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MAGNETIC DRIVE CENTRIFUGAL PUMPS
operations
A couple of magnets leads the operation of the pump; the outer magnet placed on the drive shaft transmits the motion to the inner magnet integrated with the impeller that is hermetically insulated. The pump impeller is not physically fixed to the drive shaft, seals are therefore eliminated and this consequently avoids leakages of the liquid drawn by the pump which are usually due to its wear and tear. The pump head is manufactured with few components, thus the maintenance of which becomes extremely easy. The materials used as standard are polypropylene (pp) and polyvinylidene fluoride (pvdf).
The pumps can’t run dry. Dirty liquids can reduce the pump life
Working temperatures: PP max 80°c / pvdf - ectfe max 90°c.
applications
DEBEM pumps are succesfully suitable for many different application fields such as: laboratory technique, medical equipments, photo processors, x rays film processors, laser beam systems, metal finishing machines, graphics, heat exchangers, aquariums, water treatment, filter units, chemical industry, galvanic industry.
MODELS AVAILABLE:
MAGNETIC DRIVE TURBINE PUMPS
MAGNETIC DRIVE SELF-PRIMING PUMPS
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These magnetic driven horizontal pumps can be used with aggressive liquids without risk of leakage.
Pump solutions are available in a wide assortment for all of the needs of the pump user.
General specifications:
Materials: PP, PVDF, Stainless Steel
Design: Single stage, self-priming
Threads: in accordance with ISO 68 standard
Flanges: in accordance with DIN 2501 standard
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Simple and versatile, the BM horizontal magnetic drive centrifugal pumps can be used with chemically aggressive liquids eliminating any risk of external leakage.
Thanks to the their magnetic coupling (transmission occurs by means of opposing magnets) and to the absence of rotating seals, this type of pump guarantees safe operation and the least possible maintenance. The pair of magnets in fact makes up the pump-motor connection: the shaft-motor magnet transmits rotary motion to the other magnet coupled to the impeller.
The liquids pumped must necessarily be clean, without the presence of suspended solids.
A wide variety of series versions are available with solutions for all industrial pumping needs.
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The Universal Mag Drive is the ideal sealing technology for critical liquid containment applications within Viking’s Universal Seal product line. It is dimensionally interchangeable with Viking's Heavy Duty bracketed and Universal Seal pumps, allowing for easy upgrade from packed or mechanical seals to sealless technology. The Universal Mag Drive’s hermetic, static sealed canister provides the highest level of liquid containment available by eliminating traditional dynamic shaft seals. It also eliminates housekeeping issues and downtime due to seal failure. This product is designed to handle a broad range of applications requiring continuous duty at pressures up to 200 PSI (14 Bar).
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Operation is similar to standard centrifugal pumps, except the impeller is driven with a magnetic coupling, eliminating the need for a shaft seal. Magnetic drive pumps must be used where a flooded suction exists. The corrosion resistant pump has dry run capabilities. Several flexible mounting and body discharge positions are available. The pump offers a low current draw and heat rise and has a quiet operation. NSF certified models are available.
Typical applications include film processors, laser and x-ray cooling systems, medical, scientific and laboratory equipment and silver recovery equipment.
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Verdermag mag drive pumps
The Verdermag series of pumps comprises the metallic Global models complimented by the non-metallic V-MD, GPMD, GLMD, TB and U Series, as well as the Global mag drive metallic series. The Verdermag range is therefore a complete, well-balanced series of magnetically coupled centrifugal pumps.
As with all series of Verdermag centrifugal pumps, current emphasis is on maximum interchangeability and quality improvements, hence all our products are covered by a two-year guarantee. Our motto is "simple by design."
Advantages Verdermag
• Zero leakage
• No mechanical seals or packed glands
• No external flushing systems
• Ensure a clean and safe operating environment
• Close coupled design
• No alignment required
• Increased Mean Time Between Maintenance
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The Verdermag pump series TB & U mag drives are developed as a result of thorough research. With thrust balancing (TB) and universal purpose pumps (U). The patented Thrust Balancing Design eliminates axial thrust bearings and provides the basis for a controlled internal environment. This design minimizes the issue of secundary containment by providing secondary bearings.
Features and benefits Verdermag drive pumps
Flows up to 300 m3/h, Head up to 110 m
Suitable for volatile liquids using non-metallic mag drive technology
Thrust balanced impeller
No axial bearing problem, no cavitation or entrained air in the fluid
Standard SiC replaceable wear parts
Particles cannot enter containment shell of inner magnet gap.
NPSHr is equal to standard sealed pumps
Best Efficiency Points are equal to standard sealed pumps
Simple maintenance
Wear rings work as secondary bearing to protect impeller/inner magnet assembly
Very good price-quality combination
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Diener Precision Pumps manufacture the highest quality and most accurate precision external magnetic drive gear pumps in the world. With flow ranges from 5 ml/min to 10 L/min our pumps are designed to give optimum performance over a wide range of applications.
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Viking Mag Drive® sealless internal and external gear pumps eliminate leakage and maintenance associated with shaft seals. For use with all hazardous/toxic fluids, hard-to-seal liquids and for 24/7 operations which cannot afford unscheduled downtime due to seal failure. Some models allow reversible direction of flow, and temporary run-dry capability. May be close-coupled to IEC or NEMA motors, or long-coupled with optional bearing carrier. ATEX conformity available.
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The newly developed Series MKP-Bio offers you an excellent solution for aseptic applications in the pharmaceutical, biotech, food industry and other sanitary processes. The pump has been developed and designed according to the EHEDG recommendations and takes in to account VDMA 24432 and EN 12462 standards.
Options:
• Internal bearing in tungsten carbide
• Diamond coated internal bearing
• Jacketed casing
• Temperature protection sensor PT-100 (recommended) to protect against dry running
• Double shroud system
• Special frame mounting
• Special O-ring material available on request (Viton®, EPDM, Silicone).
• Different suction - and discharge - connections available (clamp, T-I-Live, flange and buttweld)
Vertically mounted Magnetic Drive Pump with patented drive system.
The pump is totally self-draining through the suction connection eliminating requirement for additional flush drain and vent connections.
Due to the inherent design of the internal bearing lubrication and the gasket construction according to DIN 11864, the pump is deadspace free.
Specially designed flushing in the internal bearing guarantees excellent lubrication and cooling.
All wetted components meet a surface finish of min. 32ra standard, other finishes available on request.
All wetted corners are radiused for complete drainability.
All wetted surfaces are finished with a minimum 3° slope.
Microorganism cannot enter from the atmosphere into the pump.
CIP/SIP - able in place.
Reliable and easy assembly and reassembly.
For assembly and reassembly of the pump there is no special tool required.
All wetted materials are made of FDA approved components.
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The CMD series is a groundbreaking new series of sealless, non-metallic pumps specially designed for crucial liquid containment applications. This series offers several important benefits, including: 100% renewable performance with use of Viking’s recommended spare parts kit; an innovative magnet system with a patent-pending spline design that allows the magnet to self-align while floating on the shaft with no added fasteners; self-lubricating, heavy-duty bearings with patent-bearing geometry that allow dry-run capabilities; and, a unique, universal flange that allows for easy installation for both ANSI and DIN flanged systems, among other key benefits. In addition, the CMD series offers extreme flexibility, including an array of models with port sizes ranging from .25” to 1.5” (6.35 to 38.1 mm), a performance level of 100 SSU (22 cSt), normal capacity at 1450 RPM ranging from 0.34 to 30 GPM (1.3 to 120.0 LPM), normal capacity at 1750 RPM ranging from 0.4 to 33.0 GPM (1.5 to 125.0 LPM), a maximum differential pressure of 150 PSI (10 Bar), a maximum hydrostatic pressure of 200 PSI (14 Bar), approximate shipping weights ranging from 4 to 44 pounds (2 to 20 kg), and a maximum recommended operating temperature of 150°F (65°C).
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Materials
Wetted parts AISI 316 Bearings SiC Bracket WCB Special alloy: Hastelloy, Incoloy, Titanium
Technical Data : Flow Rates up to 400m3/h Total delivery heads up to 1300 m Temperature Rating from -150° up to +450°C Flange Rating PN 100
Construction
Horizontal multistage centrifugal pump Permanent Magnet drive system Separation of liquid chamber/atmosphere by means of an isolation shell Synchronous drive transmitted by inner magnet and outer magnet system Sintered Silicon Carbide Bearings Barrel execution Bearing Frame construction
Applications
Pumping acids, hydrocarbon, diathermic oils, liquid gases, dangerous fluids, explosive, toxic.
Further material available if request
Various materials from the standard special Constructions
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Tefzel Lined Magnetic Drive process Pumps available frame mounted, close coupled, in-line and self priming.
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The model ICM is a metallic magnetic drive chemical process pump made of stainless steel, hastelloy, ductile cast iron, and special metals. Designed for normal and demanding chemical process applications.
Specifications:
Capacities to 340 m3/h (1490 USgpm) at 2900 rpm & 400 m3/h (1760 USgpm) at 3500 rpm
Heads to 160 m (525 feet) at 2900 rpm & 210 m (685 feet) at 3500 rpm
Temperature Range -40° C to 180° C (-40° F to 360° F), optional as ICMP up to 280° C (530° F)
Pressures to 16 Bar (235 PSIG), optionally 25 bar (360 psi); sizes 65-40-315 and 80-50-315: 25 bar (360 psi) standard
Materials - Ductile Iron, 316 Stainless Steel, Duplex SS, Alloy 20, Hastelloy, Titanium
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CQ TYPE magnetic force driving pump (called magnetic pump), is the new product, which use the permanent magnet join-axis working principle for centrifugal pump, and has advantage of reasonable structure, advanced workmanship, full sealed, non-leakage and cauterization-proof, its performance can be match to the same product of foreign countries.
- reasonable structure
- advanced workmanship
- full sealed, non-leakage
- strong corrosion-resistance
- compact conformation、good- looking appearance
- small in size 、low noise
- uniformity of operation
- convenient maintenance
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Liquiflo's ENDURA® AB-Series is our Patented Air-Barrier Centrifugal Pump. This innovative revolutionary design was the recipient of the 1995 Vaaler Award. The ENDURA® AB can run dry indefinitely and handles solids - something no other pump in the industry can do.
The AB (air-barrier) combines the best features of a standard sealed pump with that of a mag-drive pump, while eliminating the drawbacks commonly associated with these designs. This patented design makes the ENDURA® AB unlike any other pump in the industry.
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Process magnetic drive pumps MDM series
Unique design endurable to dry running (Non contact system)
The pump design features a mechanism to withstand dry running. High magnet power of the rare earth magnets prevents the magnet capsule coming into contact with the thrust ring of the rear casing, thus preventing melting of fluororesin components due to heat generation. This greatly improves resistance against dry running in comparison with conventional magnetic drive pumps made of fluororesin. Note: Only CF type (fitted with high density carbon bearing) can cope with dry running. Dry running is not permitted in the case of KK type.
ETFE and PFA available in standard models
Carbon fibre reinforced ETFE (CFRETFE) and PFA linings can be supplied to meet many varying duties. PFA being a natural unfilled material generates fewer contaminants and makes it ideally suited for transfer of high purity chemicals.
Back pullout system
In order to facilitate inspection and maintenance, this series employs the back pullout system. This enables one to conduct inspections internally and replace parts without removing piping. The pump is designed to include safety measures that can prevent the liquid from leaking when the foot support is pulled back.
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Materials
Wetted parts AISI 316 Bearings SiC / Special Carbon Bracket WCB Special alloy: Hastelloy, Incoloy, Titanium
Technical Data : Flow Rates up to a 45m3/h Total delivery heads up to 35m Temperature Ratings up to 200°C Pressure rating up to PN 16
Construction
Horizontal Centrifugal Pump for general applications Permanent Magnet Drive system Separation of liquid chamber/atmosphere by means of an isolation shell Synchronous drive transmitted by inner magnet and outer magnet system Sintered Silicon Carbide Bearings / Special Carbon Bearing Frame and Close coupled execution
Applications
Pumping acids, hydrocarbon, diathermic oils, liquid gases, dangerous fluids, explosive, toxic.
Further material available if request
Various materials from the standard special Constructions
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Motion is transmitted by magnetic couplings, thus avoiding a mechanical connection between the impeller and driving part. The absence of drive shaft and respective sealing systems removes the risk of leakage of the pumped product. Hydraulic thrust control, optimised internal lubrication, hard-wearing bushings and other components, excellent hydraulic performance and simple maintenance make UTS-B pumps of unrivalled versatility. They can be manufactured from stainless steel or special alloys. Operating temperatures range from cryogenic to +180°C.
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FTI's DB Series Magnetic Drive Pumps are the product of advanced engineering CFD design software and superior magnetic flux technology. Using powerful neodymium magnetic technology, the DB sealless mag drive pumps are an ideal replacement for mechanical sealed pumps in corrosive duty applications.
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Using the latest, patented pump technology, Hayward's Series R all-plastic, corrosion resistant pumps will stand up to the most aggressive, demanding industrial and commercial applications year in and year out. From the heavy duty, thick wall, glass reinforced polypropylene or ETFE pump body construction, to the rugged epoxy painted motors, there is simply no better mag drive plastic pump available anywhere. And Hayward backs every one of its Webster mag drive pumps with an extended two year warranty.
With horsepower ratings from 1/3 to 5 HP, applications requiring flow rates from 5 to 140 GPM and with maximum total dynamic head discharges up to 141 feet, you will find a Webster Magnetic Drive Pump to meet your requirements. And because the process media never contacts metal, there is never a danger of pump failure due to rust or corrosion. Because they are magnetically driven, they have no seals, thus no emissions, leaks or expensive seal replacements.
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The Johnson Pump range of magnetic drive centrifugal pumps has no seals and is therefore leak proof. This makes the pumps ideal for transporting aggressive, dangerous and valuable fluids. Because of more stringent environmental requirements and ever more advanced manufacturing process, there is increase in interest in this type of pump.
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TBK, TBAK
Magnetic drive self-priming centrifugal pumps derived from TBH. Capacity to 70 m3/h, max pressure 16 bar.
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Applications
Surface treatment
Transfer and pumping of chemicals
Water treatment
Paper industry
Agriculture
Agribusiness
Cosmetics industry
Salt water
Metallurgy
Pump body made of injected plastic (Polypropylene or PVDF) :Excellent resistance to acids and bases; Max. fluid temperature = 80°C (PP), 110°C (PVDF)
Closed centrifugal pump impeller with diffuser: Very good efficiency
Max. flow rate up to 40 m3/h
Max. pump-out height up to 23 m
Impeller driven by high capacity magnetic coupler: No gaskets ; no risk of leaks
Compatible with fluids of density 1.3 to 2
Ceramic / ceramic impeller bearing oversized with ceramic / teflon stop: Very long lifetime (running dry prohibited)
Integrated electric motor: Reduced dimensions
Automatic repriming : Pump-in height up to 2 m
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For more than 25 years Sterling SIHI have been supplying pumps with magentic couplings for demanding applications in the process industry.
It´s experience in the field of magnetic couplings enables Sterling SIHI to use hermetically sealed drivers for the complete programme of liquid pumps.
PERFORMANCE (for leak free magnetic couplings):-
• Power rarting from 2 to 115 kW
• Temperature range from -40 °C to +400 °C
• Manufactured to ISO 5199 and VDMA 24279
PROCESS PUMPS WITH MAGNETIC COUPLINGS
Performance data
• Capacitiy: max. 650 m3/h
• Delivery head: max. 150 m
• Temperature: max. 300 °C uncooled
SIDE CHANNEL PUMPS WITH MAGNETIC COUPLINGS Performance data
• Capacity: max. 35 m3/h
• Delivery head: max. 354 m
• Temperature: max. 180 °C uncooled
PUMPS FOR HOT LIQUIDS WITH MAGNETIC COUPLINGS
Performance data
• Capacity: max. 600 m3/h
• Delivery head: max. 90 m
• Temperature: max. 400 °C uncooled
SPECIAL DESIGNS WITH MAGNETIC COUPLINGS
Sterling SIHI has 25 years experience in the design of pumps with magnetic couplings for special applications.
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The ENDURA® MC-Series is our standard line of Group I &
Group II ANSI-Dimensional Magnetically-Coupled Centrifugal Pumps. Seven standard models are available to cover a wide range of flow rates.
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Designed for Corrosive Liquid and Chemical Transfer.
Available in Polypropylene and Kynar models. They can even run dry !
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MPN range: Standard suction, magnetically-coupled pumps
The pump casing of the MPN range is hermetically sealed. The impeller is powered by magnetic force, eliminating the need for a direct connection to an external motor. Parts in contact with the fluid medium are manufactured from solid PVDF or PP. These models come equipped with low-maintenance, hydrodynamic gliding-surface bearings, composed of either PTFE and ceramics components, or SiC components, and incorporate high-quality permanent magnets into their design.
PVDF pumps may be used for medium temperatures of up to 95°C; PP pumps for temperatures of up to 85°C. These models are available with a choice of electric drive motors: three-phase or single-phase and three-phase explosion protection or flameproof enclosure drives. All drives can be adapted to work off any voltage or frequency. The characteristic curves of these models have been measured using three-phase double pole motors, with water as a test medium, at a temperature of 20°C
Advantages:
- Completely proofed against leaks, as no rotating parts need to be sealed off
- Low maintenance, due to wear-resistant hydrodynamic slide bearings
- High chemical resistance to corrosive media, due to the minimum number of materials used in the pumps` manufacture
- Universally adaptable
Some uses and applications:
- Wafer production in the micro-chip industry
- Printed circuit board (PCB) manufacture
- Water treatment and sewage systems
- Electro-plating applications
- Laboratory facilities
- Medical facilities
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Magnetically coupled centrifugal pumps of building group 4.5 are non-self-priming centrifugal pumps with volute casing. They operate in horizontal position and are built in monobloc design. A magnetic coupling connects the pump to the electromotor and transmits the power of the motor to the impeller.
Housing, impeller, impeller magnet coating and rear casing can be made of either glass-fibre reinforced PP plastic or PVDF. Sleeve bearings, starting rings and centering shaft are made of 99.7% pure oxide ceramic. The impeller starting ring is made of PTFE graphite. O-ring sealing of the housing is made of FPM or EPDM or FEP (optionally available).
- For aggressive and neutral liquids
- For short-term and continuous operation
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Magnetically coupled centrifugal pumps of building group 2 are non-self-priming centrifugal pumps with volute casing. They operate in horizontal position and are built in monobloc design. A magnetic coupling connects the pump to the electromotor and transmits the power of the motor to the impeller.
Housing, impeller, impeller magnet coating and rear casing can be made of either glass-fibre reinforced PP plastic or PVDF. Sleeve bearings, starting ring and centering shaft are made of 99.7% pure oxide ceramic. O-ring sealing of the housing is made of FPM or EPDM or FEP (optionally available).
- For aggressive and neutral liquids
- For short-term and continuous operation
- With non-ventilated motor so that it is insensitive to vapour.
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