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WMCH-SP Billet PP Mag-Drive Self-Primer

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Mag Drive Centrifugal Self-Primer

WMCP machined thermoplastic self priming centrifugal seal-less mag-drive pumps (MCHSP Series) apply to the Self-Priming design with the addition of a self-contained, self-priming pump casing. Machined Horizontal Self-Priming pumps provide smooth continuous leak-proof operation where top unloading is specified.


  • Exclusive SOLID GLASS FREE machined PP or PVDF casings and impellers components for maximum chemical resistance
  • All plastic casing withstands external corrosion
  • Integral raised face flanges (no threaded adapters) to ensure zero leakage
  • Modular impeller allows for varying hydraulic performances
  • Oversized, high purity ceramic or silicon carbide thrust bearings and shaft
  • Standard, direct starting NEMA motors

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WMCH-SP downloadsDownload Pdf

Technical Data

  • Flow: 30-275 GPM (5.8-62 m³/H)
  • Head: To 130 feet (40 m)
  • Temperature Ratings: To 200°F (95°C)
  • Pressure ratings: 100 PSIG (7 Bar)




chartSelection Chart

3500 RPM PDF3500 RPM Curves

drawingDimensional Drawing

WMCH-SP IOM ManualIOM Manual

Composite Brochure (Warrender Seal-less Mag-drive)

Brochure (Solid PP & PVDF Thermoplastic Mag-Drive Pumps)

data sheetData Sheet

Replacement Parts:

Rear Wet End Kits, Shaft, Sleeve & Thrust Bearings, Impeller & Casing wear Rings, Internal Magnets, Casing Gaskets, Power/ Bearing Frame Components