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Fluid Flow Control - Gear Pump

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Gear Pump Gear Pump

Gear Pump Pulsation Dampening

Gear pumps of the internal and external types have pressure pulsation dampners for flow fluctuation and high frequency dampning.

More detailed information:
Pumping Technik: Gear Pumps Pulsation Damper / Straight, Spur, Internal
Costings Info: Gear Pumps
Contact / RFQ: Pulsation Dampener Inquiry / What do you need?

Parker

Parker Hannifin has become a world leader in motion and control technology by providing premier customer service. That's what our Product Information Center is all about. Our experienced agents are ready to provide you with the product identification and referral service you need.

Product(s) / Service(s): gear pump products for fluid power applications
Source / Origin of Design: unknown
Contact Information:
1-800-C-PARKER
View internet links for Parker >>>

Sauer Danfoss

Sauer-Danfoss offers a wide variety of open circuit products. Our fixed and variable displacement pumps provide power for work functions of on- and off-highway vehicles and equipment in the fields of agriculture, construction, material handling, many others.

Product(s) / Service(s): Open circuit gear units and axial piston pumps
Source / Origin of Design: unknown
Contact Information:
Sauer-Danfoss Company
2800 East 13th Street
Ames, IA 50010
Phone: + 1 (515) 239-6000
Fax: + 1 (515) 239-6318
View internet links for Sauer Danfoss >>>

Shimadzu

Developed for pressurized feeding of molten plastics at high temperature and high pressure, the SBJ gear pumps have demonstrated proven performance at a number of installations.

Product(s) / Service(s): Gear Pumps for Molten Plastics
Source / Origin of Design: unknown
Contact Information:
1-800-477-1227 (x 1300)
View internet links for Shimadzu >>>

Alfa Pumps and Systems

Alfa pumps offers heavy-duty gear pumps (series-AP), which is useful for pumping and transferring of heavy fuel oils, like LDO, FO, LSHS, HSD, crude petroleum, wax slurries, starch solutions, glue, etc. Generally made of iron Alfa pumps are also available in cast steel, stainless steel.

Product(s) / Service(s): rotary gear pumps and systems
Source / Origin of Design: unknown
Contact Information:
Alfapumps
3053, Bhandup Industrial Estate
Pannalal Compound, L.B.S. Marg, Bhandup (W),
Mumbai - 400 078 (Maharashtra, INDIA) 
View internet links for Alfa Pumps and Systems >>>

Micropump

Whether you use the cavity style or the revolutionary suction shoe design, Micropump gear pumps are engineered to deliver peak performance in any application with flow rates to 42 L/min (11.1 gpm).

Product(s) / Service(s): external gear pumps
Source / Origin of Design: unknown
Contact Information:
1402 NE 136th Avenue
Vancouver, WA 98684-0818
Office Phone: (360) 253-2008
Voice Mail: (360) 253-3220
General Fax: (360) 253-8294
Sales Fax: (800) 222-9565
View internet links for Micropump >>>

Gorman Rupp Industries

Gorman Rupp gear pump range overview PDF.

Product(s) / Service(s): gear pumps
Source / Origin of Design: unknown
Contact Information:
180 Hines Ave.
Bellville, OH 44813
Phone: 419-886-3001
Fax: 419-886-2338
View internet links for Gorman Rupp Industries >>>

Haight Pumps

Durable and versatile internal gear pump design is easily adaptable to a broad array of application requirements. Available in 1-8gpm, 10-40gpm, and 44-80gpm.

Product(s) / Service(s): internal gear pumps
Source / Origin of Design: unknown
Contact Information:
133 Enterprise Street
Evansville, WI
53536
Fax 608-882-3777
Toll Free 800-871-9250
View internet links for Haight Pumps >>>

Oberdorfer

Gear pumps, centrifugal pumps, etc.
Product(s) / Service(s): Gear pumps, centrifugal pumps, etc
Source / Origin of Design: gears and bodies form materials used in process industries
Contact Information:
Not Available
View internet links for Oberdorfer >>>

Albany Pumps

Versatile general purpose pumps capable of handling the widest variety of viscous liquids together with simple robust design ensuring ease of maintenance.

Product(s) / Service(s): gear pumps
Source / Origin of Design: unknown
Contact Information:
The Albany Engineering Company Limited
Church Road, Lydney, Gloucestershire
GL15 5EQ, England
View internet links for Albany Pumps >>>

Liquiflo

Liquiflo will custom engineer our pumps to suit your specific needs.

Product(s) / Service(s): Positive Displacement Sealed and Mag-Drive Gear Pumps
Source / Origin of Design: unknown
Contact Information:
Liquiflo
443 North Avenue
Garwood, NJ, 07027
USA
tel:908.518.0666
fax:908.518.1847
View internet links for Liquiflo >>>

Applied Pumps Ltd.

With many years of pump and fluid handling experience in the firm we are able to offer friendly advice, main fluid equipment and spare pump parts for all situations.

Product(s) / Service(s): gear pumps
Source / Origin of Design: unknown
Contact Information:
Applied Pumps  Ltd.
Unit 3, Grassy Court, Off Etwall Road
Burnaston, Derbyshire DE3 0BX
View internet links for Applied Pumps Ltd. >>>

Mahr Metering Systems Corporation

Mahr Metering Systems has been delivering the highest quality metering pumps for over 55 years. Mahr precision gear metering pumps maintain their high wear resistance and absolute dimensional stability, even at high temperatures and pressures.

Product(s) / Service(s): precision gear metering pumps
Source / Origin of Design: unknown
Contact Information:
1415-A Cross Beam Dr.
Charlotte, NC 28217
ph. 704.525.7128
fx. 704.525.8290
View internet links for Mahr Metering Systems Corporation >>>

Niagara Pump

Low Cost, High Quality Sanitary Gear Pumps

Product(s) / Service(s): sanitary polished stainless steel gear pumps
Source / Origin of Design: unknown
Contact Information:
Niagara Pump Corporation
199 Fire Tower Drive
Tonawanda, NY 14150-5890
Tel: 716.743.1400
Fax: 716.743.1411
View internet links for Niagara Pump >>>

Zenith Pumps

"Zenith Nichols" top end metering gear pumps - pulseless !! because spur gear type one of the COLFAX international high end pump group companies.

Product(s) / Service(s): Gear Pumps
Source / Origin of Design: unknown
Contact Information:
zenithpumps@coldfaxcorp.com
View internet links for Zenith Pumps >>>

Tuthill Corporation

Back pull-out design provides ease of maintenance. Flow rates to 550 usgpm (124.9 m3/hr). Pressures to 200 psi (13.8 bar). Viscosities to 1,000,000 ssu (220,000 cst).

Product(s) / Service(s): GlobalGear Gear Pump
Source / Origin of Design: unknown
Contact Information:
representation locator on web site
View internet links for Tuthill Corporation >>>

Rexroth Bosch Group

Rexroth Bosch group internal gear pumps.

Product(s) / Service(s): Internal gear pumps
Source / Origin of Design: unknown
Contact Information:
Maria-Theresien-Str. 23
97816 Lohr am Main, Germany
Telephone: +49 (0)9352-18 0
Fax: +49(0)9352-18 3972
View internet links for Rexroth Bosch Group >>>

Voith Turbo GmbH & Co.

Voith Turbo manufactures drive systems, that efficiently drive and move machinery, on land and at sea, safely, reliably and comfortably propel vehicles, save energy and reduce emissions.

Product(s) / Service(s): Hydrostatic Pumps, Internal Gear Pumps
Source / Origin of Design: unknown
Contact Information:
Voith Turbo GmbH & Co. KG
Voithstrasse 1
74564 Crailsheim, Germany
View internet links for Voith Turbo GmbH & Co. >>>

Rotan

Rotan internal gear pumps are widely used in industry for pumping chemicals, oils, and all kinds of liquids. The Rotan GP is a low cost pump typically used for oils. The HD series is specially designed for difficult applcations including high viscosity liquids such as asphalts and chocolates. PD models are designed for refinery and petrochemical plants pumping liquids such as fuel oil. CD series are ideal for corrosive liquids, chemicals and food processing. MD ( Magnetic Drive) is a sealess pump for hazardous or hard to seal liquids.

Product(s) / Service(s): gear pumps
Source / Origin of Design: unknown
Contact Information:
DESMI INC.
2551 Eltham Ave.
Suite G
Norfolk, VA 23513
Phone: (757) 857-7041
Toll Free: 1 800 64 DESMI
Fax: (757) 857-6989
View internet links for Rotan >>>

Pulsafeeder

Gear Chem - external gear - alloys and PTFE a unit of PulsaFeeder.

Product(s) / Service(s): Alloy gear pumps offering versatility in chemical services.
Source / Origin of Design: unknown
Contact Information:
2883 Brighton-Henrietta Townline Road
Rochester, NY 14623
Tel: (585) 292-8000
Fax: (585) 424-5619
View internet links for Pulsafeeder >>>

Casappa

Gear pumps and motors made of cast iron in two pieces. A rigid and compact structure that makes it possible to incorporate a number of functions in a limited space. Wide range of displacements: from 0.30 in³/rev (4,95 cm³/rev) to 9.20 in³/rev (150,79 cm³/rev) available in groups 20, 30 and 40.

Product(s) / Service(s): Cast iron body hydraulic gear pumps and motors
Source / Origin of Design: unknown
Contact Information:
CASAPPA S.p.A.
Via Balestrieri, 1
Cavalli di Collecchio
Parma - ITALY
VAT N.: 00717660344
Ph.: +39-0521-304111
Fax: +39-0521-804600
View internet links for Casappa >>>

Verder

The Verder Group includes a large number of wholly owned and joint venture partnership companies. These provide a wide range of products and services, varying from supplying single products to turnkey solutions and from specialized technical assistance and temporary staffing to consulting.

Product(s) / Service(s): internal gear pumps
Source / Origin of Design: unknown
Contact Information:
Verder B.V.
Utrechtseweg 4A
NL-3451 GG  Vleuten
Tel +31 (0)30 6779211
Fax +31 (0)30 6771402
View internet links for Verder >>>

Imo Pump

Pumps are available in single and double configurations.  The double pumps have a common inlet port and two independent discharge ports.  Pumps can be provided in a number of staging arrangements allowing very high pressure capability or high pressure at low viscosity. 

Product(s) / Service(s): Hydraulic Gear Pumps
Source / Origin of Design: unknown
Contact Information:
contact form available on web site
View internet links for Imo Pump >>>

Flowserve

The Flowserve GAX cast iron series, double-helical, herringbone type gear pumps are designed to handle viscous fluids at low to medium flows and pressures. These rugged pumps provide highly efficient, pulse-free pumping even under the most challenging conditions.

Product(s) / Service(s): Cast Iron, Double Helical, Rotary Gear Pumps
Source / Origin of Design: Unknown
Contact Information:
Flowserve World Headquarters
5215 N. O'Connor Blvd., Suite 2300
Irving, TX 75039
Phone: (972) 443-6500
Fax: (972) 443-6800
View internet links for Flowserve >>>

Bowie

Bowie rotary gear pumps

Product(s) / Service(s): gear pumps
Source / Origin of Design: Unknown
Contact Information:
Not Available
View internet links for Bowie >>>

Entees

ENTEES pumps are used in fuel oil application like boiler, burner, furnaces, phf unit, lubrication systems, booster pump for diesel locomotive etc. "Entees" gear pumps are known in the national & international market for quality and timely delivery ever since & continue to do so.

Product(s) / Service(s): gear pumps
Source / Origin of Design: Unknown
Contact Information:
Not Available
View internet links for Entees >>>

Honor

Houston TX High Pressure Gear Pumps

Product(s) / Service(s): Gear Pumps
Source / Origin of Design: Unknown
Contact Information:
Not Available
View internet links for Honor >>>

Roper

Roper positive displacement pumps, progressive cavity pumps. helical gear pumps

Product(s) / Service(s): positive displacement pumps, progressive cavity pumps. helical gear pumps
Source / Origin of Design: Unknown
Contact Information:
View internet links for Roper >>>


Wikipedia Gear Pump

Gear pumps use the meshing of gears to pump fluid by displacement. They are one of the most common types of pumps for hydraulic fluid power applications. There are two main variations; external gear pumps which use two external spur gears, and internal gear pumps which use an external and an internal spur gear. Gear pumps are fixed displacement, meaning they pump a constant amount of fluid for each revolution. Some gear pumps are designed to function as either a motor or pump.
As the gears rotate they separate on the intake side of the pump, creating a void and suction which is filled by fluid. The fluid is carried by the gears to the discharge side of the pump, where the meshing of the gears displace the fluid. The mechanical clearances are small—on the order of a thousandth of an inch (micrometres). The tight clearances, along with the speed of rotation, effectively prevent the fluid from leaking backwards.

The rigid design of the gears and housing allow for very high pressures and the ability to pump highly viscous fluids.
Many variations exist, including; helical and herringbone gear sets (instead of spur gears), lobe shaped rotors similar to superchargers, and mechanical designs that allow the stacking of pumps. The most common variations are shown below (the drive gear is shown blue and the idler is shown purple).

Pump formulas:
Flow rate in US gal/min = Displacement X rpm/231 (displacement in in3/revolution)
Power in hp = US gal/min X (lbf/in³)/1714
Gear Pump

Gear 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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