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WEMCO Screw-Flow

»Products»Pumps By Brand»WEMCO®»WEMCO Screw-Flow

WEMCO Screw-Flow

The WEMCO Screw Centrifugal pump is equipped with a classic single vane screw centrifugal impeller.

WEMCO applies advanced pump design technology to increase product performance, reduce cost and improve lead time. The long-established screw centrifugal design provides clog-resistant pumping for trouble free movement of solids, and fibrous and stringy materials. The steep head-capacity curve produced by the impeller provides additional head to help push through any partial blockages.

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Key features/benefits:

  • High efficiency
  • Low NPSH requirements
  • Steep head/capacity curve
  • Flushless tandem mechanical seals
  • Adjustable liners
  • Large solids passage
  • Solids Passage: 2.5 – 4.75 in
  • High Chrome Iron impeller & liner
  • ASTM A532 Class III Type A

Applications:

  • Sludges
  • Raw & unscreened sewage
  • Paper stock & wood chips
  • Wet well cleanup
  • Crystalline compounds
  • Bacterial Floc
  • Easily damaged fruits & vegetables
  • Coal
  • Configurations
  • Horizontal
  • Vertical
  • Submersible
  • Prerotation

Size range/ dimensions:

3 to 10 inch

Pressure class/ power:

6 to 270 feet (2 to 82 metres)

Temperature range:

32F to 180F (0C to 82C)

Capacity:

150 to 10000 GPM (34 to 2275 m³/hr)

Advantages of the WEMCO® Screw Centrifugal:

Low NPSH: The screw portion of the WEMCO® Screw Centrifugal impeller performs as an inducer, pulling liquid into the impeller, resulting in low NPSH requirements.

Solids Handling:

The single vane impeller of the WEMCO® Screw Centrifugal pump creates a single channel flow, allowing for larger solids passage. The large solids passage provides better solids handling capabilities than any other pump type. The steep head-capacity curve provides ample reserve pressure to clear temporary clogs.

Sludge Handling Positive Suction:

The combination of a low NPSH requirement and large solids channels provides a powerful pump for handling thick sludges. The steep head-capacity curve of the WEMCO® Screw Centrifugal pump also allows for pumping of varying sludge consistencies without the need to change speed. An additional benefit is the reserved head for clearing temporary line blockages.

Adjustable Liner:

Consistent impeller to liner clearance is imperative to the performance of the pump. As the pump components wear, clearance between the impeller and liner can be adjusted to ensure optimal performance.

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    About Us

    Trillium Flow Technlologies

    Trillium Flow Technologies™, founded on a legacy of premier products and service, will continue to provide mission critical valves, pumps and aftermarket services in oil and gas, power generation, water and wastewater, and general industry.

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