The kracht gear pump size kf 0 is especially suitable for these applications. Excessive noise and vibration suction andor discharge piping not anchored or properly supported anchor per hydraulic institute standards. All units are suitable for build into multiple pumps. Having as few as 12 teeth the width of the individual tooth is only 1. A gear pump uses the meshing of gears to pump fluid by displacement. Pump body waterborne hardened steel 6crnimoti17 22k cleaning adapter plastic. The external gear pump uses two identical gears rotating against each other one gear is. Ap212 and ap300 frame sizes improving power density due to wide range of displacements from 15 to 54. A screen can be located in front of the gear pump if needed to. The rotary gear pump merits consideration because it overcomes many of the problems encountered with reciprocating metering pumps and is generally much less expensive.
The pump characteristics and the standard pump casing materials offered can be seen from the characteristic curve diagram and the tables shown below. The design of the internal gear pumps, series qxeh, is completely focused on high customer benefits. Customers are advised to use mineral hydraulic oils with antifoaming, antioxidant, corrosionproof characteristics, and with high viscosity rate. Pump flow can be varied by varying input speed with pulleys, a gear reducer. Outline of the gear pump a gear pump is a kind of rotary pump and is defined as a positive displacement pump. Fluid shall be carried between gear teeth and shall be displaced when. Gear pumps galtech group 2 start pumps 12 tooth gears and consequent decrease in noise levels. 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. Standard gear pumps to view a gear pump, please click on the name below or use the bookmarks in your pdf software. Introduction and contact details tfp50 group 12 gear pumps tfp0nn 3. Gear pump components pump unit assembly northern pump is a full service gear pump manufacturer. The pump body is comprised of two housing components. The tap4nn gear pump is available in a displacement range from 60.
Sauerdanfoss high performance gear pumps are fixed displacement pumps which consist of the pump. Gear pumps are roughly classified into external and internal gear types. Magnetically coupled gear pump series 2030 5030 3 20. The pump is so named because it has two gears that are sidebyside or externalto each other. 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. They typically consist of a northern heavy duty gear pump, electric motor, shaft coupling, and coupling guard, mounted on a unit base. Galtech gear motor parts galtech gear motors galtech gear pump parts galtech group1 gear pumps galtech group2 gear pumps. 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. Group 2 gear pumps technical information total hydraulics bv. 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. This gather dosing pump is the smallest magnetic drive gear pump of product series 1. They work with just one gear stage, and thanks to their. We offer the range of galtech alloy gear pumps which are available in 34 displacements, divided into 4 groups. This positive displacement technology is well suited for a broad range of applications from metering, to.
The grading of the total of 8 nominal sizes makes it easier to set the desired dosing ratios. Suitable for applications where the pressure is lower than. The shafts with fixed gears are assembled in the cover and housing, supported by sleeve type bearings. 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. Displacements range from 0,9 to 120 ccrev and up to 320 bar maximum working pressure. You receive the price of the con figured external gear unit upon request. Flange and cover in aluminium or on request, cast iron. For vertical suction lift should pump run dry between uses, rewet pump or use foot valve. 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. Each pump can be assembled whether with standard flanges. Magnet drive external gear pump fluidotech magnet drive gear pumps deliver extremely accurate, pulseless flow, are sealless, selfpriming and reversible. For pump head information, see pump headinformation see page 61 within this cd.
Positive displacement gear pumps have excellent suction lift characteristics and are self priming when wetted. The pumps are ideal for use with variable speed drives over a very wide speed range and for operation in reverse mode. If the pressure plate hangs during removal, do not force or bend the plate. Making these units the most flexible in todays cost minded market. The fine gearing with a high number of teeth guarantees a lowpulsation volume flow. The kf 0 is an external gear pump with flow rates of 0. Pumps are available with cast iron flanges and covers to reduce noise level. Base not rigid enough tighten holddown bolts on pump and motor or adjust stilts. Model 1,2 ccmrev 3,0 ccmrev 6,0 ccmrev length 189 200 200 118. Misalignment longcoupled pump align pump and motor. The sep3nn gear pump is available in a limited displacement range from 22. One rotor of internally cut gear teeth will mesh with one externally cut gear. Internal gear pump, fixed displacement type pgh frame size 4 and 5 component series.
They are one of the most common types of pumps for hydraulic fluid power applications. The pg series magnet drive gear pumps are compact precision performance pumps built to address those applications where the liquids involved are difficult to handle and working solutions are hard to find requiring a great financial investment. 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. Pumping nonlubricating liquids is tantamount to running the pump dry. One of galtechs specialties is designing and manufacturing hydraulic gear pumps. Our focus on important strategic markets such as trucks, construction equipment and. Group 1, 2 and 3 gear motors technical information. In re cent years we have focused on important markets, such as materials handling. Pumps and gear motors galtech is specialized in pumps production from group 1 to group 3, divided into 29 displacements. 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. En 624 kb sauerdanfoss group 1 gear pumps catalogue en. Pumps are available with cast iron flanges and covers version to reduce the loudness level.
Internal gear pump eips2 type eips2 with constant displacement volume technical data. When lifting, install check valve on suction line to keep flooded suction. It may be calculated from the physical dimensions of the gears, or it. The term positive displacement for gear pumps describes the fixed amount of fluid they move for each revolution. When cleaning or performing maintenance, please remove power from the drive. The pumps are ideal for use with variable speed drives. Each individual pump is preset for rear connection to one or more pumps by interposition of the appropriate coupling flange. 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. Pumps are available with optional cast iron front flange and rear cover for noise reduction and higher.
The pump which you purchased is of the external gear type. Concentric is one of the worlds leading manufacturers of hydraulic pumps. The mk20s wide range of output flowspressure ratings of up to 3000 psi and. The gears are optimized to reduce noise and pulsation during operation. 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 standard snp2 pumps are offered throughout the given range of displacements. The ap250hp cast iron gear pump mix the best part of. The rotary gear pump is an alternative that should not be o verlooked for low to moderatepressure 100 psig or less applications. Pumps with integral relief valve snp2en and snp2in. Pdf an investigation of external gear pump efficiency. The gear pump was invented around 1600 by johannes kepler gear pumps are also widely used in. We frequently build and assemble pump unit assemblies, or skids as they are sometimes called. The gather magneticdrive gear pump is a hermetically sealed process pump. 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. Displacement d the displacement of a rotary gear pump is the volume displaced during one complete. This page will introduce you to gear pumps, applications that use gear pumps, and the use of powder metal for producing pump gears. Galtech group2 gear pumps hyspecs hydraulic au shop.