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Vehicle Mounted: Model CP-4
Knock Out Fires Faster with This Ultra-High Pressure Performer. |
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The CP-4 can be used either as an auxiliary pump to provide "booster" service on an apparatus that also has a rated mid-ship pump or as the only pump on a mini-pumper, brush truck or other special purpose vehicle. A four-stage centrifugal pump that delivers 75 GPM @ 1250 PSI (750 L/min @ 86 bar) to produce high-pressure fog, the CP-4 is especially adaptable to "pump and roll" operation, and will supply two or more high-pressure booster reels with ultra-high pressure. Ideal for situations where a limited water supply is available and a high-pressure fog is desirable for knocking out a fire quickly before it spreads. The CP-4 also comes with an industry exclusive five-year warranty. |

Model CP-4
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- High-tensile, two-piece, horizontally-split, gray iron casing (bronze optional).
- Available in either clockwise or counter-clockwise rotation of input shaft.
- Replaceable Ni-resist wear rings have stepped design to increase efficiency and reduce internal leakage.
- Four double-hubbed, hydraulically and mechanically precision-balanced bronze impellers.
- 2 inch NPT intake; 1.5 inch NPT discharge.
- Seven optional speed-increasing transmission ratios.
- Standard helical-cut, constant mesh gears for maximum power, quiet operation and long life.
- Oil- or grease-lubricated deep-groove ball bearings, situated outside the pump casing for accurate alignment.
- Adjustable braided flexible graphite (BFG) packing.
- 5-year warranty
US measurements
| Model |
Length |
Width |
Height |
Weight |
| CPK-4 |
28.44" |
10.75" |
15.25" |
300lbs |
| CPT-4 |
32.5" |
17.75" |
18.25" |
300lbs |
Metric
| Model |
Length |
Width |
Height |
Weight |
| CPK-4 |
72.2cm |
27.3cm |
38.7cm |
136kg |
| CPT-4 |
82.5cm |
45.1cm |
46.4cm |
136kg |
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- Priming System: An electric, oil-free rotary vane primer mounted directly on a Waterous split-shaft pump transmission or separately mounted combined with a Waterous priming valve forms the priming system. A lubrication option allows the use of Prime-Safe lubricant (priming tank is required when the lubrication option is selected).
- Pressure Control System: The Waterous Intake Relief Valve system is designed to act as a safety valve by "dumping" excess pressure from the inlet side of the pump. The Discharge Relief Valve provides sensitive pump control to protect firefighters from sudden pressure surges resulting from changes in discharge flows from the pump.
- Manifold Drain Valve: Drains all points of the pump simultaneously with the operation of a single control.
- Corrosion Protection: Replaceable zinc element that is installed directly on the pump intake piping and into the pump waterway. These anodes sacrifice the zinc element to galvanic corrosion.
- Discharge Valves: Your choice of the trusted Waterous 1/4 turn 2.5" and 3.5" ball-type discharge valve or a 4" ANSI flanged discharge valve. Both options come standard with chrome-plated brass ball and hydraulically balanced seal assembly.
- Overheat Protection Manager: The OPM consists of an illuminated warning light on the operator's panel whenever the pump approaches an overheat condition. Optional audible alarm is available.
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Industry-leading sales and support.
When you purchase Waterous equipment, not only do you get quality products, you get quality service. Our expert service technicians are the best in the business and they are always happy to answer any service questions you might have. The numbers for our service and training specialists are listed below for your convenience. If you have a general service question please call our main number and our staff will kindly direct you to the appropriate department.
Sales/Applications Assistance
Phone: 651-450-5234 (Press 3)
pumpsales@waterousco.com
Service Assistance
Phone: 651-450-5200
Fax: 800-488-1228
service@waterousco.com |

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