SJM vertical mixed flow pump – Thetys Pumps

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SJM vertical mixed flow pump

Thetys Pumps / Products / Pumps / Vertical pumps / Vertical wet pit pumps / 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.

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 30 m per stage / 100 ft per stage
Pressures	Up to 18 bar / 260 psi
Temperatures	Up to 50°C / 122°F