lobe pump discharge pressure

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  • Troubleshooting Rotary Lobe Pumps | Pumps & Systems

    2019-8-8 · 2. The lobes rotate, moving fluid trapped in the cavities between lobe tips. 3. The lobes mesh, forcing fluid contained in the lobe cavities into the discharge nozzle of the pump. Model Maximum Capacity Maximum Capacity Per 100 Revolutions Maximum Working Pressure (Differential) Rated Speed gpm m3/hr gallons cu. meters psi bar (rpm)

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  • POSITIVE DISPLACEMENT ROTARY LOBE PUMPS

    2009-11-7 · LobeStar engineers will specify the proper pump and speed requirement for your ap- plication ranging from 200-300 RPM’s for abrasive applications to 500-600 RPM’s in non abrasive applications. Contrast this for wear rate to centrifugal pumps which commonly operate at 1750 RPM’s.

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  • Positive Displacement Rotary Lobe Pumps

    2014-11-19 · Excessive discharge pressure • Valves are closed or there is an obstruction in the discharge pipework. • A strainer of filter is clogged. • Pumped media viscosity is higher than expected. • Discharge pressure is higher than calculated. Excessive temperature • Too high process temperature. • Increase in ambient temperature.

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  • Problem Solving - Positive Displacement Pumps

    Rotary Lobe Pumps are reliable thanks to its hygiene design, capable of pumping without damaging liquid’s structure, and depending on liquid’s viscosity, Rotary Lobe Pumps have the ability of generating pressure up to 12 Bar.

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  • LOBE PUMP – Yildiz Pompa

    2021-3-1 · The amount of slip in a rotary lobe pump is determined by two factors, the viscosity of the fluid being pumped and the pump’s differential pressure. To the first point, as fluid viscosity increases the amount of slip decreases, since more viscous fluids cannot slip back past the clearances in a pump’s lobes as readily as can thin fluids.

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  • Rotary Lobe Pump: What Is It and How Does It Work?

    1999-2-1 · One disadvantage with the use of rotary lobe pumps is the unsteady displacement process which produces pressure pulsations, specifically in long and rigid pipelines and non-compressible liquids. The result is vibration of pump and piping, which increases the risk of cavitation on the suction side.

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  • Rotary Lobe Pumps - JEC LTD High Pressure Rotary

    2006-1-3 · Lobe pump capacities range from 0.01 to more than 1,000 gpm (0.02 to >227 m 3 /hr). Units can handle viscosities from 28 to 2,000,000 SSU (1 to 440,000 cSt) and frequently deal with temperatures up to 400°F (204°C).

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  • Sanitary Lobe Pump Guide - Chocolate Applications -

    The discharge pressure of our Lobe Pump is up to 15 Bar. Lobe Pumps have accurate flow control ranging from 0.04 to 2.5 l/rev Can be fitted with a variety of connection types, heating or cooling jackets, air or spring loaded integral safety valves, as well as the option of Bi-Wing Lobe Design or Quattro Lobe …

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  • Rotary lobe pumps for hygienic pump duties |

    Lobe Pump Discharge. The fluid is transported around the channel by the rotor lobes and is displaced as the lobes re-mesh, generating pressure at the discharge port. Pump output is directly proportional to speed and direction of flow is reversible.

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  • Pump Practices: Keep Lobes in Mind - Chemical

    2006-1-3 · So for those applications requiring near-zero pulsation, select a pump with multi-lobe rotors and operate it at the lowest discharge pressure possible. Where higher pressures are necessary, a pulsation dampener may be warranted on critical applications. Shaft support Pressure capabilities depend upon the type of shaft support provided.

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  • Industrial Rubber Rotary Lobe Pump | Tapflo Pumps UK

    Industrial Rubber Rotary Lobe Pump. The MG Rotary Lobe Pump is a series of positive displacement, self-priming Industrial Rubber Lobe Pumps with a reversible rotary design and features rubber lobes perfect for the transfer of viscous, fibrous, abrasive and solids laden products. The range covers 9 models with capacities up to 300 m³/hr, discharge pressures up to 5 bar, suction lifts up to 5 m ...

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  • ROTARY LOBE PUMP, JRZL – PT. Fantasi Rekasembada

    ROTARY LOBE PUMP, JRZL. You can always be sure of the greatest possible hygiene. ... The pressure relief valve protects the system from pressure peaks or restrictions in the discharge, providing a pressure relief valve loop from discharge to the suction areas. Ultra Clean Pumps.

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  • LOBE PUMP – Yildiz Pompa

    Lobe pumps rotate clockwise when observed from coupling side. This direction is demonstrated with an arrow label placed on pump. By running for a very short period, pump rotation direction should be checked for following direction of the arrow. Lobe pumps can be operated in revert direction.

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  • Alfa Laval - Rotary lobe pumps

    2021-5-8 · Alfa Laval SX Rotary lobe pump Premium multi-lobe SX pump meets the highest standards in the food, beverage and dairy industries. Originally developed for the biotech and pharmaceutical industry it is the best choice for maintaining the integrity of delicate products.

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  • LOBE GEAR PUMP - Parker-Hannifin Corporation

    The pump assembly 10 optionally includes a pilot-operated bypass valve 60 to control pressure in the lobe gear pump chamber 20 by allowing high pressure fluid to be rerouted from the lobe gear pump outlet 24′ back to the inlet 22′ of the lobe gear pump chamber 20 as best shown in FIG. 3.

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  • The Basics of Blowers | Pumps & Systems

    2019-9-20 · The following items impact the efficiency of blowers: Temperature rise: Temperature rise is the difference between the inlet temperature and the discharge temperature.The increase in temperature is caused primarily by the heat of compression according to the gas laws—plus inefficiencies within the blower and slip, which is internal recirculation and friction.

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  • Rotary Pumps Flashcards | Quizlet

    Why is the discharge pressure of a herringbone gear pump steadier than the discharge pressure of a simple spur gear pump? a) Clearance between the gear teeth and casing is smaller. b) The gear teeth are smaller than those of the simple spur gear pump. c) One discharge phase begins before the previous discharge phase has been completed.

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  • Lobe Pumps | SRSINTLDIRECT | Lobe Pumps are a

    If the discharge port is restricted – such as discharging a large volume of air into an engine’s intake manifold – then pressure is created in the discharge space. A lobe pump itself does not compress the material it pumps. Lobe pumps are frequently used in food applications because they handle solids without damaging the product.

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  • Rotary Lobe Pumps Liquid Handling Pumps |

    2021-5-4 · Discharge Pressure: 116.0 Discharge Size: 1.500 to 3.000 View Datasheet Rotary Lobe Positive Displacement Pump -- MDL (Medium Duty Lobe) Series from Waukesha Cherry ... No other rotary lobe pump on the market today offers such a wide range of features in one pump. The 26 DW models are hygienic, 3-A and EHEDG approved and cover all requirements ...

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  • Industrial Rubber Rotary Lobe Pump | Tapflo Pumps UK

    Industrial Rubber Rotary Lobe Pump. The MG Rotary Lobe Pump is a series of positive displacement, self-priming Industrial Rubber Lobe Pumps with a reversible rotary design and features rubber lobes perfect for the transfer of viscous, fibrous, abrasive and solids laden products. The range covers 9 models with capacities up to 300 m³/hr, discharge pressures up to 5 bar, suction lifts up to 5 m ...

    Get Price
  • Lobe Pump - tpub.com

    LOBE PUMP. The lobe operation as pump uses the same principle of the external gear pump described. Figure 4-7.—Lobe pump. previously. The lobes are considerably larger than gear teeth, but there are only two or three lobes on each rotor. A three-lobe pump is illustrated in figure 4-7. The two elements are rotated, one directly driven by the source of power, and the other through timing gears.

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  • Lobe Pump - Lobe Pump Exporter, Manufacturer &

    Finally the product liquid is forced or pressed out of discharge port of the pump in continuous smooth flow and pressure generated by the meshing of the lobe rotors . MICROTECH ENGINERING Lobe pumps are used in a variety of industries including, pulp and paper, …

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  • Rotary Lobe Positive Displacement Pumps | Products ...

    2021-5-11 · Description: The DW series is SPX's latest technology rotary lobe pump range. No other rotary lobe pump on the market today offers such a wide range of features in one pump. The 26 DW models are hygienic, 3-A and EHEDG approved and cover all requirements from 3 Maximum Discharge Pressure: 73 to 435 psi; Pump Type: Rotary Lobe Pumps

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  • S.R. Positive Rotary Lobe Pump (trilobe) - S. R. Industries

    The other lobe chamber is filed with the product liquid and about to commence it’s discharge cycle. Finally the product liquid is forced or pressed out of discharge port of the pump in continuous smooth flow and pressure generated by the meshing of the lobe rotors.

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  • Rotary Lobe Pumps - JEC LTD High Pressure Rotary

    JEC rotary lobe pumps are versatile for various applications. Easy to install and maintain than any other lobe pumps available currently. JEC lobe pumps are certified by EHEDG & 3A. Rotary lobe pumps are field interchangeable to various lobe types. Rotary lobe pumps are available with thermal jacketing option for front plate and pump casing.

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  • Alfa Laval - Rotary lobe pumps

    2021-5-14 · Alfa Laval SX Rotary lobe pump Premium multi-lobe SX pump meets the highest standards in the food, beverage and dairy industries. Originally developed for the biotech and pharmaceutical industry it is the best choice for maintaining the integrity of delicate products.

    Get Price
  • (PDF) A newly developed rotor profile for lobe pumps ...

    2020-11-28 · A lobe pump gets its name from the rounded shape of the rotor radial surface s that permit s the rotors to remain in con- tact with each other as they rotate.

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  • Sanitary Lobe Pump Guide - Chocolate Applications -

    The discharge pressure of our Lobe Pump is up to 15 Bar. Lobe Pumps have accurate flow control ranging from 0.04 to 2.5 l/rev Can be fitted with a variety of connection types, heating or cooling jackets, air or spring loaded integral safety valves, as well as the option of Bi-Wing Lobe Design or Quattro Lobe …

    Get Price
  • Positive Displacement Rotary Lobe Pumps

    2015-7-1 · greatly as the always touching gears in a gear pump. • Rotary lobe pumps can often handle higher pressures • Pump shaft support bearings are located in the gearbox, and since the bearings are out of the pumped liquid, pressure is limited by bearing location and shaft deflection.

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  • ROTARY LOBE PUMP, JRZL – PT. Fantasi Rekasembada

    ROTARY LOBE PUMP, JRZL. You can always be sure of the greatest possible hygiene. ... The pressure relief valve protects the system from pressure peaks or restrictions in the discharge, providing a pressure relief valve loop from discharge to the suction areas. Ultra Clean Pumps.

    Get Price
  • Rotary Lobe Pump Advantages and Applications -

    2017-11-22 · The correct type of rotary lobe pump will handle the material with care. Another advantage of these pumps are the continuous discharge. For the most part, they are not influenced by the system pressure and will maintain a continuous and constant flow of material.

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  • Lobe Pump - Working , Advantages , Disadvantages ,

    Lobe Pump – Working , Advantages , Disadvantages , Application Lobe Pump – Construction The operation of lobe pump shown in Fig. is similar to that of external gear pump, but they generally have a higher volumetric capacity per revolution. The output may be slightly greater pulsation because of the smaller number of meshing elements.

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  • Lobe pump - Wikipedia

    2021-3-18 · A lobe pump, or rotary lobe pump, is a type of positive displacement pump.It is similar to a gear pump except the lobes are designed to almost meet, rather than touch and turn each other. An early example of a lobe pump is the Roots Blower, patented in 1860. to blow combustion air to melt iron in blast furnaces, but now more commonly used as an engine supercharger.

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  • Reinventing The Positive Displacement Lobe Pump ...

    2014-6-1 · This past year, OCOR manufactured a four lobe rotor prototype in order to test the pump’s viability. Over a series of controlled tests, at shaft speeds from 300 RPM to 1120 RPM, the pump demonstrated over 81% displacement efficiency in the transport of both liquid and gas material.

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  • LOBE GEAR PUMP - Parker-Hannifin Corporation

    The pump assembly 10 optionally includes a pilot-operated bypass valve 60 to control pressure in the lobe gear pump chamber 20 by allowing high pressure fluid to be rerouted from the lobe gear pump outlet 24′ back to the inlet 22′ of the lobe gear pump chamber 20 as best shown in FIG. 3.

    Get Price
  • Positive Displacement Pumps - an overview |

    The discharge flow from an actual positive displacement pump is intermittent. The pressure in the discharge pipe therefore contains many higher harmonic components. Equation (5.8) is valid for a single frequency. It is therefore necessary to check for resonance not only at the fundamental frequency but also at higher harmonics.

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  • Lobe Pump Repeatedly Blowing Rupture Disc -

    2019-5-22 · The reactor and the emulsion tank are at equal elevations, with a lobe pump used as the means of conveyance between the two. A rupture disc is on the discharge side of the lobe pump, and recirculates back to the emulsion tank. Between the lobe pump and the reactor are a check valve and an automatic valve. The disc is set for 115 psig.

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