Outline of the gear pump a gear pump is a kind of rotary pump and is defined as a positive displacement pump. Our focus on important strategic markets such as trucks, construction equipment and. While they are often used on thin liquids such as solvents and fuel oil, they excel at efficiently pumping thick liquids such as asphalt, chocolate, and adhesives. This nomenclature differentiates it from an internalgear pump, which has one gear. When cleaning or performing maintenance, please remove power from the drive. Pump body waterborne hardened steel 6crnimoti17 22k cleaning adapter plastic. Displacement d the displacement of a rotary gear pump is the volume displaced during one complete. The mk20s wide range of output flowspressure ratings of up to 3000 psi and. En 624 kb sauerdanfoss group 1 gear pumps catalogue en. The kf 0 is an external gear pump with flow rates of 0. This positive displacement technology is well suited for a broad range of applications from metering, to. Sauerdanfoss high performance gear pumps are fixed displacement pumps which consist of the pump.
Gear pumps galtech is specialized in the production of external gear pumps from group 1, group 2 and group 3 sizes, divided into 29 displacements from 0. Customers are advised to use mineral hydraulic oils with antifoaming, antioxidant, corrosionproof characteristics, and with high viscosity rate. Ap212 and ap300 frame sizes improving power density due to wide range of displacements from 15 to 54. The high operating pressure and speed combined with the large number of displacements, mounting options and port configurations make these units ideal for single and multiple pump and motor applications. It is used in the chemical and pharmaceutical industry, water management and medical technology applications primarily for the pulsationfree conveying and dosing of nonlubricating liquids such as, for example, water, aqueous liquids, salt solutions, acid, caustic. Pump flow can be varied by varying input speed with pulleys, a gear reducer. E n g i n e e r i n g gear pump basics the external gear pump is a positive displacement pd type of pump generally used for the transfer and metering of liquids. Made to give the same high level of performance as the mg300 series, the pg300 series gear pumps are built in a special grade of pps to offer the. Internal gear pump eips2 type eips2 with constant displacement volume technical data. Making these units the most flexible in todays cost minded market.
Gear pumps galtech group 2 start pumps 12 tooth gears and consequent decrease in noise levels. Magnetically coupled gear pump series 2030 5030 3 20. They are one of the most common types of pumps for hydraulic fluid power applications. Rated size ng 005 006 008 011 0 016 019 022 025 spec. External gear pumps work external gear pumps are similar in pumping action to internal gear pumps in that two gears come into and out of mesh to produce flow. They typically consist of a northern heavy duty gear pump, electric motor, shaft coupling, and coupling guard, mounted on a unit base. Positive displacement gear pumps have excellent suction lift characteristics and are self priming when wetted. The kracht gear pump size kf 0 is especially suitable for these applications. For pump head information, see pump headinformation see page 61 within this cd. Each individual pump is preset for rear connection to one or more pumps by the interposition of the. The rotary gear pump is an alternative that should not be o verlooked for low to moderatepressure 100 psig or less applications. Suitable for applications where the pressure is lower than.
Galtech gear motor parts galtech gear motors galtech gear pump parts galtech group1 gear pumps galtech group2 gear pumps. The shafts with fixed gears are assembled in the cover and housing, supported by sleeve type bearings. Group 1, 2 and 3 gear motors technical information. Model 1,2 ccmrev 3,0 ccmrev 6,0 ccmrev length 189 200 200 118. Base not rigid enough tighten holddown bolts on pump and motor or adjust stilts. You receive the price of the con figured external gear unit upon request. Pumps and gear motors galtech is specialized in pumps production from group 1 to group 3, divided into 29 displacements. Excessive noise and vibration suction andor discharge piping not anchored or properly supported anchor per hydraulic institute standards. One rotor of internally cut gear teeth will mesh with one externally cut gear. Pumps are available with cast iron flanges and covers version to reduce the loudness level.
Displacements range from 0,9 to 120 ccrev and up to 320 bar maximum working pressure. Fluid shall be carried between gear teeth and shall be displaced when. This gather dosing pump is the smallest magnetic drive gear pump of product series 1. Group 2 gear pumps technical information total hydraulics bv. The pump body is comprised of two housing components. An investigation of external gear pump efficiency and stribeck values article pdf available in sae technical papers 8 september 2012 with 2,547 reads how we measure reads. Price list 2015 a1 pumps gear pumps galtech group 1 start pumps each individual pump is preset for rear connection to one or more pumps by the interposition of the appropriate coupling flange. The pump characteristics and the standard pump casing materials offered can be seen from the characteristic curve diagram and the tables shown below. We frequently build and assemble pump unit assemblies, or skids as they are sometimes called. Galtech group2 gear pumps hyspecs hydraulic au shop.
The fine gearing with a high number of teeth guarantees a lowpulsation volume flow. Having as few as 12 teeth the width of the individual tooth is only 1. Magnet drive external gear pump fluidotech magnet drive gear pumps deliver extremely accurate, pulseless flow, are sealless, selfpriming and reversible. Pump model hg050 hg075 hgioo hg125 hg150 hg200 hg 250 inlet outlet 12 x 12 34 34 112 x 112 20 30 50 75 110 225 350 51 63 5 64.
Pumps are available with cast iron flanges and covers to reduce noise level. The pump is so named because it has two gears that are sidebyside or externalto each other. The sep3nn gear pump is available in a limited displacement range from 22. A screen can be located in front of the gear pump if needed to. Each individual pump is preset for rear connection to one or more pumps by interposition of the appropriate coupling flange. Gear pumps are often used in tandem with singlescrew extruders to increase rate, decrease resin consumption, improve process stability, decrease extruder discharge pressure, and decrease the. The pump which you purchased is of the external gear type. Gear pumps are roughly classified into external and internal gear types. Pumping nonlubricating liquids is tantamount to running the pump dry.
It may be calculated from the physical dimensions of the gears, or it. The rotary gear pump merits consideration because it overcomes many of the problems encountered with reciprocating metering pumps and is generally much less expensive. We offer the range of galtech alloy gear pumps which are available in 34 displacements, divided into 4 groups. Standard gear pumps to view a gear pump, please click on the name below or use the bookmarks in your pdf software. The standard snp2 pumps are offered throughout the given range of displacements. Each pump can be assembled whether with standard flanges. For vertical suction lift should pump run dry between uses, rewet pump or use foot valve. The pumps are ideal for use with variable speed drives over a very wide speed range and for operation in reverse mode. The gears are optimized to reduce noise and pulsation during operation. Concentric is one of the worlds leading manufacturers of hydraulic pumps.
Pumps are available with optional cast iron front flange and rear cover for noise reduction and higher. Introduction and contact details tfp50 group 12 gear pumps tfp0nn 3. Rotary gear pumps finds wide application in power plant, steel mills, refineries, oil storage instolations etc. A gear pump uses the meshing of gears to pump fluid by displacement. This page will introduce you to gear pumps, applications that use gear pumps, and the use of powder metal for producing pump gears.
The design of the internal gear pumps, series qxeh, is completely focused on high customer benefits. Misalignment longcoupled pump align pump and motor. Internal gear pump, fixed displacement type pgh frame size 4 and 5 component series. The external gear pump uses two identical gears rotating against each other one gear is. Pumps with integral relief valve snp2en and snp2in. In re cent years we have focused on important markets, such as materials handling. They work with just one gear stage, and thanks to their. One of galtechs specialties is designing and manufacturing hydraulic gear pumps. If the pressure plate hangs during removal, do not force or bend the plate. The ap250hp cast iron gear pump mix the best part of. Flange and cover in aluminium or on request, cast iron.
When lifting, install check valve on suction line to keep flooded suction. To return to this page, please click on the red text in the top corner of each page. Gear pump components pump unit assembly northern pump is a full service gear pump manufacturer. The gear pump was invented around 1600 by johannes kepler gear pumps are also widely used in. Pdf an investigation of external gear pump efficiency. Lobee gear pump operation and maintenance instructions for lobee gear pumps lubrication it is of utmost importance that a gear pump never be run dry. The tap4nn gear pump is available in a displacement range from 60. The term positive displacement for gear pumps describes the fixed amount of fluid they move for each revolution. Internal gear pump overview internal gear pumps are exceptionally versatile. Products combination of extruder and gear pump for your.
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