The gear pump was invented around 1600 by johannes kepler. You immediately receive a project drawing pdf format if. Fluid shall be carried between gear teeth and shall be displaced when the gear teeth mesh. No changes needed to piping, driver, coupling, flow rates or baseplates. The internal gear pump is exceptionally versatile and also capable of handling thick fluids. Internal gear pumps internal gear pumps operate by drawing fluid into the pump inlet between the rotor large exterior gear and idler small interior gear teeth, operating with a gearwithinagear principle. 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. Do not operate nordson gear pumps without hot melt material. To verify the compliance of an high pressure application with a threaded ports pump apply to a turolla ocg representative. Internal gear pumps manufacturing company in india. When solids are present in the fluid they may act as abrasives, causing damage to the gears and increasing downtime. For use with these gear pumps are a complete range of mechanical. Displacement d the displacement of a rotary gear pump is the volume displaced during one complete. This bidirectional flow characteristicis one of the many advantages inherent to gear pumps.
Series diu round hub pumps series diu square flange pumps series diu double pumps series us stainless pumps series ub bronze pumps mag drive gear pumps barrier seal pumps. Troubleshooting guide troubleshooting guide part 1 problem possible cause corrective action no. Series d hydraulic gear pumps technical information. Instruction manual topgear gs internal gear pumps read and understand this manual prior to operating or servicing this product. During flushing and loading there is a bypass function around the gearwheels, in parallel to an internal flushing of gearwheels and shafts. Rexroth external gear pumps are available as standard gear pumps in the 4 series of b, f, n and g and as silence gear pumps in the series of s, t and u, in which the displacements are graded by different gear widths. Group 1 gear pumps technical information table of revisions date page changed rev.
Positive displacement, hydraulic gear pumps available in single or multiple pump format and can be supplied with integral relief valve, with a complete range of reversible units and gear motors to compliment the range of hydraulic pumps and motors for all types of heavy plant, agricultural and commercial equipment. It may be calculated from the physical dimensions of the gears, or it. Find here online price details of companies selling internal gear pump. 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. Conventional metering pumps, whether reciprocating. Another important advantage of the gear pump is its selfpriming capability. Gear pump abbs precision paint pumps are specifically designed for fast color change.
Each individual pump is preset for rear connection to one or more pumps by interposition of the appropriate coupling flange. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Standard gear pumps to view a gear pump, please click on the name below or use the bookmarks in your pdf software. The gear pump was invented around 1600 by johannes kepler gear pumps are also widely used in chemical installations to pump high viscosity fluids. P315p330p350p365 gear pumps and motors php manufactures bushing gear pumps and motors to the highest quality and durability for the most demanding applications. Numerous improvements have been made to the straightforward and robust design. The internal gear pumps are available in various sizes and pressure levels from 3. Steady and pulseless flow both types, but in particular internal gear pumps, provide a smooth, constant flow as their gears roll in the same.
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 flange pumps version a. Tandem and multiple pumps are available worldwide in more than variants. 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. They work with just one gear stage, and thanks to their. They are used in wide variety of applications including industrial, agricultural, marine, domestic, and commercial apartments. Avoid a continuous motorpump speed of more than 80 rpm to prevent excessive wear. This understanding has evolved over the years until the terms metering and reciprocating pump have nearly become synonymous. High working pressures flange and cover in aluminium or on request, cast iron. The gear pumps serve to feed hot melt and other similar materials. Advances in the manufacturing process have made it poss. External gear pump overview michael smith engineers.
Therefore they are an excellent answer for the most demanding applications. The series covers pumps of different size, equipment and designs. The pumps can be used for low speed operation with pulseless flow. Make sure the tank is filled before switching on the motor. Kanflu offer the rexroth and voith ranges of internal gear pumps. What is an internal gear pump and why do you need it. Fluidotech ig series positive displacement internal gear pumps are designed to work in harsh environments, with unfiltered, abrasive fluids and in a wide temperature and viscosity range. Dayton 1 lightduty bronze rotary gear pump head, pedestal. The qx pumps are the 5th generation of bucher internal gear pumps, which have proven themselves in thirty years of service around the world. Gear pumps can be either external or internal and vary in design and operation. As an added benefit, g series pumps and spare parts are designed to be direct replacements for viking h, hl, k, kk, l, lq and ll internal gear pump models.
Internal gear pumps are primarily used in nonmobile hydraulics e. Gear pumps are either external or internal based on their design and operation. To return to this page, please click on the red text in the top corner of each page. Troubleshooting guide troubleshooting guide part 1 problem possible cause corrective action. The straightforward and rugged construction guarantees long service life without the need for extensive maintenance. Group 2 gear pumps technical information bibus slovakia. Introduction and contact details tfp50 group 12 gear pumps tfp0nn 3. Infinity pumps offer these tuffgear pumps at competitive prices, as they themselves are internal gear pumps manufacturer in india. The rotation of the gears is such that the liquid comes into the inlet port and flows into and around the outer periphery of the two. We frequently build and assemble pump unit assemblies, or skids as they are sometimes called. The useful viscosity range of an internal gear pump is from 1cps to over 1,000,000cp.
Factory set gear pumpheads overview of gear pumps flow rates and models flow rates mlmin bar model page min. The snp2nn pump accommodates sae 9tooth and the skp2nn is a. Gear pumps are also widely used in chemical installations to pump high viscosity fluids. A gear pump uses the meshing of gears to pump fluid by displacement. G series pumps are interchangeable with up to 95% of the internal gear pumps currently available in the market. The external gear pump uses two identical gears rotating against each other one gear is driven by a motor and it in turn drives the other gear. Internal gear pumps internal gear pumps are exceptionally versatile. Internal gear pumps operate by drawing fluid into the pump inlet between the rotor large exterior gear and idler small interior gear teeth, operating with a gearwithinagear principle. Internal gear pumps are a positive displacement technology, very well suited for harsh environments. With the unique shaft cleaning function, fast and outstanding cleaning results are achieved.
Rexroth external gear pumps are available as standard gear pumps in the 4 series of b, f, n and g and as silence gear pumps in the series of s, t and u. Turollaocg gear pumps and motors are ideal for a wide range of applications for. For use with these gear pumps are a complete range of mechanical power. External gear pumps utilize two identical gears with external teeth to generate flow. Gear pumps are capable of selfpriming because rotating gears evacuate air in the suction line. A gear pump uses two meshing, toothed cogs to force water from the inlet of the pump through to the outlet.
They typically consist of a northern heavy duty gear pump, electric motor, shaft coupling, and coupling guard, mounted on a unit base. External gear pumps are usually available with either spur gears, making them too bidirectional, or herringbone gears, which are for particularly viscous fluids but do not allow reversible flow. Precise by design, they deliver accurate and repeatable performance, a smooth flow and a pressure up to 18 bar 260 psi. One rotor of internally cut gear teeth will mesh with one externally cut gear. Fixed displacement internal gear pumps providing low operating noise, low flow pulsation and high efficiency even at low speed and viscosity due to radial and axial sealing gap compensation.
Rexroth external gear pumps are available as standard gear pumps in the 4 series of b, f, n and g, and as silence gear pumps, in which the displacements are graded by different gear widths. Dayton rotary gear pumps feature self priming and positive displacement, designed to handle high vicious fluids. Our internal gear pumps are characterised by extremely low noise levels, low pulsation and a very large speed range. This technology will provide robust performance, low pulsation, good life, predictable and variable flowrate. Get info of suppliers, manufacturers, exporters, traders of internal gear pump for buying in india. Gear pump components pump unit assembly northern pump is a full service gear pump manufacturer. The pressure balanced design of the pumps provides high efficiency for the entire series. The pumps are ideal for use with variable speed drives over a very wide speed range and for operation in reverse mode. 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. Further configuration variants are given by different flanges, shafts, valve arrangements and multiple pump combinations. Group 3 gear pumps technical information bibus hidrotos. Smaller body than the external gear pumps that supplies the same values, positive suction and non pulsating discharge, ideal for highviscosity liquids because they work at low speeds, adjustable end clearance, easy to maintain, long life, temperature range oc. Our gears are produced to precise tolerances with a true involute profile along the tooth thus maximising volumetric efficiency. Internal gear pump eips2 type eips2 with constant displacement volume technical data.
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