Rosenbauer FOX 4 - Integrated Around-The-Pump Foam Proportioning System

Technical description
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Optional equipment
When using the lighting system frame holder the engine cover cannot be
opened!
Read/observe the supplementary supplier documentation.
6.5.6 Integrated around-the-pump foam proportioning system
The Rosenbauer integrated around-the-pump foam proportioning system
for the portable pump ensures constant foam proportioning at all times.
The proportioning amount is set via a regulating ball valve. The required
proportioning quantity can be read off from the desired proportioning rate
and the water quantity via a table. The table contains proportioning ratios of
0.1%, 0.5%, 1%, 3%, 6%.
Scope of delivery
• Mixing unit with regulating ball valve incl. scale
• Motive water line with shutoff valve
• Replacement part
• 90° connector to pump housing incl. reducing nipple
• Lock nut
• Table for proportioning quantities
Integrated around-the-pump foam proportioning system components
1 Foam induction valve
2 Regulating ball valve
3 Foam compound external drafting connection
4 Pump housing connection
5 Motive water line
6 Replacement part
7 Mixing chamber
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