CH-4

CGV

	Specs

	Options/ Accessories

	Download Literature

	Sales/Application/ Service Help

Single-Stage Centrifugal Fire Pumps Provide Power and Versatile Performance

The Waterous CH-4 pump is designed for ARFF users looking for large capacity, single-stage centrifugal fire pumps. Our CH-4 pump comes in both direct-drive and PTO-driven models that deliver up to 1400 GPM @ 250 PSI (5300 L/min. @ 17 bar). Like all of our pumps, the CH-4 single-stage centrifugal fire pump is tested at full power prior to shipment to ensure it meets every one of our rigorous standards.

Low Maintenance
Supported by an exclusive 5-year warranty, your CH-4 pump service and maintenance needs are taken care of with Waterous. When compared with apparatus equipped with other brands of ARFF fire pumps, we’ll repair and restore your CH-4 pump faster and get you back fighting fires in no time.

Options & Accessories
Available with a variety of options to fit the needs of your fire operations, the Waterous CH-4 ARFF fire pumps easily interface with numerous accessories. An electric, oil-free rotary vane primer is available and can be mounted directly on a Waterous split-shaft pump transmission or separately mounted combined with a Waterous priming valve. Pressure control, corrosion protection, oil cooler piping and overheat protection systems are also available.

Product Orientation & Integration
Eliminating the learning curve of integrating ARFF pumps into your daily operations is easy with Waterous. Operator and maintenance instruction is available for seamlessly implementing your CH-4 single-stage centrifugal fire pumps. With a variety of product orientation and instruction courses to suit your department, our expert factory education specialists provide both classroom and hands-on instruction for theoretical and practical understanding. Contact your Waterous representative for exclusive pricing on operator and maintenance education opportunities.

Model CH-4

Specifications

Bronze (cast iron optional), horizontally-split volute body and head with a high-tensile gray iron transmission casing.
The transmission has constant mesh, helical gears made of alloy steel. All gears are crown shaved, carburized, hardened, have groundbores and are splash lubricated (CHK-4 model only).
17-4 stainless steel impeller shaft (monel offered on CHK-4 model only), heat treated, machined and ground to precision.
Oil- or grease-lubricated deep-groove ball bearings, located outside the pump casing to accurately align and support the impeller shaft assembly.
Fully-enclosed, bronze, double-hubbed precision-balanced impeller.
Bronze replaceable wear rings to increase pump life and minimize maintenance costs.
Standard 8" bronze ANSI intake flange with adapter or 10" flange without adapter.
5" discharge flange.
Mechanically seal is standard.
5-year warranty

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Options and Accessories

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.
Oil Cooler Piping: Water from the pump is routed through the transmission via copper tubing to keep transmission cool and running smoothly.
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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Download Product Literature


Spec Sheets: CH-4 Series Drain Valve Overheat Protection Manager Intake Relief Valve Discharge Valves Discharge Relief Valve Priming Systems		Product Brochures: ARFF Pumps Brochure
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Sales/Application/Service Help

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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