Rexa CUT

Submersible Sewage Grinder Pumps


  • Pumping of water containing domestic sewage
  • Typically used in pressure sewer applications - both municipal and residential

Max. Flow: 80.1 GPM

Max. Head: 30.50 ft ~ 32.30 ft

Features & Benefits

  • High operational reliability through spherically-formed macerator with pulling cut
  • Cutter design yields fine solids for non-clogging operation
  • Resistant to obstructions and blockages
  • Sealing chamber
  • Long service life through a high-quality motor seal with two independent mechanical seals and
    optional pencil electrode for sealing chamber control
  • cCSAus approval

Technical Data

  • Power connection: 1~230 V/60 Hz, 3~230 V/60 Hz or 3~460 V/60 Hz
  • Submerged operating mode: continuous duty (S1)
  • Non-submerged operating mode: rated minutes operation (S2-15 or S3 10%)
  • Protection class: Submerged under pressure (IP 68)
  • Insulation class: F
  • Max. fluid temperature: 37-104 °F (3-40 °C)
  • Cable length: 33 ft (10 m)

Materials of Construction

  • Pump housing: ASTM A48 Class 35/40B (EN-GJL-250)
  • Impeller: ASTM A48 Class 35/40B (EN-GJL-250)
  • Shaft: Stainless steel AISI 420 (1.4021)
  • Mechanical seal on pump side: SiC/SiC
  • Mechanical seal on the motor side: C/MgSiO4
  • Static gasket: Nitrile (NBR)
  • Motor housing: Stainless steel AISI 304 (1.4301)
  • Macerator: Stainless steel AISI 440B+Co (1.4528)


Rexa CUT

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