Wet and Dry Riser System

Kolling manufactures low and high-pressure hydrant valves; consist of various type such as horizontal, bib nose, oblique, right angle and etc.

All valves are manufacture to BS 5041: Pt. 1 and Pt. 2.

General Specifications

Body	Copper Alloy to BS 1400
Hand Wheel	Aluminum Alloy to BS 1490
Inlet	Screw End/Flanged End
Outlet	Female Instantaneous to BS336, ANSI NH-7.5,Round Thread to BS336, Storz and Other International Outlet Fittings Are Available On Request.

Specification for Low Pressure

Working Pressure	15 Bar (217 psi)
Seat Test Pressure	16.5 Bar (239 psi)
Body Test	22.5 bar (326 psi)

Specification for High Pressure

Working Pressure	20 Bar (290 psi)
Seat Test Pressure	22 Bar (319 psi)
Body Test	30 Bar (435 psi)

Four way Inlet Breeching

Kolling 4 way Inlet Breeching are manufactured to BS 5041: Pt. 3. Landing valve boxes for dry risers are manufactured to BS 5041 Pt. 4. Foam inlet and dry riser boxes are manufactured to BS 5041: Pt. 5.

General Specifications

Body Material	Spheroidal Graphite Iron to BS 2789
Inlet	65mm Male Instantaneous to BS 336, Copper Alloy to BS 1400
Outlet	150mm PN16 to BS 4504 / 6” ANSI Class 150 F.F
Working Pressure	10 Bar (145 psi)
Test Pressure	20 bar (290 psi)