Breeching

Collecting breechings combine 2 water feeds. Dividing breechings split single lines into 2. Inlets are usually 2 1/2" male inst. and outlets 2 1/2" female inst. to suit standard inst. couplings. Female outlets are fitted with a single twist release knob operating a spring operated plunger. 2 1/2" female outlets have double pull release. Both breechings may be fitted with a rotary valve to control the flow. Dividing breechings only are available with gate valves.

Fig 20 - Controlled with rotary valve to allow flow from either or both outlets. Gate valves to control flow on each line.
Fig 21 - Controlled with rotary valve to allow flow from either or both outlets.
Fig 22 - Collecting breeching standard.
Fig 23 - Dividing breeching standard.

Collecting heads

Feed water from one or more standpipes to a fire tender pump inlet. Standard outlet connections are 3", 4" and 5 1/2" female round thread to B.S. 366. Other sizes available. Standard inlet connections are 2 1/2" male inst., c/w non return valve.

Fig No.

Configuration
Inlet No.
Outlet
783
in-line
2,3,4 or 5
Swivel
784
Angled
2 or 3
Swivel
785
Radial
3 or 4
Fixed

Adaptors

Inst. Female x Male/Female Screw threads. Gunmetal: Most sizes manufactured. Single Twist or Single/Double pull. Light Alloy: 1 1/2, 2, 2 1/2" BSP
Inst. Male x Male/Female screw Threads. Gunmetal: Most sizes manufactured. Light Alloy: 1 1/2, 2, 2 1/2" BSP
Inst. Double Female and Double Male. Gunmetal: Single Twist and Double Pull. Light Alloy: Single Twist.

Inst. Female/Inst. Male x Storz. Gunmetal & Light Alloy: Most sizes.
Male/Male Screw Threads. Gunmetal: Most sizes manufactured BSP & NPT. Light Alloy: Limited range.
Female/Female Screw Threads. Gunmetal: Most sizes manufactured. Light Alloy: Limited range.

Inst. Male x Flange. Gunmetal: Most sizes manufactured.
Inst. Female x Flange. Gunmetal: Most sizes manufactured.
Screw Threads x Flange. Gunmetal: Most sizes manufactured.

Miscellaneous Fittings x Screw Threads.
Gunmetal: Most sizes manufactured.
Spring Loaded non return Valves.
Gunmetal: Most sizes manufactured.
Light Alloy: Limited range.
Gunmetal: Blank Caps and Plugs to suit all fittings.
Light Alloy: 65mm Instantaneous and most sizes of Storz. Plastic: 65mm Instant. Male & Female only.

 

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