Use this model code to specify a pump with the desired features. It may be calculated from the physical dimensions of the gears, or it. When using a gear pump a pressure relief valve must be fitted to protect the pump if deadheaded against a closed valve or blockage. As such we provide you with vane pumps of the same level of quality and warranty conditions as the factory does. 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. Gear pump division kings mountain, north carolina usa 5 catalog hy090500us. Attempting to replace the pump shaft packing can cause serious problems. Thanks to patentpending bearing technology, it delivers a greater volume of oil faster, more efficiently, and with a higher shift point than other pumps. Gear pump components pump unit assembly northern pump is a full service gear pump manufacturer. Speed rpm motor size 400 0 400 800 1200 1600 2000 27 6. We highly recommend to use genuine denison hydraulics spare parts only in order to ensure smooth operation and longer service life. Figure 3 shows some examples of external gear pumps.
The series 26 gear pump has been designed to retrofit equipment using the b1 and b2 gear pumps. Pumps eaton delivers unmatched functionality and durability for both industrial and mobile systems with one of the most extensive offerings of hydraulic pumps on the market. 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. The gear pump is equipped with a selfsealing pump shaft packing. They typically consist of a northern heavy duty gear pump, electric motor, shaft coupling, and coupling guard, mounted on a unit base. This page will introduce you to gear pumps, applications that use gear pumps, and the use of powder metal for producing pump gears.
Gear pumps how does a gear pump work dultmeier sales. The higher the viscosity of the liquid being pumped, the lower the speed of gear pump required. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. To return to this page, please click on the red text in the top corner of each page. They are one of the most common types of pumps for hydraulic fluid power applications. Hydraulic gear pump and motor failure analysis and repair guide. The pump design and product range have matured over many years and in combination with radicon excellence, represents an. Eaton s26 and l2 gear pumps feature a multiplesection design that is compatible with other eaton gear and piston pumps, providing you a compact and easytoinstall option that can accommodate multiple functions. Remember, at central qld hydraulics, we take any old pumps and motors that are preserved well, replace their damaged parts to make them go on doing their outstanding work as new pumps and motors. External gear pumps can come in single or double two sets of gears pump configurations with spur shown, helical, and herringbone gears. Tests were run with the oil reservoir temperature at 120f, viscosity of 150 sus at 100f.
Gallons at 2500 psi output gpm speed rpm pump size 0 300 600 900 1200 1500 1800 2100 2400 27 6. One rotor of internally cut gear teeth will mesh with one externally cut gear. If tightening is no longer possible, the gear pump must be replaced. The fluidotech ig series positive displacement gear pump has been designed to handle viscous fluids with impurities in suspension and temperatures up to 200 c 392 f whilst delivering a smooth flow. Hydraulic gear pump and motor failure analysis and repair guide page 2 of 32 alamo industrial 1502 e walnut st, seguin, tx 78155. They work with just one gear stage, and thanks to their. Group 2 gear pumps technici al information 77c 33m 55k 50c 100y 66m 88y 66m 88y 5 turolla l1016341 september 20 rev c pump design turolla 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. A gear pump uses the meshing of gears to pump fluid by displacement. The liquid is forced out the discharge port by the meshing of the gears. Internal gear pump, fixed displacement type pgh frame size 4 and 5 component series. Gear pumps are a positive displacement pump and are a very good choice for transferring viscous or highly viscous liquids. Vane pump assembler, we guarantee the use of original parts and components. Installation x20 420 series eaton pumps, kit 9900194008 pupiti006e2 nov 2017 publication date.
Rotary gear pump selection guide rotary gear pumps are positive displacement pumps that are commonly used for liquid circulation, lubrication, pressure boosting, filtering, medium pressure spraying, sump draining, drum and vat filling, and general fluid transfer applications. The pump which you purchased is of the external gear type. Hypr212, hypr212mx, hypr212mx, hypr212mxlh hydraulic rotary pumps harken has developed a 2speed rotary pump with both automatic and manual shift pointsa first in the industry. As the gears come out of mesh on the inlet side, liquid is drawn into the pump. Excessive noise and vibration suction andor discharge piping not anchored or properly supported anchor per hydraulic institute standards. Eaton gear products combine state of the art more throughput. All 29 digits of the code must be present to release a new product number.
For pump head information, see pump headinformation see page 61 within this cd. These pumps have a large selection of materials to cover a wide variety of chemical processing applications. Fluid shall be carried between gear teeth and shall be displaced when the gear teeth mesh. Eaton has the perfect pump for the most demanding hydraulic applications, in a variety of sizes and operation pressures.
Roloid gear pump 1 introduction the roloid gear pump is robust, compact and versatile. Base not rigid enough tighten holddown bolts on pump and motor or adjust stilts. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. At irregular intervals, hot melt material can leak out of the packing. Misalignment longcoupled pump align pump and motor. Take, for example, a system that runs a 16 cm3 gear pump at 1450 rpm, and, say, the system pressure cant go higher than 100 bar because the pump is severely wornout.
External gear pump overview michael smith engineers. Issue 5 section 1 standard gear pumps to view a gear pump, please click on the name below or use the bookmarks in your pdf software. The flow output of the pump is equal to the rotational speed rpm times the displacement. Ig series gear pumps gear pump, vane pump, peristaltic pump. The new pump combines parkers advanced engineering and manufacturing capabilities to deliver a rugged pumping solution for stationary, mobile, and high vaporpressure fluid applications. Gear pumps are roughly classified into external and internal gear types.
Outline of the gear pump a gear pump is a kind of rotary pump and is defined as a positive displacement pump. Displacement d the displacement of a rotary gear pump is the volume displaced during one complete. It is easy to install, extremely reliable, and requires little maintenance during service. Demonstrative drawing of the pz2 type gear pump structure. P fa lined gear pump 1 typical uses and applications liquiflos pfalined gear pump is an excellent choice for inorganic acids, bases and salts, that are difficult to handle with or require expensive alloys in metallic pumps, such as. Gear pumps are also widely used in chemical installations to pump high viscosity fluids. We frequently build and assemble pump unit assemblies, or skids as they are sometimes called. When cleaning or performing maintenance, please remove power from the drive. S u r p l u s c e n t e r li n c ol n, e 6 8 5 2 8 rev0415 eaton cessna 25500 series pumps series l2 pump.
The moment you buy a gear pump from spx process equipment, johnson pump brand, you will join thousands of industrial customers who rely on our pump technology. Ac tooth 1632 spline, 2 rtng ring grooves, min full spline 36. Plus, optional relief and priority control valves ensure reliability. Hypr212, hypr212mx, hypr212mx, hypr212mxlh hydraulic rotary pumps. The prv can be piped back to the suction side of the pump or into the supply tank. 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. Internal gear pumps generate flow using a gear with externallycut teeth contained in and meshed with a gear with internallycut teeth.