ / 2” , 21/2” / 2 1/2” , 2” / 2”
• Internal hydrant valve 180º with diameter of 1” / 1”, 11/4 “/ 11/4”, 11/4” / 1 ½ “, 2” / 2”.
• Discharge hose – C type ( ø 50 mm) or tip B (ø 75) 2 m length
• Metallic cases for internal hydrants.

The hydrant together with the service equipment (hose and discharge pipe) is installed in metal boxes located at 1.35 to 1.50 m from the floor.
The hydrant cabinets contains:

• Type C hose reel with bounded type C fittings (20 m)
• Discharge pipe type C
• Indoor hydrant valve type C
• Hose reel stand
• ABC wrench Connection

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CEFIN 12 – Ciorogarla, Romania (2007)