Water/Foam Solution Distribution; Water Drains; Water Distribution Check Valves; Foam Manifold - Waterous Foam Manager Installation Instructions Manual

1. Waterous furnishes a mix manifold mounted on the pump with 2-1/2 in.
Victaulic or 3 in. Victaulic discharge.
2. Distribution manifolds, piping and valves are not furnished by Waterous.
3. All Discharges should be equipped with water check valves.

Water Distribution Check Valves

All CAFS discharges should be equipped with water check valves. Water and
foam can be trapped between the check valve and the discharge valve. In
order for all water/foam to properly drain, water drains need to be plumbed to
each check valve. These drains should be isolated drains.
High Flow Water Check Valve
WATER/FOAM
DISTRIBUTION
F-1031, Section 3026
Water / Foam Solution Distribution
(Also refer to F-1031, Section 3008, Drain Valve Installation Instructions.)
Discharge Ball Valve
Check Valve Drain
4. Optional static mixers feature a six element mixing array inside a stainless
steel pipe. Measuring 14 inches in overall length and 2-1/2" inches in
diameter, the static mixers can be fitted with Victaulic, NPT or both con­
nections on the inlet or outlet.
The optional static mixers are mounted downstream of the valve.
5. See drawing below for draining of check valves.

Water Drains

IL2981

Foam Manifold

Check Valve
3/4 NPT Drain Tap,
Plumb to an isolated drain valve
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