Tube and Hose Pumps for Waste Water and Sewage Treatment like Peristaltic and Chemical Metering Pumps, Dosing and Dispensing Pumps and Hose Pump Technology
Waste Water Treatment
Peristaltic pumps have no valves, seals or glands, and the fluid contacts only the bore of the hose or tube simple to install, easy to use quick to maintain world`s fastest-growing pump type Watson-Marlow Bredel is the world`s largest manufacturer of tube and hose pumps. We have a particular interest in water and waste treatment, with a range of products specially geared to the industry`s needs. Get this hot new technology working for you Leaders in Peristaltic Pumps for Water and Waste Treatment The Spirax-Sarco Group has its headquarters in Cheltenham, England, and has been quoted on the London Stock Exchange for more than 40 years. Each year the company has reported a strong financial performance and continues to expand its businesses around the world by providing knowledge, service and products to satisfy its customers` needs. 85% of sales are made outside the UK. The Spirax Sarco Group`s fluid control business comprises two elements: Spirax Sarco and Watson-Marlow Bredel, both of which are the world leaders in their respective niche markets. Spirax Sarco: For over ninety years, the Spirax Sarco business has been committed to providing steam users with knowledge, service and products to improve and maintain steam heating and process plants of all types. Spirax Sarco is the world leader in the control and efficient use of steam and other industrial fluids. Watson-Marlow Bredel: Watson-Marlow Bredel has, through selective acquisition, innovative product development and geographical expansion, grown rapidly to lead the world market for peristaltic pumps. This is an expanding segment of the positive displacement pump market. The peristaltic principle enables sensitive, abrasive or corrosive fluids to be pumped safely, accurately and without contamination anywhere from biotechnology to ceramics and food processing to waste treatment. Where we operate Watson-Marlow Bredel has offices in 13 countries - see ``Contact Us``, left - and distributors in many more. Our superb peristaltic pumps and pump tubing have made us the world`s leading supplier in terms of quality and sales. We supply industries from bio-technology to sludge pumping, and have a range of specialised products for the water and waste-water industry, backed by extensive experience and knowledge of the industry`s needs. Water Industry Services Potable water: The efficient operation of plant is essential in the supply of quality potable water within consent levels. Dosing or metering applications, typically with lime or polyelectrolyte, often place arduous demands on pumps. These chemicals can cause abrasive wear and pump clogging, leading to poor performance and premature failure of traditional positive displacement pumps. Watson-Marlow Bredel pumps are a proven solution and exceed performance expectations by: Self-priming and dry-running Extensive control options Superior accuracy Outstanding reliability and low operating cost Dosing and metering ferric chloride, sodium hypochlorite, chlorine, carbon, lime and kalic Sampling cryptosporidium, raw water and final potable water Transfer of settled sludge Sewage and waste treatment All treatment works must meet increasingly stringent levels of discharge consent, while reducing operating costs. Critical processes such as primary sludge transfer and digester feed must be carried out reliably. Watson-Marlow Bredel pumps are able to meet these demanding performance levels by: Consistent and predictable performance Lowest whole life cost Simple pump installation Increased pump life and greater reliability Transfer of primary, secondary, humus, returned and activated sludges Digester, filter press and centrifuge feed Sampling, metering and dosing of additives
Peristaltic pumps have no valves, seals or glands, and the fluid contacts only the bore of the hose or tube
Watson-Marlow Bredel is the world`s largest manufacturer of tube and hose pumps. We have a particular interest in water and waste treatment, with a range of products specially geared to the industry`s needs. Get this hot new technology working for you
The Spirax-Sarco Group has its headquarters in Cheltenham, England, and has been quoted on the London Stock Exchange for more than 40 years. Each year the company has reported a strong financial performance and continues to expand its businesses around the world by providing knowledge, service and products to satisfy its customers` needs. 85% of sales are made outside the UK.
The Spirax Sarco Group`s fluid control business comprises two elements: Spirax Sarco and Watson-Marlow Bredel, both of which are the world leaders in their respective niche markets.
Spirax Sarco: For over ninety years, the Spirax Sarco business has been committed to providing steam users with knowledge, service and products to improve and maintain steam heating and process plants of all types. Spirax Sarco is the world leader in the control and efficient use of steam and other industrial fluids.
Watson-Marlow Bredel: Watson-Marlow Bredel has, through selective acquisition, innovative product development and geographical expansion, grown rapidly to lead the world market for peristaltic pumps. This is an expanding segment of the positive displacement pump market. The peristaltic principle enables sensitive, abrasive or corrosive fluids to be pumped safely, accurately and without contamination anywhere from biotechnology to ceramics and food processing to waste treatment.
Where we operate
Watson-Marlow Bredel has offices in 13 countries - see ``Contact Us``, left - and distributors in many more. Our superb peristaltic pumps and pump tubing have made us the world`s leading supplier in terms of quality and sales. We supply industries from bio-technology to sludge pumping, and have a range of specialised products for the water and waste-water industry, backed by extensive experience and knowledge of the industry`s needs.
Potable water: The efficient operation of plant is essential in the supply of quality potable water within consent levels. Dosing or metering applications, typically with lime or polyelectrolyte, often place arduous demands on pumps. These chemicals can cause abrasive wear and pump clogging, leading to poor performance and premature failure of traditional positive displacement pumps.
Watson-Marlow Bredel pumps are a proven solution and exceed performance expectations by:
All treatment works must meet increasingly stringent levels of discharge consent, while reducing operating costs. Critical processes such as primary sludge transfer and digester feed must be carried out reliably.
Watson-Marlow Bredel pumps are able to meet these demanding performance levels by:
Metering Pump
Tube Pumps and Hose Pumps: The World`s Fastest Growing Pump Types Bulk Tubing: From the world`s largest manufacturer of tube and hose pumps Superb knowledge, service and products is what sold over one million tube pumps (pressures up to 30 psi, flow rates up to 35 gpm) and reinforced hose pumps (230 psi and 350 gpm) Solving millions of pumping problems in every industry - chemical, pharmaceutical and biotechnology, ceramics, water and waste treatment, food and beverage, print and packaging - if you handle fluids - sensitive or abrasive, sterile or aggressive - get this hot new technology working for you Pumps that solve problems Most industries have difficult pumping applications where care in handling the process or waste fluid is required. The peristaltic pump is the pump of first choice wherever the fluid is: Abrasive, corrosive or aggressive Valuable or pure Shear-sensitive and must not be degraded Watson-Marlow Bredel`s range of pumps meets the demands of processes across all industries from the heaviest of manufacturing duties to the most precise research task. Over one million pumps sold testify to the time and money-saving abilities of Watson-Marlow Bredel pumps. Direct-coupled design, 30% smaller footprint Improved choice of flanges, threaded inserts or sanitary connectors Inner hose diameter 5/8" (15mm) Minimum starting torque 500 in lbs (60 Nm) Capacity per revolution 0.022 gal (0.083 liter) Maximum discharge pressure 110 psi (7.5 bar) Maximum continuous flow rate 1.7 gpm (375 liter/hour) Maximum intermittent flow rate 2.3 gpm (525 liter/hour) Two-year warrantyNew Direct-coupled design, with a unique leak zone to protect your drive. Rotor fully supported on its own two bearings which means no coupling, no alignment and no heavy-duty baseplate - 30% smaller footprint, all fasteners stainless steel - resulting in less installation time, less maintenance and lower costs. Low noise level, 100% positive flow (no slip), Metering pump accuracy: +/- 1% Waste Water and Sewage Treatment The simple, glandless, "straight through" construction without valves, vanes or impellers, has clear advantages in handling viscous sludges liable to contain rag type or other solids which cause blockages, while the ability to impart minimal shear, combined with the high levels of volumetric accuracy when handling additives such as polyelectrolyte, is important in terms of both efficient flocculation and additive consumption. In the first stage, SP50 pumps run for approximately five minutes each hour and draw off sludge from the primary tank containing between 2% and 5% solids, and discharge to the top of a holding tank. Water is removed separately and goes for further treatment. An SPX50 pump running for twenty minutes in every hour, transfers the primary sludge from the holding tank to picket fence thickeners where it is constantly stirred. The sludge, by this time containing 8%, solids, is pumped from the thickening tank to a heated digester tank by an SPX80 pump, the slow speed avoiding thermal shock as cold matter meets warm Reduced operating costs can be achieved by the installation of Watson-Marlow Bredel pumps in the feeding of primary or thickened sludge to digesters or filter presses, and in primary tank auto-desludging. To complete primary auto-desludging, following digester treatment, the sludge goes to secondary storage tanks, where polyelectrolytes are dosed by low-pressure peristaltic pumps prior to dewatering. Metering and Transferring Polymers Ferric Chloride Sodium Hypochlorite Sodium Bisulfite Lime Slurry Hydrofluorosilisic Acid Carbon Slurry Potassium Permanganate Aqueous Ammonia Alum Sludge Sludge Feed To Belt Filter Presses & Centrifuges Sampling Scum Thickened Sludge Digested Sludge Waste & Return Activated Sludge (WAS & RAS) Alum Sludge Dissolved Air Flotation (DAF)
Bulk Tubing: From the world`s largest manufacturer of tube and hose pumps Superb knowledge, service and products is what sold over one million tube pumps (pressures up to 30 psi, flow rates up to 35 gpm) and reinforced hose pumps (230 psi and 350 gpm)
Solving millions of pumping problems in every industry - chemical, pharmaceutical and biotechnology, ceramics, water and waste treatment, food and beverage, print and packaging - if you handle fluids - sensitive or abrasive, sterile or aggressive - get this hot new technology working for you
Pumps that solve problems Most industries have difficult pumping applications where care in handling the process or waste fluid is required. The peristaltic pump is the pump of first choice wherever the fluid is:
Watson-Marlow Bredel`s range of pumps meets the demands of processes across all industries from the heaviest of manufacturing duties to the most precise research task. Over one million pumps sold testify to the time and money-saving abilities of Watson-Marlow Bredel pumps. Direct-coupled design, 30% smaller footprint Improved choice of flanges, threaded inserts or sanitary connectors Inner hose diameter 5/8" (15mm) Minimum starting torque 500 in lbs (60 Nm) Capacity per revolution 0.022 gal (0.083 liter) Maximum discharge pressure 110 psi (7.5 bar) Maximum continuous flow rate 1.7 gpm (375 liter/hour) Maximum intermittent flow rate 2.3 gpm (525 liter/hour) Two-year warrantyNew Direct-coupled design, with a unique leak zone to protect your drive. Rotor fully supported on its own two bearings which means no coupling, no alignment and no heavy-duty baseplate - 30% smaller footprint, all fasteners stainless steel - resulting in less installation time, less maintenance and lower costs. Low noise level, 100% positive flow (no slip), Metering pump accuracy: +/- 1%
The simple, glandless, "straight through" construction without valves, vanes or impellers, has clear advantages in handling viscous sludges liable to contain rag type or other solids which cause blockages, while the ability to impart minimal shear, combined with the high levels of volumetric accuracy when handling additives such as polyelectrolyte, is important in terms of both efficient flocculation and additive consumption.
In the first stage, SP50 pumps run for approximately five minutes each hour and draw off sludge from the primary tank containing between 2% and 5% solids, and discharge to the top of a holding tank. Water is removed separately and goes for further treatment. An SPX50 pump running for twenty minutes in every hour, transfers the primary sludge from the holding tank to picket fence thickeners where it is constantly stirred. The sludge, by this time containing 8%, solids, is pumped from the thickening tank to a heated digester tank by an SPX80 pump, the slow speed avoiding thermal shock as cold matter meets warm
Reduced operating costs can be achieved by the installation of Watson-Marlow Bredel pumps in the feeding of primary or thickened sludge to digesters or filter presses, and in primary tank auto-desludging. To complete primary auto-desludging, following digester treatment, the sludge goes to secondary storage tanks, where polyelectrolytes are dosed by low-pressure peristaltic pumps prior to dewatering.
Metering and Transferring
Sludge
Dosing and Dispensing Pump
Watson-Marlow Bredel pumps Accurate and repeatable flow rates Contamination free pumping - ideal for shear-sensitive fluids, viscous sludges or slurries, and aggressive acids and caustics Easy to install, operate and maintain Virtually maintenance free - no expensive seals, valves, diaphragms or rotors to leak, clog or corrode Low flow single channel pumps Flow rates from 1µl/min to 53ml/min Rapid and simple tube loading Manual, auto and digital TTL control Near pulseless, multi-channel cassette pumps with up to 32 channels Flow rates from 0.6µl/min to 22ml/min per channel Precise flow control for each individual chanel Manual, auto and digital TTL control Single or multi-channel benchtop pumps with manual, remote, analogue, RS232 control and accurate dispensing Flow rates from 2µl/min to 3 litre/min High visibility digital display with membrane keypad Single channel or up to ten separate channels Zero maintenance brushless DC motors New 323Dz General purpose dispensing pump Ultra-compact scientific pumps for low flow single ormulti-channel applications Flow rates from 1µl/min to 610 ml/min Precision multi-roller pumpheads for accurate flows Single channel 102R pumphead for use with Silicone or Marprene tubing Digital and analogue process signal control Superb range of IP31 and IP66 rated pumps for science and industry as well as fixed and variable speed close-coupled pumps Flow rates from 10µl/min to 4.4 litre/min Manual, analogue and digital RS232/RS485 control ATEX rated, three phase and pneumatic drives Seven pumpheads options including low-pulse high accuracy 505L Dosing and dispensing pump for +/- 0.5% accuracy NEMA 4X mid-flow process pumps with full clean-in-place and steam-in-place capability Flow rates from 0.0003 gpm to 4.8 gpm Manual, auto and digital control Close coupled pumps for the three phase operation including pneumatic and ATEX options One minute maintenance LoadSure elements Industrial cased and baseplate mounted pumps for use with continuous tubing or new LoadSure elements. Three phase motors, ATEX rated drives or pneumatic Flow rates from 0.4 gpm to 17.4 gpm Single or twin channel operation Driven roller pumphead extends tube life LoadSure elements ensure correct tube loading every time Fixed or variable speed drives High-flow hygienic pumping using USP Class VI Bioprene tubing or STA-PURE tubing Flow rates from 0.5 gpm to 35 gpm Full Clean-In-Place and Steam-In-Place capability Extensive motor/gearbox control options High flow high-pressure industrial pumps with unique patented direct coupled design. Duplex and CIP models available Flow rates from 0.08 gpm to 350 gpm Reinforced hoses enable pressures up to 230 psi Fixed and mechanically or electronically variable speed drives including ATEX versions. A wide range of instrument quality and industrial OEM pumpheads for fitting to users own drives, or with faceplate-mounted motor options Flow rates from 0.01µl/min to 33 litre/min Single and multi-channel pumpheads Synchronous, DC, induction, shaded-pole or stepper motors Optional Eurocard pcb enables full controllability Extensive range of tubing ensures chemical compatibility USP Class VI and FDA approvals. Precision machined, re-inforced hoses provide flow stability and excellent suction performance Twelve tubing materials in bore sizes 0.13mm to 25.4mm Autoclavable Marprene, Bioprene, STA-PURE, Chem-Sure and Pumpsil Silicone (platinum-cured) with LaserTraceability Four hose materials including Natural Rubber, Nitrile NBR, Hypalon and EPDM from 10mm to 100mm
Watson-Marlow Bredel pumps
Low flow single channel pumps
Near pulseless, multi-channel cassette pumps with up to 32 channels
Single or multi-channel benchtop pumps with manual, remote, analogue, RS232 control and accurate dispensing
Ultra-compact scientific pumps for low flow single ormulti-channel applications
Superb range of IP31 and IP66 rated pumps for science and industry as well as fixed and variable speed close-coupled pumps
NEMA 4X mid-flow process pumps with full clean-in-place and steam-in-place capability
Industrial cased and baseplate mounted pumps for use with continuous tubing or new LoadSure elements. Three phase motors, ATEX rated drives or pneumatic
High-flow hygienic pumping using USP Class VI Bioprene tubing or STA-PURE tubing
High flow high-pressure industrial pumps with unique patented direct coupled design. Duplex and CIP models available
A wide range of instrument quality and industrial OEM pumpheads for fitting to users own drives, or with faceplate-mounted motor options
Extensive range of tubing ensures chemical compatibility
USP Class VI and FDA approvals. Precision machined, re-inforced hoses provide flow stability and excellent suction performance
Hose Pump Technology
Bredel Hoses Bredel`s innovative hose design and unique ground construction has created the benchmark in hose performance and life. The unique design ensures that compression forces are evenly applied, and the enormous restitutional ability of the hose creates powerful suction handling and accurate metering capabilities. Bredel High Pressure Hose Pumps for Peristaltic Pumping Bredel engineering created an entirely new type of pump - the high-pressure hose pump. Its patented technology achieved what was believed to be impossible: the unbeatable simplicity, reliability and low maintenance needs of peristaltic pumping brought to high-flow, high-pressure duties. Today, 75,000 Bredel pumps are at work around the world at flow rates up to 350 gpm and pressures up to 230 psi. Hose pumps are the future, and they work. Tens of thousands of pump users know there isn`t a more rugged and reliable solution to pumping problems than a Bredel. Bredel SPX - The Future of Hose Pumping The unique direct-coupled design of the Bredel SPX provides all the performance, reliability and ease of maintenance benefits of bareshaft (long-coupled) designs with the compact advantages of close-coupled pumps in sizes ranging from 10mm to 100mm. Superb engineering design from the world leaders in hose pumping has achieved the rare feat of cutting cost of ownership at the same time making use and maintenance easier than ever before. It is the future of hose pumping engineered by the people who invented hose pumping. Unlike close-coupling, Bredel`s patented direct-coupled design permits the drive to be removed and replaced without the need to dismantle the pump head. PetroProof Hose Pumps for Hydrocarbons, Petrochemicals and Oil Based Products Petrochemicals, hydrocarbons, and oil based products were all beyond the reach of peristaltic pumps due to incompatibility with the rubber hose As the world leader in hose pump technology, the research and development team at Watson-Marlow Bredel is constantly investigating and testing a wide range of rubber and thermoplastic hose materials to broaden our range of applications. We`ve identified a revolutionary new TPE (thermoplastic elastomer) that matches oil resistance with the dynamic properties needed for long life in a hose pump. Designed around this material, the PetroProof pump was born and is the first peristaltic hose pump in the world capable of handling hydrocarbon liquids in continuous duty applications. Applications Toluene as solvents in the production of a myriad of materials such as gaskets or like material, aerosol spray paints, wall paints, lacquers, paint strippers, adhesives, printing ink, spot removers, cosmetics, perfumes, and antifreeze. Paints, lacquers and adhesives are commonly pumped in many markets including printing, pulp & paper, packaging, construction, manufacturing and automotive - all markets that need low flow metering! The ability to handle oil, polymers, fats, fuel oils and cleaning chemicals means this pump is perfect for applications in industrial wastewater as well. High-precision machined hose elements At the heart of all Bredel pumps is a remarkable composite reinforced hose. The hose is constructed from high-quality compounded rubbers reinforced with four (two in the case of the SP10 and SP15 hoses) individual layers of braided nylon, and finished by high-precision machining. Because rubber is incompressible, nothing is more important to hose pumping that acurate control of the hose dimensions to ensure that the occlusion of the hose is exactly right: - Over-occlusion of the hose stresses both pump and hose, reduces hose life, and places unplanned loads on the pump bearings. - Under-occlusion results in loss of pump efficiency and damaging back-flow, which also reduces hose life. In- House Hose Pump Manufacturing Bredel is the only hose pump manufacturer to machine its own hoses, and no other manufacturer can match Bredel`s experience of configuring pump and hose to precisely meet the flow, pressure and temperature characteristics of any application. Nothing but the hose or tube touches the fluid, eliminating the risk of the pump contaminating the fluid, or the fluid contaminating the pump. The complete closure of the hose which is squeezed between a shoe and the track gives the pump its positive displacement action, preventing backflow and eliminating the need for check-valves when the pump is not running. There is no contamination of the pump or fluid Ideal for slurries, viscous, shear-sensitive and aggressive fluids Easy to install, simple to operate, inexpensive to maintain Pump design prevents backflow and syphoning without valves Wide range of tubing includes industrial, food-grade and medical
Bredel Hoses
Bredel`s innovative hose design and unique ground construction has created the benchmark in hose performance and life. The unique design ensures that compression forces are evenly applied, and the enormous restitutional ability of the hose creates powerful suction handling and accurate metering capabilities.
Bredel engineering created an entirely new type of pump - the high-pressure hose pump. Its patented technology achieved what was believed to be impossible: the unbeatable simplicity, reliability and low maintenance needs of peristaltic pumping brought to high-flow, high-pressure duties.
Today, 75,000 Bredel pumps are at work around the world at flow rates up to 350 gpm and pressures up to 230 psi. Hose pumps are the future, and they work. Tens of thousands of pump users know there isn`t a more rugged and reliable solution to pumping problems than a Bredel.
The unique direct-coupled design of the Bredel SPX provides all the performance, reliability and ease of maintenance benefits of bareshaft (long-coupled) designs with the compact advantages of close-coupled pumps in sizes ranging from 10mm to 100mm.
Superb engineering design from the world leaders in hose pumping has achieved the rare feat of cutting cost of ownership at the same time making use and maintenance easier than ever before. It is the future of hose pumping engineered by the people who invented hose pumping.
Unlike close-coupling, Bredel`s patented direct-coupled design permits the drive to be removed and replaced without the need to dismantle the pump head.
Petrochemicals, hydrocarbons, and oil based products were all beyond the reach of peristaltic pumps due to incompatibility with the rubber hose As the world leader in hose pump technology, the research and development team at Watson-Marlow Bredel is constantly investigating and testing a wide range of rubber and thermoplastic hose materials to broaden our range of applications. We`ve identified a revolutionary new TPE (thermoplastic elastomer) that matches oil resistance with the dynamic properties needed for long life in a hose pump. Designed around this material, the PetroProof pump was born and is the first peristaltic hose pump in the world capable of handling hydrocarbon liquids in continuous duty applications.
Applications
At the heart of all Bredel pumps is a remarkable composite reinforced hose. The hose is constructed from high-quality compounded rubbers reinforced with four (two in the case of the SP10 and SP15 hoses) individual layers of braided nylon, and finished by high-precision machining. Because rubber is incompressible, nothing is more important to hose pumping that acurate control of the hose dimensions to ensure that the occlusion of the hose is exactly right:
- Over-occlusion of the hose stresses both pump and hose, reduces hose life, and places unplanned loads on the pump bearings. - Under-occlusion results in loss of pump efficiency and damaging back-flow, which also reduces hose life.
Bredel is the only hose pump manufacturer to machine its own hoses, and no other manufacturer can match Bredel`s experience of configuring pump and hose to precisely meet the flow, pressure and temperature characteristics of any application. Nothing but the hose or tube touches the fluid, eliminating the risk of the pump contaminating the fluid, or the fluid contaminating the pump. The complete closure of the hose which is squeezed between a shoe and the track gives the pump its positive displacement action, preventing backflow and eliminating the need for check-valves when the pump is not running.
Tubing and Hoses
Tubing and Hoses for Accurate Metering and Dispensing Watson-Marlow Bredel pumps use either hoses which are reinforced against high pressure, or tubing which is unreinforced for lower pressure duties. For accurate metering or dispensing and for long life, both must be be made with tightly controlled formulations and dimensions. Only Watson-Marlow tubing and Bredel hoses are made for use in Watson-Marlow Bredel pumps. Bredel Hoses Provide Powerful Suction Handling and Accurate Metering Bredel`s innovative hose design and construction has created the benchmark in hose performance and life. The unique design ensures that compression forces are evenly applied, and the enormous restitutional ability of the hose creates powerful suction handling and accurate metering capabilities. Watson-Marlow Tubing for Peristaltic Pump Configuration Available in seven different materials and twenty-two different sizes, from 0.13mm to 40mm, the range of Watson-Marlow tubing enables customers to configure their peristaltic pumps for specific applications. Watson-Marlow is unique in being the only peristaltic pump manufacturer to have its own silicone tubing plant, giving users the benefits of a short supply chain and total quality. Tubing is available in seven different materials and 22 different sizes, from 0.13mm to 40mm. The range of Watson-Marlow tubing enables customers to configure their peristaltic pumps for specific applications The tubing is as important as the pump Its restitution creates suction lift Its strength resists pressure Its flex resistance determines pumping life Its bore decides the flow rate Its wall thickness controls pumping efficiency Ordinary tubing is not designed for peristaltic pumping, and only Watson-Marlow precision pump tubing will give the best results in a Watson-Marlow pump. The results of using any other tubing are unpredictable, and may jeopardise your process. How to choose the right tubing material The best way to select a tube is to first decide which materials are chemically suitable, and then choose the one which best meets the physical demands of the application. For maximum tube life, use a large bore tube at low speed. For maximum flow rate use the largest tube at maximum speed. For maximum accuracy, use a small bore tube at maximum speed. Suction lift depends on the tube restituting fully before the advance of the next roller. If it does not, the flow rate will be reduced. For maximum suction lift or pressure, use the smallest practicable bore size of tubing and run the pump at the slowest possible speed. Always make an immersion test before choosing a tube material for critical applications. Immerse a short length of the tubing (always available from Watson-Marlow Bredel or its distributors) in a closed container of the fluid for 48 hours, and then examine it for signs of attack, swelling, embrittlement or other deterioration. Pumpsil Platinum-Cured Silicone Tubing with Unique LaserTraceability Successful peristaltic pumping depends utterly on the quality of the tubing. That`s why Watson-Marlow has invested in its own class-J clean room and computer-controlled extruders to produce the world`s finest pharmaceutical-quality platinum-cured silicone tubing with: Complete USP Class VI, FDA and NSF validation pack Polished dies produce ultra-smooth surfaces Laser and ultrasonic tolerance control for precision performance Rapid change tooling and kanban operation Watson-Marlow is the only peristaltic pump company extruding its own silicone tubing, providing unique integrated pump and tubing supply of both standard and custom product in any volume.
Watson-Marlow Bredel pumps use either hoses which are reinforced against high pressure, or tubing which is unreinforced for lower pressure duties. For accurate metering or dispensing and for long life, both must be be made with tightly controlled formulations and dimensions. Only Watson-Marlow tubing and Bredel hoses are made for use in Watson-Marlow Bredel pumps.
Bredel`s innovative hose design and construction has created the benchmark in hose performance and life. The unique design ensures that compression forces are evenly applied, and the enormous restitutional ability of the hose creates powerful suction handling and accurate metering capabilities.
Available in seven different materials and twenty-two different sizes, from 0.13mm to 40mm, the range of Watson-Marlow tubing enables customers to configure their peristaltic pumps for specific applications.
Watson-Marlow is unique in being the only peristaltic pump manufacturer to have its own silicone tubing plant, giving users the benefits of a short supply chain and total quality. Tubing is available in seven different materials and 22 different sizes, from 0.13mm to 40mm. The range of Watson-Marlow tubing enables customers to configure their peristaltic pumps for specific applications The tubing is as important as the pump
Ordinary tubing is not designed for peristaltic pumping, and only Watson-Marlow precision pump tubing will give the best results in a Watson-Marlow pump. The results of using any other tubing are unpredictable, and may jeopardise your process. How to choose the right tubing material The best way to select a tube is to first decide which materials are chemically suitable, and then choose the one which best meets the physical demands of the application. For maximum tube life, use a large bore tube at low speed. For maximum flow rate use the largest tube at maximum speed. For maximum accuracy, use a small bore tube at maximum speed.
Suction lift depends on the tube restituting fully before the advance of the next roller. If it does not, the flow rate will be reduced. For maximum suction lift or pressure, use the smallest practicable bore size of tubing and run the pump at the slowest possible speed. Always make an immersion test before choosing a tube material for critical applications. Immerse a short length of the tubing (always available from Watson-Marlow Bredel or its distributors) in a closed container of the fluid for 48 hours, and then examine it for signs of attack, swelling, embrittlement or other deterioration.
Successful peristaltic pumping depends utterly on the quality of the tubing. That`s why Watson-Marlow has invested in its own class-J clean room and computer-controlled extruders to produce the world`s finest pharmaceutical-quality platinum-cured silicone tubing with:
Watson-Marlow is the only peristaltic pump company extruding its own silicone tubing, providing unique integrated pump and tubing supply of both standard and custom product in any volume.
Chemical Metering Pumps
620 Pumps Bring Value for Life to Food, Pharmaceutical and Chemical Users Flow rates from 1 microliter/min to 4.8 gpm (18 liter/min) Pressures up to 60psi (4 bar) 2650:1 speed control range across eight drive variations PIN - secure Process Protection: full pump configuration protected by dual operator/supervisor PIN codes to safeguard your process IP31 (NEMA 2) wipedown and IP66 (NEMA 4X) washdown rated drives Numeric keypad control of all functions Full industrial-standard connectivity - RS232/RS485 Ability to scale speed provides a "drop-in" replacement for diaphragm pumps LoadSure tubing elements for rapid changeover and perfect fit every time Stroke control inputs allow drop-in replacement of chemical metering pumps The new 620 pumps provide 50% more flow than their predecessors in a housing which is half the previous size. Choose the 620S for standard manual control, the 620U for auto analog control or the top-of-the-range 620Du for remote analog/digital control with key-in flow rates. Customers requiring precision dispensing with batch records should use the 620Di. Value for life - We engineer the pumps` performance to enable high flow rates, while maintaining long tube life and low maintenance. We don`t just increase the speed. 520Di high accuracy benchtop dispenser Accurate to within ± 0.5% Dispenses 100ml in 1.4 seconds Soft-start "ramp" to reduce splashing Non-drip function eliminates drips at dose end Dial-up flow rates from 4 microliters/min to 4.4 liter/min Dispensing by keypress or a remote footswitch/handswitch Two models IP31 or IP66/NEMA 4X washdown sealed enclosure RS232 and RS485 control via serial communications Store up to 50 dispensing programs Three year comprehensive warranty The new 520Di pump combines extraordinary levels of functionality with an on-screen menu, easy-to-use tactile membrane keypad and an alphanumeric display. Brushless DC motor with 3,500:1 speed control. Full RS485 control via serial communications. With no impellers, vanes or valves, the 520Di dispenses delicate fluids without damage or degradation – even fragile cell cultures. Suspended solids are no problem. The result: higher yield, no product damage, improved product quality. Can be fitted with either the 505L low-pulse accurate pumphead … more, or the high flow 520R2 single channel pumphead … more, as well as the multi-channel 313 three roller (or 314 four roller) pumpheads with flip-top design. Finally, for microliter flow, low volume multi-channel dispensing, the 505CA is available for up to 48 channels... more Mini hose pump now 30% smaller Designed for flow rates up to 2.3 gpm and discharge pressures up to 110 psi Metering pump accuracy +/- 1% Direct-coupled design, 30% smaller footprint Improved choice of flanges, threaded inserts or sanitary connectors Stainless steel supports – no baseplate Unique leak zone to protect your drive Rotor fully supported on its own bearings Cover with only 4 bolts (2 on SPX10) Two year warranty We have expanded our range of direct-coupled SPX pumps with the new SPX10 and SPX15. A rugged hub with a two bearing rotor is at the core of every SPX pump. The pump bearings absorb the forces occurring in the pump centrally, placing no load on the gearbox bearings, which means no coupling, no alignment and no heavy-duty baseplate, all fasteners stainless steel - resulting in less installation time, less maintenance and lower costs.
The new 620 pumps provide 50% more flow than their predecessors in a housing which is half the previous size. Choose the 620S for standard manual control, the 620U for auto analog control or the top-of-the-range 620Du for remote analog/digital control with key-in flow rates. Customers requiring precision dispensing with batch records should use the 620Di.
Value for life - We engineer the pumps` performance to enable high flow rates, while maintaining long tube life and low maintenance. We don`t just increase the speed.
With no impellers, vanes or valves, the 520Di dispenses delicate fluids without damage or degradation – even fragile cell cultures. Suspended solids are no problem.
The result: higher yield, no product damage, improved product quality.
Can be fitted with either the 505L low-pulse accurate pumphead … more, or the high flow 520R2 single channel pumphead … more, as well as the multi-channel 313 three roller (or 314 four roller) pumpheads with flip-top design. Finally, for microliter flow, low volume multi-channel dispensing, the 505CA is available for up to 48 channels... more
We have expanded our range of direct-coupled SPX pumps with the new SPX10 and SPX15. A rugged hub with a two bearing rotor is at the core of every SPX pump. The pump bearings absorb the forces occurring in the pump centrally, placing no load on the gearbox bearings, which means no coupling, no alignment and no heavy-duty baseplate, all fasteners stainless steel - resulting in less installation time, less maintenance and lower costs.
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