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Fluid Flow Control - Lobe Pump

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Lobe Pump Lobe Pump

Lobe Pump Pulsation Dampening

Lobe pumps with flow through dampers often applied for a smooth flow of liquid foods because of the in line fluching capability.

More detailed information:
Pumping Technik: Rotary Lobe Pumps Pulsation Dampeners / Rotary Piston
Costings Info: Lobe Pumps
Contact / RFQ: Pulsation Dampener Inquiry / What do you need?

Alfa Laval

The SX range of rotary lobe pumps has been designed for use on wide ranging applications within the Pharmaceutical, Biotechnology, Fine Chemical and Speciality Food industries. Being certified by EHEDG (European Hygienic Equipment Design Group) as fully CIP cleanable to their protocol, the SX range is ideally suited to applications where cleanability and corrosion resistance is paramount.

Product(s) / Service(s): rotary lobe pump
Source / Origin of Design: unknown
Contact Information:
representation locator and email contact form on web site
View internet links for Alfa Laval >>>

Allweiler

The two curved, non-contact rotary pistons run in cylindrical pump housing chambers that are free from dead space. The required sealing effect is achieved by the tight gap between the rotary piston and the pump housing, which combined with the curved, large piston surfaces, generates a highly effective dynamic seal. The shearing forces acting onthe pumped medium are very low.

Product(s) / Service(s): Rotary lobe pumps
Source / Origin of Design: unknown
Contact Information:
automatic contact form on web site
View internet links for Allweiler >>>

APV

Effective, reliable and quiet-running pumps in your processing plant cut production costs, enhance the working environment, reduce the number of production interruptions and ensure an improved end-product. The APV pump range includes: high efficiency centrifugal pumps, self priming pumps and rotary lobe pumps.

Product(s) / Service(s): rotary lobe pumps
Source / Origin of Design: unknown
Contact Information:
automatic email contact form on web site
View internet links for APV >>>

AxFlow

AxFlow is Europe´s largest supplier of positive displacement pumps and related products. We represent world-leading manufacturers with high quality products for a wide range of applications.

Product(s) / Service(s): lobe pumps
Source / Origin of Design: unknown
Contact Information:
Telephone +46 8 545 476 70
Telefax +46 8 545 476 89
View internet links for AxFlow >>>

Boerger

You will find BÖRGERs emphasis on applications in wastewater and sludge handling, the chemical, paint and lacquer-industry, the paper and cellulose production, the petrochemical and oil-industry as well as in many other areas, where users recognize the patented advantages of elastomer-coated, quick-change, readjustable rotors and individually replaceable rotor tips.

Product(s) / Service(s): Helical tri-lobe 3500 USGPM max.174 psi max
Source / Origin of Design: unknown
Contact Information:
BÖRGER GmbH
Benningsweg 24
D-46325 Borken-Weseke
GERMANY
View internet links for Boerger >>>

Flygt

Stainless steel rotary lobe pumps

Product(s) / Service(s): stainless steel rotary lobe pumps
Source / Origin of Design: unknown
Contact Information:
ITT Flygt Corporation
35 Nutmeg Drive. Box 1004
Trumbull, CT 06611-0943
View internet links for Flygt >>>

Hilge

a Grondfos company - lobe pumps to Euro cleanliness standards.

Product(s) / Service(s): stainless steel rotary lobe pumps
Source / Origin of Design: unknown
Contact Information:
contact form available on web site
View internet links for Hilge >>>

Johnson Pump

Johnson Pump offers two models of rotary lobe pumps; TopLobe, a tri-lobe rotor pump, which is designed to handle most applications in today’s processing industries and TopWing, which is a heavy duty bi-winged rotor pump desinged for the most demanding applications, with optimal efficiency, but without any compromise when it comes to hygiene.

Product(s) / Service(s): lobe pumps
Source / Origin of Design: unknown
Contact Information:
Johnson Pump Industry
Nastagatan 19
P.O. Box 1436
SE-701 14 ÖREBRO
Sweden
Tel +46 (0)19 21 83 00
Fax +46 (0)19 27 23 30
View internet links for Johnson Pump >>>

Megator

The gentle action of the two interacting rotors creates a fluid movement through the pump, with minimal damage to suspended particles.  Various types of rotor materials can be used, combined with a wide range of materials for all other wetted parts, resistance to wear and corrosion are obtained.

Product(s) / Service(s): lobe pumps
Source / Origin of Design: unknown
Contact Information:
562 Alpha Drive
Pittsburgh, PA 15238 USA
Tel: 412.963.9200 / 1.800.245.6211
Fax: 412.963.9214
View internet links for Megator >>>

Netzsch

NETZSCH is a diversified manufacturer of specialized industrial equipment that provides proven solutions for a broad range of demanding industries.

Product(s) / Service(s): Rotary Lobe Pumps
Source / Origin of Design: unknown
Contact Information:
Contact: Gerald DaBoub
6214 Costa Lanier Lane
Flowery Branch, GA 30542
Phone:  (678) 267-3405
Cell: (770) 539-2301
Fax: (678) 302-6940
View internet links for Netzsch >>>

Waukesha Cherry-Burrell / SPX

Universal lobe pumps feature bi-directional flow with a free draining internal flat profile pump body. Uniquely designed Waukesha "88" alloy rotors permit running at tighter clearances and higher efficiencies. Fully CIPable, the lobe pump body offers an alternative to higher priced external circumferential piston PD pumps.

Product(s) / Service(s): Universal Lobe Style PD Pumps
Source / Origin of Design: unknown
Contact Information:
611 Sugar Creek Road
Delavan, WI  53115
Phone: 800.252.5200 or 262.728.1900
Fax: 800.252.5012 or 262.728.4904
View internet links for Waukesha Cherry-Burrell / SPX >>>

S.R. Industries

All Parts in contact with the product liquid are made form AISI-316 quality stainless steel alloys to meet exacting requirements of hygienic standard.

Product(s) / Service(s): stainless steel lobe pumps
Source / Origin of Design: unknown
Contact Information:
contact form available on web site
View internet links for S.R. Industries >>>

Viking Pump

Rotary lobe pumps use timing gears to eliminate contact between the rotors, which allows their use on non-lubricating fluids.  Various rotor forms are available, including bi-wing (shown at left) and multi-lobe options (shown below).  These pumps offer both sanitary/hygienic designs which meet 3A and EHEDG standards, and industrial designs with bearings on both sides of the rotors for higher pressure capabilities.

Product(s) / Service(s): rotary lobe pumps
Source / Origin of Design: unknown
Contact Information:
Viking Pump, Inc.
A Unit of IDEX Corporation
406 State Street, P.O. Box 8
Cedar Falls, Iowa 50613-0008
Phone: (319) 266-1741
Fax: (319) 273-8157
View internet links for Viking Pump >>>

Vogelsang

Vogelsang supplies as standard, Hi-Flo™ Rotors that provide pulsation free flow, and increased wear life over the competition.

Product(s) / Service(s): positive displacement rotary lobe pumps
Source / Origin of Design: unknown
Contact Information:
P.O. Box 751 7966 State Route 44
Ravenna, OH 44266
View internet links for Vogelsang >>>


Wikipedia Lobe Pump

Lobe pumps are used in a variety of industries including pulp and paper, chemical, food, beverage, pharmaceutical, and biotechnology. They are popular in these diverse industries because they offer superb sanitary qualities, high efficiency, reliability, corrosion resistance and good clean-in-place and service-in-place (CIP/SIP) characteristics.
Rotary pumps can handle solids (e.g., cherries and olives), slurries, pastes, and a variety of liquids. If wetted, they offer self-priming performance. A gentle pumping action minimizes product degradation. They also offer continuous and intermittent reversible flows and can operate dry for brief periods of time. Flow is relatively independent of changes in process pressure, too, so output is constant and continuous

Lobe pumps are similar to external gear pumps in operation in that fluid flows around the interior of the casing. Unlike external gear pumps, however, the lobes do not make contact. Lobe contact is prevented by external timing gears located in the gearbox. Pump shaft support bearings are located in the gearbox, and since the bearings are out of the pumped liquid, pressure is limited by bearing location and shaft deflection.

1. As the lobes come out of mesh, they create expanding volume on the inlet side of the pump. Liquid flows into the cavity and is trapped by the lobes as they rotate.
2. Liquid travels around the interior of the casing in the pockets between the lobes and the casing -- it does not pass between the lobes.
3. Finally, the meshing of the lobes forces liquid through the outlet port under pressure.

Lobe pumps are frequently used in food applications because they handle solids without damaging the product. Particle size pumped can be much larger in lobe pumps than in other positive displacement types. Since the lobes do not make contact, and clearances are not as close as in other Positive displacement pumps, this design handles low viscosity liquids with diminished performance. Loading characteristics are not as good as other designs, and suction ability is low. High-viscosity liquids require reduced speeds to achieve satisfactory performance. Reductions of 25% of rated speed and lower are common with high-viscosity liquids.
Lobe Pump




Fluid Flow Control
Greg St. Industrial Center, UK SK5 7BS EU
For insertions or changes contact the editor; For technical updates contact Dr. A. V. Ghavrish – Engineer.
Email:
Pulsating-Equipment@Fluid-Flow-Control.com


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