A general seal selection guide is included, together with various operating parameters. Typical problems and their effect on rotary lobe pumps 4. Vogelsang rotary lobe pumps satisfy the stringent requirements of the mineral oil and petrochemical industry. The rotors are located on shafts, which in turn are mounted within an external gearbox and supported by bearings. Stallkamp rotary lobe pumps erich stallkamp esta gmbh. The sanitary designs break down further depending on the service and specific sanitary requirements. A wide variety of rotary lobe pump options are available to you, there are 794 suppliers who sells rotary lobe pump on, mainly located in asia. A highly flexible pump range that provides versatile application possibilities. Lobe contact is prevented by external timing gears located in the gearbox. Pulsation problems in rotary lobe pumps sciencedirect. The rotating lobes create expanding volumes on the inlet of the pump where the fluid flows into the cavity and is trapped and carried around by the lobes to the outlet of the pump. All rotors are available in three temperature ratings allowing the pump to be operated at maximum process temperatures of 70 c, cand 200 cforboth. China rotary lobe pump,sanitary rotary lobe pump,stainless. Rotary lobe pumps are noncontacting and have large pumping chambers, allowing them to handle solids such as cherries or olives without damage.
Rotary pumps or rotary lobe pumps use the principles of rotation to create a vacuum which draws fluid into the pump. How correct system design and installation can avoid potential problems 5. The range of topwing rotary lobe pumps are manufactured by spx process equipment, sweden, and are sold and marketed by a network of authorized distributors. The operating principle is based on the counterrotation of 2 rotors in a chamber. Tornado industrial rotary lobe pump systems netzsch pumps. Contents 2 sru1 universal pump parts list 3 sru1 universal pump exploded view drawing. The slr pump is a positive displacement rotary lobe pump with sanitary design suitable for use in the dairy, foodprocessing, beverage, cosmetics, pharmaceutical and fine chemicals industries.
In jabsco lobe pumps, each rotor is supported on its own shaft and there are no bearings inside the pump c h a m b e r, so all forces from the fluid pressure are transmitted through the shafts to external bearings. Rotary lobe pumps offer continuous and intermittent reversible fl. Rotary lobe pumps are field interchangeable to various lobe types. The manufacturer can tell you which certifications, if any, their rotary lobe pump meets. This ensures a good pump performance and reliability is obtained. The lobes mesh, forcing fluid contained in the lobe cavities into the discharge nozzle of the pump. Jec rotary lobe pumps are available with various lobe options single lobe, biwing, tri lobe, multi lobe, helical lobe and ultra clean lobe. It can be used with ease as a selfpriming pump with reversible pumping direction. Rotary lobe pumps houston, tx borger rotary lobe pumps tx. A rotary vane pump is a positivedisplacement pump that consists of vanes mounted to a rotor that rotates inside of a cavity. The sx range has a universal gearbox design in series sx1 4. Rotary lobe pumps are available with thermal jacketing option for front plate and pump casing. Vogelsang is the market leader in the design and manufacture of rotary lobe pumps and systems. Wright flow technologies rotary lobe pumps viking pump canada.
S pecial feature pulsation problems in rotary lobe pumps one disadvantage with the use o f rotary lobe pumps is the unsteady dis proc wb c l oduceslz sure speaflcally in long and rigid pipelines and noncompressible liquids. The tornado rotary lobe pump is a positive displacement pump. Our core component is the patented rotary lobe pump. Currently comprised of five models, more than 25 different sizes, a wide variety of drive variants, and a comprehensive range of features and options, the rotary lobe pumps in the vx series are unbeatable. A tornado rotary lobe pump fastened onto a mobile base this is the netzsch tornado mobile. Consistent performance, minimal risk of contamination. Rotary lobe pumps offer superb sanitary qualities, high efficiency, reliability, corrosion resistance, and good cleaninplace and steriliseinplace cipsip characteristics. Rotary lobe pump overview rotary lobe pumps can be found in a wide variety of industries, from sanitary markets like food and beverage, to less than sanitary markets like wastewater treatment. A lobe pump is a rotary positive displacement pump. With its robust construction, each pump is developed for a different type of demand and meets high standards of quality and reliability.
Sru rotary lobe pumps are designed with features that maximize performance and minimize the risk of contamination. When wet, rotary lobe pumps have selfpriming capabilities. Rotary lobe pumps innovative, efficient, versatile vogelsang. The vx series the versatile rotary lobe pump from vogelsang. Pump sizing how to size an alfa laval pump from productfluid and. Pdf on sep 4, 2012, jurgen schiffer and others published cfdcalculation of the fluid flow in a rotary lobe pump evaluation of a numerical model based on measurement results find, read.
Rotary lobe pumps work by fluid flowing around interior of the casing, and these pumps can run dry or wet. They can handle high viscosity fluids and solids without damaging them. Transport and logistics product overview and applications compact, maintenance friendly and reliable the powerful loading and unloading rotary lobe pump. With thousands of pumps in use around the world users agree. The lobes mesh, forcing fluid contained in the lobe cavities into the discharge nozzle of. The top countries of suppliers are china, india, and japan, from which the percentage of rotary lobe pump supply is 99%, 1%, and 1% respectively. Oct 01, 2014 in this post, well discuss the rotary lobe pump, how it functions, and whether or not it fits your application. Do not subject rotary lobe pumps to rapid temperature changes, as pump seizure can result from thermal shock. Spare parts sru rotary lobe pump sp70772gb3 200002. The drawing shown indicates various parts of the pump unit.
It is similar to a gear pump except the lobes are designed to almost meet, rather than touch and turn each other. This sanitary lobe pump is perfect for managing all kinds of fluid, of either low or high viscosity, as well as for filtering and bottling applications. The slrt pump is a positive displacement rotary lobe pump designed to discharge food and sanitary products from a truck cistern as it can be driven by a. Rotary lobe pumps can often handle higher pressures. They are in fact suitable for pumping any wwtp sludge which has had the hard solids over 18 and most grit removed for flows up to 2000 gpm and pressures up to 150 psi. Fluid enters from the suction nozzle of the pump and begins filling the lobe cavities. An early example of a lobe pump is the roots blower, patented in 1860. Rotary lobe pumps vogelsang pdf catalogs technical. In addition, rotary lobe pumps are more energy efficient than centrifugal pumps. Rotary lobe pump rotary lobe pump exporter, importer. A lobe pump, or rotary lobe pump, is a type of positive displacement pump.
The lobes rotate, moving fluid trapped in the cavities between lobe tips. Rotary lobe pumps xylem pdf catalogs documentation. The concept of mounting the equipment onto a car or truck trailer makes it possible to pump large quantities of fluids with solid content, wastewater and slurries at the most unusual of sites. The pumping action is generated by the contrarotation of two rotors within the pump. Rotary lobe pumps can handle higher abrasiveness because the lobes dont touch, abrasion will not affect operation as greatly as the always touching gears in a gear pump. Originally developed for the biotech and pharmaceutical industry it is the best choice for maintaining the integrity of delicate products. The pump must not be allowed to support any of the pipework weight beyond the limits set as shown in the following table. Do not put the pump into operation if the rotor case of the pump has not been fitted and the lobe rotors fixed in the pump. Rotary lobe pumps have the flexibility to be used for a wide variety of applications, including the transfer of food and drink, where product shear and damage would be a problem due to the gentle pumping action and large pumping cavity. Rotary lobe pumps best price rotary lobe pumps bph pumps. The rotary lobe pump is robust and surprisingly powerful given its compact dimensions. Rotary lobe pumps range from industrial designs to sanitary designs. At our head office in borkenweseke, we design, produce and sell pumps, chopping units and entry technology for pumping low to highly viscous and abrasive media.
This means that our rotary lobe pumps are extremely durable, even under heavy strain, and can take high flow rates while keeping maintenance costs to a minimum. In some cases these vanes can be variable length andor tensioned to maintain contact with the walls as the pump rotates types the simplest vane pump is a circular rotor rotating inside of a larger circular cavity. For over 80 years, weve been responsible for the major innovations and advances in positive displacement rotary lobe pump design. A gentle pumping action minimizes product degradation.
Wasterwater sludge applications, lobepro rotary pumps. Flameproof three phase induction gear motor flp,rpm 700,2 hp. Through the pump s robust construction the shaft overhang and clearance in the pump have been minimized. Buy rotary lobe pumps for sale in perth, western australia. For even more demanding hygienic and ultraclean duties, alfa laval offers the sx rotary lobe pump.
This instruction manual contains necessary information of the topwing pumps and must be read carefully before installation, service and maintenance. Our rotary lobe pumps are typically used to pump sludge to and from thickeners, separators such as belt presses, centrifuges, rotary presses, digesters, clarifiers. Lobe pumps jabsco rotary lobe pumps super hygienic jabsco rotary lobe pumps hygienic 24 series hygienic positive displacement pump the 24 series range of positive displacement rotary lobe pumps is a proven design spanning over 20 years. The pumping action of the rotary lobe pump principle is generated by the counter rotation of two pumping elements rotors within a chamber rotor case. Spare parts sru rotary lobe pump harco enterprises. The pump s compact design and the rigid shaft geometry reduce the risk of galling to an absolute minimum. Rotary lobe pumps hygienic pumps ultima55 series ultra hygienic positive displacement pump for ultra hygienic markets ultima55 series. The range of toplobe rotary lobe pumps are manufactured by spx process equipment, sweden, and are sold and marketed by a network of authorized distributors. Rotary lobe pump capacity to 76 m3hr 333 usgpm pressure to 15 bar 218 psi viscosity to 440,000 cst 2,000,000 ssu temperature to 150c 300f. This enables the flexibility of mounting pumps with the inlet. In the rotary lobe pumps the rotors rotate in an opposite direction without contact with each. Rotary lobe pumps work especially well with highly viscous liquids, delivering a continuous output of flow. Our rotary lobe pumps are designed for low, medium and highviscosity media and offer gentle pumping action and reliable performance.
They also have advantages over centrifugal pumps because of their ability to handle small diameter solids and abrasives, and ability to pump a measured flow at a constant pressure at any pump rpm with low shear with little or no pulsation. The gea hilge novalobe range has thus been designed for a differential pressure of up to 16 bar. For paints, dyes, food and the like, rotary lobe pumps are ideal. Alfa laval sx rotary lobe pump premium multi lobe sx pump meets the highest standards in the food, beverage and dairy industries. The result is vibration of pump and piping, which immases the risk of cavitation on the suafon side. The packo boarotorflo rotary lobe pump is designed specifically for the food, beverage, medical and pharmaceutical industries. The sx pump is a positive displacement rotary lobe pump. If wetted, rotary lobe pumps offer excellent selfpriming performance. This instruction manual contains necessary information of the toplobe pumps and must be read carefully before installation, service and maintenance.
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