Gear pump components pump unit assembly northern pump is a full service gear pump manufacturer. The pto is kicked out of gear when the pump lever is put into the lower position. The fine gearing with a high number of teeth guarantees a lowpulsation volume flow. Internal gear pump eips2 type eips2 with constant displacement volume technical data. There are options for detent of the lever contolling the pump and a pto kickout. Conventional metering pumps, whether reciprocating. One of the gears is driven and the other runs free. External gear pumps can come in single or double two sets of gears pump configurations with spur shown, helical, and herringbone gears. Prevent hot melt material from flowing out of the bores of the tank when the pump is removed. A gear pump uses the meshing of gears to pump fluid by displacement.
The grading of the total of 8 nominal sizes makes it easier to set the desired dosing ratios. Trw gear pump from dismantling the machine,the pump head of the gear pump is all aluminum alloy structure, and the inside is two steel gears. Gear pumps are a type of positive displacement pump, which move fluid by the operation of rotating gears with intermeshing teeth. Flow rate and operating pressures see table 3 performances. A vibrational study of gear pumps and gear pump drives matthew kulpa a thesis submiu. Centrifugal pumps develop pressure by increasing the velocity of the liquid liquid is literally flung out of the cutwater. They typically consist of a northern heavy duty gear pump, electric motor, shaft coupling, and coupling guard, mounted on a unit base.
The tuthill external gear pump also is very compact and has a very small pumping chamber that allows little room to collect vapors. Rotary gear pumps finds wide application in power plant, steel mills, refineries, oil storage instolations etc. This is because the hydraulic gear pump is one of the main components used in manufacturing, con. Our gears are produced to precise tolerances with a true involute profile along the tooth thus maximising volumetric efficiency.
The tuthill magnetically coupled external gear pump contains no valves allowing vapors to flow through the pump. Suitable for applications where the pressure is lower than. The valve can be ordered with a bracket for installation on an air seat. Kulpa, matthew, a vibrational study of gear pumps and gear pump drives 1991. For example, a gear pump generating 100 gpm at 780 rpm has an npsh r of 9. They are one of the most common types of pumps for hydraulic fluid power applications. Showing all 0 results low noise gear pump group 1 6,4ccrev s60603010. The 99701043 series towers come in either an 8 or tower.
China small gear pump manufacturers select 2020 high quality small gear pump products in best price from certified chinese pump manufacturers, water pump suppliers, wholesalers and factory on madein. Magnet drive gear pumps,gear dc pump,gear micro pump. If the pressure plate hangs during removal, do not force or bend the plate. A partial vacuum, created by the unmeshing of the rotating gears, draws fluid into the pump. Gear pumps, laboratory pumps, dosing pumps, metering pumps. A gear pump is a popular choice over a centrifugal pump in applications concerning the movement of quite viscous, clean fluids and where the installation is relatively high pressure. Gear pumps quick chart overview 300 250 200 150 100 50 0 0 10 20 30 40 50 displacement cm3rev p ressure psi p107 949e group 3 gear pump d series cast iron gear pump group 2 gear pump bar in 3rev 4000 3000 2000 0 0 1. Complete information about the range of mahr metering pumps and their specifications. It can be applied as delivering pump or booster pump in oil delivery system, as a. Gear pumps product categories hydronit americas page 4. The gears are ground and fine finished to achieve a high degree of surface finishing.
Gear pump basics positive displacement rotary gear pumps two gears of equal size drive shaft and gear are rotated by a motor or auxiliary motion shaft drive gear turns the driven shaft and gear. It delivers a smooth pulsefree flow proportional to the rotational speed of its gears. The tap4nn gear pump is available in a displacement range from 60. Gear pumps make good chemical additive dosing pumps provided material compatibility issues are addressed.
This understanding has evolved over the years until the terms metering and reciprocating pump have nearly become synonymous. Troubleshooting guide troubleshooting guide part 1 problem possible cause corrective action no discharge pump not primed verify suction pipe is submerged. The gear pump was invented around 1600 by johannes kepler gear pumps are also widely used in. Construction bronze rotary gear standard pump housings and helical gears are made of top quality bronze. Positive displacement pumps the most common type of gear pump is illustrated in figure 1. Compact design, low weight, solid construction and workmanship, antiwear coatings, application specific materials, sizes and seal variants, as well as numerous accessories and type of connections are additional reasons which make kracht gear pumps more than interesting for every user. Factory set gear pumpheads overview of gear pumps flow rates and models flow rates mlmin bar model page min. En 624 kb sauerdanfoss group 1 gear pumps catalogue en. Each individual pump is preset for rear connection to one or more pumps by interposition of the appropriate coupling flange. The pump contains memory enough to store 4 sets of operating parameters. We frequently build and assemble pump unit assemblies, or skids as they are sometimes called. Useful information on gear pumps michael smith engineers. Internal gear pump gear pump 70 50 40 0 10 sound pressure level db a operating overpressure bar 60 80 20 30 40 50 60 70 80 90100 32 supply volume lmin 90 4 45 1 gear pumps gear pumps 2 1,2 0,8 0 3 factor k operating over pressure bar 1,6 2,4 6 9 12 15 18 21 1,8 1 1,4 2,2 2,6 700 cst 380 cst 190 cst 68 cst 38 cst series fl 0,5.
External gear pump overview michael smith engineers. 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. Rated size ng 005 006 008 011 0 016 019 022 025 spec. The prv can be piped back to the suction side of the pump or into the supply tank. Pg0 series gear pumps gear pump 1 pg0series gear pumps specifications model number designation 1 rectangular mounting available in t. The gear pump size kf 0 is especially suitable for these applications. The snp2nn pump accommodates sae 9tooth and the skp2nn is a. Programming similar to plc 4 individual programs command sequences created in a pc can be stored in the pump.
Ip65rated washdown pump with stainless steel housing. Bronze rotary gear pumps installation, operation, and maintenance instruction introduction congratulations for choosing an oberdorfer pump, the industry standard for quality since 1890. Pump and motor division chemnitz, germany 5 heavyduty aluminium pumps and motors series pgp, pgm 500 pgp 500 pumps offer superior performance, high efficiency and low noise operation at high operating pressuresthe. The pressure balanced design of the pumps provides high efficiency for the entire series. Positive displacement pumps allow liquid to flow into an open cavity trap the liquid in the pump transport liquid from the suction to discharge port mechanically force liquid out of the pump. The kf 0 is an external gear pump with flow rates of 0. Ap212 and ap300 frame sizes improving power density due to wide range of displacements from 15 to 54. Internal gear pumps are rotary positive displacement pumps which move the same amount of fluid with each revolution of the shaft. The user can run the programs using the pump as a standalone unit operating modes. Abstract the paper comprises research results of the gear pump typical failures and their connection with symptoms observed.
One rotor of internally cut gear teeth will mesh with one externally cut gear. Rexroth external gear pumps are available as standard gear pumps in the 4 series of b, f. Defects classification pawel pietkiewicz chair of mechanics and machine design university of warmia and mazury in olsztyn k e y w o r d s. Pump body waterborne hardened steel 6crnimoti17 22k cleaning adapter plastic. Fluid shall be carried between gear teeth and shall be displaced when. Hydraulic gear pump hgp3af19rx2b for sale hydraulic gear pump hgp3af14rx2b for sale chinese deutsch espanol francais italiano portugues japanese korean arabic russian. Precise by design, they deliver accurate and repeatable performance, a smooth flow and a pressure up to 18 bar 260 psi. Whilst suited to this applications, we recommend screw pumps as a more efficient. A vibrational study of gear pumps and gear pump drives. The sep3nn gear pump is available in a limited displacement range from 22. External gear pump overview external gear pumps are a popular pumping principle and are often used as lubrication pumps in machine tools, in fluid power transfer units, and as oil pumps in engines.
This fluid is then transferred to the other side of the. Hydraulic internal gear pump nt3g25f, high pressure type. Gear pumps d series and xd series gear pumps technical. Group 4 gear pumps technici al information 77c 33m 55k 50c 100 66m 88 66m 88 5 turolla l1022465 september 20 rev b tap4nn 01ba pump design tap4nn the tap4nn gear pump is available in a displacement range from 60. Tap lightly with a soft nonmetallic hammer to drive the plate back down. China small gear pump, small gear pump manufacturers.
P315p330p350p365 gear pumps and motors php manufactures bushing gear pumps and motors to the highest quality and durability for the most demanding applications. The tuthill external gear pump is capable of pumping fluids with less than 0. The external gear pump consists essentially of a pair of gears supported in bearing. Bronze rotary gear pumps installation, operation, and. Flange and cover in aluminium or on request, cast iron. The moment you buy a johnson pump brand gear pump from spx process equipment, you will join thousands of industrial customers who rely on our pump technology. When using a gear pump a pressure relief valve must be fitted to protect the pump if deadheaded against a closed valve or blockage. Internal gear typical internal gear or gearwithinagear technology was invented in 1902 by the founder of viking pump, which is the worldleading provider of internal gear process pumps.
949 866 437 402 888 622 672 1402 1205 628 775 829 1143 64 2 315 1365 103 331 101 318 461 1278 230 952 1402 387 208 1032 1394 1505 1201 754 681 919 1402 134 1307 1132 847 457 1285 776 1205 157