SJM VERTICAL MIXED FLOW PUMP

SJM VERTICAL MIXED FLOW PUMP

Vertical mixed flow pumps featuring modern hydraulics

The SJM pump is a vertical, single or 2-stage, mixed flow bowl diffuser and is typically used wherever a liquid needs to be pumped upward at moderate pressure from open bodies of liquid. Fully updated hydraulics and mechanical designs make the SJM highly efficient and cost-effective.

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Description

Main benefits
  • Optimized hydraulics for high efficiency
  • Packed stuffing box for reliable sealing and simple maintenance, mechanical seal is optional
  • Rubber-lined product-lubricated bearing in bowls and columns for long maintenance-free periods, other bearing materials are also available
  • Spacer coupling allows servicing of the seal and thrust bearing as required
  • Full pull-out design available in bowl diameter sizes > 50″ to ease dismantling and maintenance
Main applications
  • Cooling water circulation in conventional and renewable power stations
  • Water supply
  • Booster service
  • Irrigation supply

Main design features

  • Engineered to order vertical mixed-flow type provided with semi-open impeller
  • Suction bell provided with anti-vortex ribs, tail bearing, and a replaceable bowl liner
  • Axial thrust bearing in pump or in motor
  • Bowl cast or fabricated (bowl diameter sizes > 50″)
  • Full pull-out design available (bowl diameter sizes > 50″)

Key characteristics

Capacities Up to 58,000 m3/h  /  250,000 US gpm
Heads Up to 25 m per stage  /  82 ft per stage
Pressures Up to 18 bar  /  260 psi
Temperatures Up to 50°C  /  122°F

Performance range

Performance range 50 Hz

Performance range 60 Hz

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