External gear pumps can also be used in hydraulic power applications, typically in vehicles, lifting machinery and mobile plant equipment. When a hydraulic pump operates, it performs two functions. Hydraulic pump motor division hydraulic flow is developed as the pump rotating group is driven by a prime mover hydraulic pump basics fluid is forced out of pump at the pump outlet a partial vacuum is created at the pump inlet and atmospheric pressure forces fluid into pump from the reservoir. Overview sauerdanfoss gear pumps and motors are ideal for a wide range of applications for. The gear pump was invented by johannes kepler in 1600 around. Rexroth external gear pumps are available as standard gear pumps in. Rotation options rotation options are clockwise or counterclockwise as viewed from the shaft end or birotational. They are ideal for presstype applications requiring fast approachretract speeds and slower peak actuator work speeds because of horsepower limitations or safety constraints. The technical characteristics are in compliance with the pumps of 10, 20 and 30 groups for more details, please see the catalogue. Suitable for use in a wide variety of material handling, agricultural, and construction. High durability, long life, and high efficiency are features of these pumps, which, when combined with the low noise characteristics of the helical gear pumps, make them highly suitable for modern machinery. Bosch rexroth has been involved with the design, development and manufacture of gear pumps for many decades. Series hydraulic pumps are compact, external gear models for use in pumping fluids with lubricating qualities.
Buy gear pump china with high quality free call at 00864006303018. Pdf this paper addresses methodological and applied issues to design spur gear pumps. Gear pumps,hydraulic pumps,hydraulics, dowty gear pump new, dowty p4000 series gear pump. Slip a series, c series, and d series hydraulic pumps. These types of pumps uses gear mechanism for the transportation of fluids. If pump flow is totally blocked, sudden failure of the pump or other component will occur. Gear pump in circuit this typical circuit shows an snp2nn gear pump driving an snm2nn gear motor through a system pressure control valve. Discharge from the gear motor is then returned to the reservoir through a. Oilpower gear pumps are available for industrial use in different sizes flow of 1. A hydraulic pump is a mechanical source of power that converts mechanical power into hydraulic energy hydrostatic energy i. Extra shafts, porting, and mounting configurations, as well as available displacements, give you the choices you need for an easy conversion to this superior pump. Gear pumps are widely used in modern hydraulic systems due to their high.
Oilpower has wide range of gear pumps for mobile and industrial use. Hydraulic gear pumps and motors airline hydraulics. We developed these pumps with 100% indigenous raw material and proven manufacturing process. Ifp model series p315 p330 p350 p365 gear width inches 12. Introduction sauerdanfoss high performance gear pumps are fixed displacement pumps which consist of the pump housing, drive gear, driven gear, du bushings, rear cover and front flange, shaft seal and inner outer seals, as shown in the section drawing on page 6. Gear pumps hydraulic pumps, motors, professional hydraulic. Parker hydraulic motors deliver excellent performance with high efficiency, true wear. All birotational pumps include directional check valves. The series 26 gear pump has been designed to retrofit equipment using the b1 and b2 gear pumps. P3031, p50 tm 51, p7576 tm series single and multiple. In most cases, each pump is isolated from its neighbour, i. Prince manufacturing corporation products hydraulic pumps.
Hydraulic gear pump jp 102030 series we will do our best to meet customers need through higher technology and excellent quality. Useful information on gear pumps michael smith engineers. Our engineers have a unique understanding of the capabilities of hydraulic gear pumps that enables them to go beyond the traditional limits to meet specific application needs. Operate the unit in an environment where both the following conditions are satisfied. Over many years parker hydraulics has supplied gear. For detailed information on a particular product, please consult the specific technical manual for that product. Hydraulic pumps are used in hydraulic drive systems and can be hydrostatic or hydrodynamic. Gear pumps index contents page technical information 2 high pressure gear pumps 3 p1b0 group 1 din mount 3 p2b0 group 2 din mount 4 p2b2 group 2 bosch mount 5 p2a0 saea 2 bolt mount 6 p3a0 saeb 2 bolt mount 8 double pumps 10 group 2 rear pumps 10 joining kits. The rotating action of the pump, therefore, results in a flow of hydraulic oil from the pump which is dependent on the size of the gear teeth and the rotational speed of the pump shaft. Pdf computer aided parametric design of hydraulic gear pumps. Gpm hydraulic equipment is directly interchangeable with the other internationally recognized sae pumps and motors.
Hydraulic gear pump gpf20 technical data gpf20 is a high pressure hydraulic gear pump with cast iron end caps and an aluminum housing. The p series pumps normally will not require servicing during the life of the vehicle in which it is. Numerous shaft, bearing, mounting and seal options are available. Our planetary and worm gear winches, swing drives, auger drives, slewing ring bearings, rotators, gearboxes, and modular hydraulic pump drives are renowned for reliable operation and longlasting performance, even under the toughest conditions. Hydraulic gear pumps k35 casappa pdf catalogs technical. The tap4nn gear pump is available in a displacement range from 60. This manual includes the pump s general descriptions, hydraulic schematics, technical specifications, servicing and troubleshooting procedures for the pumps. External gear pumps can come in single or double two sets of gears pump configurations with spur shown, helical, and herringbone gears. P315p330p350p365 gear pumps and motors hydraulic pump.
Use only clean fluid in the pump and hydraulic circuit. In pump displacement terms, we are referring to the amount of oil flow a pump produces with each complete rotation of its input shaft. First, its mechanical action creates a vacuum at the pump inlet which allows atmospheric pressure to force liquid from the reservoir into the inlet line to the pump. Horsepower is proportional to pump rpm at constant differential pressure friction losses a function of flow squared volume displacement is directly proportional to pump rpm. The pump is so named because it has two gears that are sidebyside or externalto each other. Hydraulic elements and systems gear pumps catalogue book 1.
Displacement d the displacement of a rotary gear pump is the volume displaced during one complete. 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. Hydraulic gear pumps for the past 50 years, shimadzu gear pumps have achieved total customer satisfaction through high ef. The sp20b pump now utilizes selflubricating thrust blocks that eliminate the need for separate wear plates. Resistance downstream due to hose size, adapter fittings, elbows and system valves will restrict the flow from the pump, thus resulting in pressure. Salami gear pumps are available with displacements from 1. Eaton gear products combine state of the art more throughput.
For highpressure applications, birotational pumps are supplied with a. Bearing or bushing bearing unit series p15h p37x p25x p20 p30p31 p50p51 p75p76 bearing od 1. How to identify hydraulic gear pump 1 type of gear support. A complete range of sizes is offered in gear, gerotor, vane and piston style operating configurations. To prevent leakage caused by the common crowning effect, permco shapes gears rather than hobbing and shaving them. Viking pump a unit of idex corporation cedar falls, ia 2010 section 341. Ce certified ksa 9001 iso 9001 certified joyang hydrotech co. Second, its mechanical action delivers this liquid to the pump outlet and forces it into the hydraulic system. Pressure quoted are relief valve maximum bypass performance with. Our gear pumps are used in wide range of applications, including material handling equipment, speciallyequipped vehicles, construction, and agricultural machinery. Gear products offers one of the largest product ranges of its kind anywhere.
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. This nomenclature differentiates it from an internalgear pump, which has one gear. Please contact your local hydraulic controls facility to speak with our knowledgeable staff to ensure you are selecting the correct pump or drive for your system. 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. To calculate hydraulic pipe line size, the designer can use. A gear pump is a positive displacement pump, meaning that whenever the pump is turning the pump must pump oil. Vincke hydraulic pumps back to index volver a indice. Vincke hydraulic pumps vincke integral hydraulic solutions. This new thrust block design also incorporates advanced bearings designed specifically for high pressure hydraulic pumps. The range of hydraulic gear pumps is available in single or multiple pump format and can be supplied with integral relief valve. We can see the gear sets for all three sections and the input drive shaft. They are made from a high strength aluminum alloy with exceptional antigalling properties.
The hydreco hydraulics pump range includes helical gear and spur gear pumps together with cast iron and aluminium bodies. Delta pumps are designed to provide greater torque efficiencies especially at high speeds. Systems with variable speed servo pumps are amortized in a short timeframe in most cases, within 1 to 2 years. P series hydrostatic pumps service and repair manual. Hydraulic gear pump and motor failure analysis and repair. Hydraulic gear pumps concentric is a specialist in hydraulic gear pump products and offers one of the widest range of gear pumps in the industry. The gear pump manufacturing gpm worldwide office is located in cape town south africa and has specialized in the manufacture and assembly of sae mounted cast iron hydraulic gear pumps, piston pumps and associate components since 1985. Eaton ternal ear pump d series pcc01 december 14 7 model code double pump the following 29digit coding system has been developed to identify standard configuration options for the external double gear pump. Hydraulic gear pump of grh features floating bush structure with the function of automatic axial clearance compensation. Hydraulic pump supplier, hydraulic pump manufacturer and gear pump supplier introduce. Parkers full line of high and low speed pumps provide power ranging up to 15,000 inchpounds of torque with speeds ranging from 12 rpm to,000 rpm. External gear pump overview michael smith engineers.
Use this model code to specify a pump with the desired features. Ronzio oleodinamica designs and produces aluminum hydraulic pumps and motors and pumps and hydraulic motors in cast iron all our products are manufactured inhouse on our production site with important advantages in terms of quality and realization and performance. Referring to the pump shown in the figure, the drive gear 1 drives round the. Bushings are made of galgech lowfriction and highresistant aluminium alloy and manufactured from diecasting that have excellent high strength and antifriction. Builtin valves for hydraulic gear pumps and motors download. It generates flow with enough power to overcome pressure induced by the load at the pump outlet. All 29 digits of the code must be present to release a new product number.
Hydraulic gear pump and motor failure analysis and repair guide. Using servo pumps can reduce the total cost of ownership tco for the hydraulic system by up to 35 percent. There are many factors to consider when choosing a pump for your system. A hydraulic pump is a mechanical source of power that converts the mechanical power of the prime mover into hydraulic energy. Select type standard pump pump with out board bearing tandem pump motor comes standard with ob bearing 4. Gears permco pumps are cut in our own plant to extremely close tolerances. Eaton external gear pump gd5 series epugecc001e december 2014.
It may be calculated from the physical dimensions of the gears, or it. 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. Gear pump is considered as one of the most important types of pumps among all hydraulic fluid transfer pumps. Each model is designed to operate as either a single rotation or birotational pump, depending on the application. Servo pumps reduce the energy consumption by up to 70 percent. Hydraulic pumps and motors catalogue parker hannifin. Accessories and integral valve options can increase the versatility of gear pumps, in some cases leading to substantial cost savings over systems using variabledisplacement pumps.
1206 496 1227 378 536 1251 1439 1284 439 821 1053 412 373 661 291 878 789 792 622 1322 1491 1486 1305 1264 1173 153 464 11 1111 1374 152 643 146 1360 772