CMU - Decoking / Descaling

Decoking/Descaling - The continuous build-up of coke on the inner walls of fired heaters and heat exchange surfaces in oil refineries leads to reduced energy efficiency and shutdown of the affected unit. To clean the walls, a device called a pig is sent through the pipeline with high pressure water. The water that forces the pig through the pipeline is the CMU Series Pump. The CMU pump is the only centrifugal pump in the industry that can withstand the wear and tear of decoking/descaling.

CMU Inverted

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  • CMU Inverted
  • CMU Inverted
CM FLOW
GPM 500, 750, 1000, 1250
l/min 2000, 3000, 4000, 5000
l/sec 30, 50, 65, 80
CM PRESSURE
PSI Bar kPa MPa
150 10 1000 1.0
       
CMU FLOW
GPM 1500, 1750, 2000, 2250
l/min 6000, 7000, 8000, 9000
l/sec 100, 115, 130, 150
CMU PRESSURE
PSI Bar kPa MPa
150 10 1000 1.0
       

Specifications

  • Flame-plated impellers (standard on CMU, optional on CM)
  • Two-piece, horizontally-split, high-tensile strength cast iron pump casing
  • Optional bronze/gunmetal pump casing
  • All deep-groove oil and grease lubricated ball bearings located outside the pump casing
  • Bronze double-hubbed accurately balanced impellers
  • Stainless steel separable impeller shaft
  • Replaceable bronze impeller rings
  • Flinger rings mounted on impeller shaft
  • Adjustable BFG packing standard (spring-loaded mechanical seal available)
  • C20 Transmission consisting of an aluminum case and chain-driven for silent operation
  • Maximum Pressure: 600 PSI (41 bar)

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.
  • Discharge Valves: Your choice of the trusted Waterous 1⁄4 turn 2.5 inch and 3.5 inch rack and sector push-pull, worm gear and electric discharge valves. All 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.
  • Power Shift: Pneumatic shift allows operator to shift from ROAD to PUMP position by actuating a valve.
  • Tank to Pump Valve: A full-flow 3.5-inch diameter ball valve, which is attached directly to the pump.
  • Tachometer: Tachometer drive standard and operates at 1/2 input shaft speed.
  • Electric Transfer Valve Actuator: An electric transfer valve provides smooth transfer to either PRESSURE or VOLUME.

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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