Rotary lobe pumps

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Johnson Pump

Rotary lobe pump / process / for dairy products / paint - max. 125 m³/h, 22 bar | TopLobe

The TopLobe series is available in 12 different sizes. Shaft seal options include single and double mechanical as well as lip seals. Multi-foot for vertical or horizontal mounting. Heating/cooling systems for front cover. Built-on...

Rotary lobe pump / process / for dairy products / paint - max. 125 m³/h, 22 bar | TopLobe

The TopLobe series is available in 12 different sizes. Shaft seal options include single and double mechanical as well as lip seals. Multi-foot for vertical or horizontal mounting. Heating/cooling systems for front cover. Built-on safety relief valves as an option. Connections from 20 mm to 150 mm.

Features/Benefits

Simple, clean and robust construction - Hygienic, minimum risk of product entrapment, easy to clean either by CIP, SIP or manually, short cleaning downtimes
Easy maintenance - Easy service and maintenance, simple gearbox construction
Gentle product handling - Traditional tri-lobe design gives gentle handling, low pulsation and capability of handling particles
Large selection of shaft seals - Easily interchangeable with other seal types, short downtimes
Shim-free, oil lubricated gearbox - Easy to service, longer life

Rotary lobe pump / process / for high-viscosity materials / lubricated - max. 2 000 l/min, max. 10 bar | TopLobe Plus

Smooth flow
Gentle product handling
Dry running ability with double seal
Handles low and high viscosity products
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Rotary lobe pump / process / for high-viscosity materials / lubricated - max. 2 000 l/min, max. 10 bar | TopLobe Plus

Smooth flow
Gentle product handling
Dry running ability with double seal
Handles low and high viscosity products
Simple maintenance
Hygienic design
Low sound level
CIP capability standard
Free draining pump housing
Unique rotor attachment
Robust construction
Process flexibiltiy
Single mechanical seals standard. Optional double mechanical seals also available
Grease lubricated bearings for positive lubrication over speed, temperature

Rotary lobe pump / process / air / operated for solvents - max. 156 m³/h, max. 15 bar, max. 1 400 rpm | TopWing

The TopWing-series is available in 8 different sizes. Shaft seal options include single mechanical, quenched, double flushed, O-ring. Feet for vertical or horizontal mounting. Safety relief valves are available built-on or separately. Pre-heating/cooling devices in front cover and/or at the seals. Connections from 25 mm to 100...

Rotary lobe pump / process / air / operated for solvents - max. 156 m³/h, max. 15 bar, max. 1 400 rpm | TopWing

The TopWing-series is available in 8 different sizes. Shaft seal options include single mechanical, quenched, double flushed, O-ring. Feet for vertical or horizontal mounting. Safety relief valves are available built-on or separately. Pre-heating/cooling devices in front cover and/or at the seals. Connections from 25 mm to 100 mm.

Features/Benefits

Superior hygiene - Self-draining rotorcase and mechanical seal assembled in the liquid. Low carbon stainless steel with smooth surfaces. Easy to clean CIP, SIP or by hand, with a minimum of entrapped liquid
Validated and certified - Pump can easily be validated in to Ultra-hygienic applications
Package of certificates available as an option, as example:
-Flow and pressure tests
-Cleanability certificates as EHEDG and 3-A
-Material certificates as 3.1, FDA, USP VI and AFO
-Certificates of surface roughness, welding, electro polishing
-ATEX certificates (Hazardous zone)
-Quality (ISO 9001) and environmental (ISO 14000) certificates
Gentle product handling - Rotors with smooth performance and minimized backslip. Able to handle particles
Easy maintenance - Front-loaded product seals and robust bearing assembly without shimming
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