Flotronic – Pioneering the “One-Nut” Air-Operated Double Diaphragm Pump

Flotronic has made its name by developing its unique product, the “One-Nut” air-operated double diaphragm pump (AODD). This pioneering design offers swift disassembly without disconnecting the pump from the process pipework.

Flotronic One-Nut pumps can transfer a wide range of materials of varying degrees of viscosity and solids content. They can pump chemicals, adhesives, cosmetics, drinks, dyes, foodstuff, paints, pharmaceuticals and solvents. Our clients’ products are extremely diverse, ranging from industrial acids to hand creams and various food products.

Flotronic® Sanitary Pump

Designed with 3A & EHEDG in mind using FDA, USP Class VI and (EC) 1935/2004 approved materials; our range of Sanitary Diaphragm Pumps help maintain and improve hygienic conditions on your site.

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Flotronic® 710 Series Stainless Steel Pump

Fabricated 316L stainless steel or Hastelloy® on all wetted metal parts offers unrivaled versatility. These FDA compliant Air Operated Double Diaphragm Pumps are used extensively throughout the industry.

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Flotronic® Slimline Pump

A compact and self-draining Diaphragm Pump available in FDA approved 316L stainless steel, aluminium, Duplex 22, and Hastelloy®; used in an array of industries.

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Flotronic® Good Food Pump

Double Diaphragm Pump ideal for pumping your food products, especially on high viscosity low shear applications. Designed for ‘quick strip’ which is tool free or the pumps can be ‘cleaned in place’ (CIP), manufactured throughout from FDA approved materials. The 'Good Food' pump gives food industry customers very specific benefits.

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Flotronic® Barrel Unloading System

The Flotronic Barrel Unloading System combines our unique ‘One Nut’ Sanitary Air Operated Double Diaphragm Pump with our Barrel Unloading Skid; perfect for high viscosities.

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Flotronic® Chemflo PTFE Pump

FDA Compliant PTFE AODD Pump machined from a solid block of Virgin or anti-static PTFE, housed completely inside a stainless steel casing, providing safe transfer of your hazardous liquids.

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Flotronic® Minichem PTFE Pump

The Minichem is a totally unique design of FDA Compliant PTFE Double Diaphragm Pump machined from one solid block of PTFE, removing the need for separate manifolds.

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Flotronic® 500 Series Plastic Pump

Unique Polypropylene / PVC plastic Double Diaphragm Pump design normally used for pumping / transferring solvents, acid or chemicals, often as a low cost option to stainless steel.

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Flotronic® One-Nut Double Diaphragm Pump Accessories

A wide range of additional accessories and customization options to ensure your Flotronic® One-Nut pump meets your application requirements.

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Supplying AODD Pumps to Industries Worldwide

The pioneering One-Nut air-operated double diaphragm (AODD) pumps changed the industry by providing:

  • Reduced downtime through simplified assembly/disassembly
  • Savings in easier maintenance and increased performance
  • Best-in-class, when Clean in Place is a requirement
  • Easy / quick maintenance
    • Self-draining
    • 60% less product left in the pump than any competitor AODD pump, for reduced waste and more efficient cleaning
    • Ability to CIP or SIP (steam in place) at up to 7Bar / 100 psi

UHT engineers can provide bespoke pumping solutions to meet your needs, with applications experts to work together with you to put the right solution into your production facility.

Case Studies



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Diaphragm Pump On Cleaning Skid

A chemical manufacturer based in the US required a mobile cleaning skid; to be used on their plant, in the production of intermediate chemicals, for flavors, fragrances, cosmetics, aroma

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AODD Pump Barrel Unloading System on 500000Cpc

DRUM UNLOADING SYSTEM ON SILICON AT 500,000CPS An Original Equipment Manufacturer based in Belgium and Specializing in Medical Grade Silicones for scar prevention and treatment, needed to be able to safely

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AODD Pump In The Iced Tea And Soft Drinks Industry

A Multi-National manufacturer of Flavoured Iced Tea and Soft Drinks required a solution to their flavour distribution pumps. The area was plagued by unreliable pumps and an intensive

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Bespoke Trolley For An AODD Pump

A major pharmaceutical manufacturer in Dublin, Ireland came to Flotronic Pumps looking for a pumping solution. The application was to decant chemicals safely from 220 litre containers into

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AODD Pump On Pharmacuetical Sample Loop Application

A leading Global Pharmaceutical company took on a project to modernise the taking of samples from reactors. In order to do this they required a bespoke pump which

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Hygienic Diaphragm Pump on Food Processing Skid

AODD PUMP FOR OEM SERVICING THE SNACK FOOD INDUSTRY Snack Engineering is a company based in Northern Ireland who offer specialist support and bespoke machinery mainly to

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Double Diaphragm Pump Transferring Kimchi Sauce

A Japanese food manufacturer transferring Kimchi Sauce with Rotary Pumps were having a problem with stainless steel particles caused by stainless steel friction within their Rotary Pump. Metal detectors

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Pumping Chocolate With An Air Operated Diaphragm Pump

A French Confectionary manufacturer needed to transfer Warm Chocolate containing Whole Almonds. Obvious concerns were the Viscosity of the Chocolate at 6,000Cps, Whole Almonds at up to 13mm and a

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Diaphragm Pump For Pharmaceutical Skid

Flotronic provide Air Operated Double Diaphragm Pumps to a Pharmaceutical Skid Manufacturer for Clean Chemical Transfer Solutions. A Global Skid Manufacturer required pumps with very specific application requirements to transfer chemicals in a

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Critical CIP Chemical Pump on COVID 19 Vaccine

A Skid manufacturer based in the USA, working on behalf of a major Pharmaceutical Manufacturor of a COVID-19 Vaccine, required very reliable pumps on an application pumping CIP chemicals

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EHEDG Diaphragm Pump On Syrups And Chocolate

A major producer of flavours and fragrances in Germany was faced with problems controlling their flow rates caused by the electric-driven pumps that were being used on their filling machines.

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Pump Sulphuric Acid With An AODD Pump

An International Car Manufacturer needed to Pump Sulphuric Acid at one of their plants in the UK. Obviously this material needed to transferred safely; with pump longevity and the time between

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AODD Pump Solves Problem In Personal Care Industry

A Global Personal Care manufacturer required a Sanitary Double Diaphragm Pump to add a food grade ingredient to its process at a very low flow rate. The problem was that

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Pump Tomato Pieces from Low Risk through to High Risk

A Food manufacturer in the UK needed to pump Tomato pieces / purees from 220 ltr 'Bag in a Drum' barrels. The pump needed to be self priming, even on

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Pump Cooking Oils And Flavoured Water

Flotronic‘s unique 'One Nut' sanitary style AODP is being utilised by a major UK food manufacturer in the transportation of flavoured waters and oils to their food products

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Pump Flammable Liquids with ATEX Rated Diaphragm Pumps

A prestigious automotive manufacturing plant in the UK required specialist pumps for safely transferring a variety of liquids including but not limited to petrol, diesel and

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Heated Hot Water Jacket Solves Product Solidifying Problem

A personal care intermediate chemical manufacturer in the USA had an issue pumping a chemical that goes off at ambient temperatures, tending to solidify if left to go cold.

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Diaphragm Pump Offloading Ethanol From A Road Tanker

International specialty chemical manufacturer needed to pump ethanol from road tankers into their storage tanks. The Flotronic 710 range of 316L stainless steel Air Operated Double Diaphragm Pump is perfect for this

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When You Need To Pump Solvents Safely

An international producer of flexible printed packaging needed to pump solvents safely at one of their plants in the UK. The pumps were needed in an ATEX rated area, and

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How Do I Pump The Correct Weights

European ready meal manufacturer were having problems with incorrect weights of product going into their mixing vessels at one of their 3 plants in the UK. One of the accessories available

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Pump Hand Sanitiser To A Drum Filler

An international specialist chemical manufacturer; branching out into the production of bulk hand sanitizer needed an hygienic pump that was able to keep up with their production requirements, and deliver

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The Only AODD Able To Handle High Inlet Pressure

International Paint manufacturer with plants in Europe was having problems with standard AODP due to thermal expansion in pipelines outside the factory. Product was being heated up in the pipelines

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Pump Cosmetics To Depositing And Filling Heads

A global contract personal care manufacturer with plants based in the UK are using the Flotronic 'One Nut' sanitary style air operated double diaphragm pump, to pump their full range of personal

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Pump Acetone To Aerosol Filling Head

International aerosol filler / manufacturer with plants all over Europe needed ATEX certified pumps to pump acetone from IBCs to volumetric filling heads. Their existing piston pump suffered from constant

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How To Pump Paint To A Filling Head

One of the Top 10 decorative paint manufacturers in the World, needed to pump water based decorative paints from their storage tanks to filling lines at one of their plants

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EHEDG Sanitary Double Diaphragm Pump

When an international Personal / Household care manufacturer needed sanitary air operated double diaphragm pumps for its manufacturing plant based in Hungary; Flotronic were happy to provide one of their

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Diaphragm Pump for Hand Sanitiser Production

UK based personal care products manufacturer need to ramp up its hand sanitiser production line. Flotronic were able to supply one of their Sanitary style 316L stainless steel range of

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Flotronic Pulsation Damper On Homogenizer Application

A global soft drinks manufacturing company – for whom Flotronic Pumps Ltd are the preferred air operated double diaphragm pump supplier – came to Flotronic with a non-air operated diaphragm pump

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Diaphragm Pump On Pharmaceutical Sample loop application

International active pharmaceutical ingredients (API) manufacturing company with plants based in the Republic of Ireland were having problems with tubular diaphragm Pumps. Tubes would fail meaning that oil was able

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How To Pump Oils Creams And Gels In The Cosmetics Industry

Leading contract cosmetics manufacturer based in the UK working with many of the leading Global health and beauty brands, needed a reliable and safe method for pumping the many and

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Flotronic Pump Zinc Oxide Slurry Successfully

United Stated based pharmaceutical ingredient manufacturer in Rochester, NY had severe issues pumping a zinc oxide / water slurry. The traditional AODD design pump was being overhauled or replaced a minimum

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Barrel Unloading System Pumping Tomato Puree

A Sauce and Chutney manufacturer with manufacturing plants in the UK needed to update their methods for getting Triple Concentrate Tomato Puree from 220lt drums. Previously they were using ‘stick’ pumps

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AODD Pump Transferring A Range Of Chemicals

UK based quilt and pillow makers based in relies upon several Air Operated Double Diaphragm Pumps from FPL in their production processes. The company uses 20 million kgs of feathers and 10 million

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AODD Pump Transferring Adhesive

When an International Adhesive manufacturer needed to increase their flow of adhesive they turned to their supplier of Air Operated Double Diaphragm pumps. For over six years thier "One Nut" fast maintenance AODD

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Double Diaphragm Pumps In The Brewing Process

For over four years now, a UK Based Brewery have been using two Air Operated Diaphragm pumps from Flotronic Pumps Limited to transfer yeast at different stages of their brewing process.

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Diaphragm Pump For Tanker Offloading

World leading paint manufacturer needed to improve their tanker offloading of Acrylic Acid. Having used Flotronic Air Operated Double Diaphragm Pumps for many years throughout their site, they asked if Flotronic

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Hygienic Diaphragm Pump For Sauce And Relish Transfer

A UK sauce manufacturer who is a supplier to one of the world's most popular fast food chains, has been able to speed up its filling process using a fast maintenance,

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Fast Strip Down Easy Clean Diaphragm Pumps

UK based laboratory with expertise in the development and manufacture of branded products for the pharmaceutical, toiletry and household markets. Specialising in liquids, lotions, creams, gels, suspensions and alcohol-based formulations;

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Pump Mayonnaise To A Filling Head

A ready made salad manufacturer based in the UK were having problems pumping their mayonnaise and after trying both progressing cavity and air operated stick pumps they turned to Flotronic

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Pump Corrosive Chemicals

UK based manufacturers of industrial cleaning and maintenance chemicals have been using the Flotronic 'One Nut' Air Operated Double Diaphragm Pump for nearly twelve years at the heart of their process. Three

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Double Diaphragm Pump On Hot Wax Application

After replacing their older style 'figure of eight' AODP which regularly failed, with Flotronic 'One Nut' pumps, they have almost forgotten they are there. The Flotronic air operated double diaphragm pumps have

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How To Pump Spirits In The Distillery

It is well known that air operated double diaphragm pumps are often specified in the chemical industry where explosive/flammable environments exist, but less commonly known in alcoholic drinks production. But not

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Diaphragm Pump For Personal Care Products

A renowned UK producer of luxury bathing products, some years ago switched from electrically driven pumps to the unique 'One Nut' fast maintenance double diaphragm pumps from FPL and saved both time

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Pump A Range Of Concentrates And Syrups

Leading soft drinks manufacturer based in the UK needed to speed up their concentrates pumping so turned to Flotronic Pumps and following a successful trial purchased a number of their

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Pumping Pie Fillings With An AODP

One of the UK’s leading manufacturer of pies and sausages, with factories in Nottingham and Trowbridge purchased two Good Food Pumps from Flotronic Pumps Ltd and have saved a significant

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How Do I Pump Specialty Flavours

USA owned flavourings company based in the UK, relies upon Hygienic Air Operated Double Diaphragm Pumps from FPL in the production of speciality flavours, used in the food and pharmaceutical

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Safe and Efficient Chemical Pumps

British speciality chemical manufacturer has streamlined its blending operations – and reduced downtime - using six 710 series Hiflo Double Diaphragm Pumps from Flotronic Pumps Ltd. The media being pumped ranges from

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Do You Need To Pump Fragrances or Flavours

One of the worlds leading fragrances, flavours and food ingredients companies are using the Flotronic Air Operated Double Diaphragm Pumps as their site standard, replacing the older style 'figure of

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Hygienic Double Diaphragm Pump Transferring Essential Oils

As a result of seeing an advert for the 'One Nut' AODP from Flotronic Pumps Ltd, an international essential oils manufacturer based in the UK were impressed with the simplicity of

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How To Pump Tomato Pizza Toppings

Well know pizza manufacturing company were planning their new pizza factory in the UK, they turned to Flotronic Pumps to pump their range of tomato toppings and as a result have

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Pump Flavorings For Toothpaste Production

When an international toothpaste manufacturer needed to expand and upgrade their toothpaste flavour dosing system they turned to Flotronic Pumps. Due to increasing customer choice the number of flavours had steadily

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Double Diaphragm Pump Offering Inline Maintenance

Zotefoams PLC manufacture a range of closed cell crosslinked polyolefin foams using a unique, environmentally friendly, nitrogen expansion process. Switching from traditional designed double diaphragm pumps to the 'One Nut' fast

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Need to Pump Paint and Lacquers

When Schefenacker Vision Systems UK Ltd, a major producer of car door mirrors, were looking to improve their Paint Kitchen they trialed a "One Nut" Air Operated Double Diaphragm Pump

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Pump Chemicals Safely With an AODP

UK based manufacturer of speciality chemicals has reduced its pump maintenance time from half a day to less than half an hour, using a 'one nut', polypropylene Air Operated Double

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Pump Glucose And Syrup For Cereal Bar Production

UK leading cereal bar producers has recently expanded their production of cereal bars by investing in a new production facility at a cost of between Euro 5 and 6 million

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Pump Specialist Coatings With The Flotronic Diaphragm Pump

Four years and no maintenance required. Yes that’s what one specialist coatings manufacturer has found since installing the Flotronic 500 Series ‘One Nut’ Double Diaphragm Pump. A specialist manufacturer of coatings to the

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Pumps for CIP Chemicals Transfer

UK based creamery replacing older style diaphragm pumps with their "One Nut" quick maintenance pump, Flotronic Air Operated Double Diaphragm Pumps are used for pumping caustic and nitric acid as

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AODD Pumps Perfect For Personal Care Products

When Klockner Pentapack switched from drums to pallecons they reviewed their pumping needs. Previously they had been using air operated piston drum pumps but the switch to pallecons enabled them to

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Diaphragm Pump For Pharmaceutical Confectionery

For over five years 'One Nut' Air Operated Double Diaphragm Pumps from Flotronic have been working reliably in the medicated confectionery plant, requiring minimal servicing. A top end contract manufacturer supplying shops in almost

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Pulsation Damper Eliminates Pipework Damage

A leading soft drinks manufacturer had a serious problem with pipework pulsation from a rotary lobe pump, resulting in pipes being ripped from their supports and a fracture to an

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Pump Fruit Puree With A Diaphragm Pump

Sunjuice Ltd, part of the Jamaica Producers Group, is the European market leader in freshly squeezed juices, crushes and smoothies. Essential to their success has been the importance of supplying

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How Can I Pump Sauce Between Cooking Vessels

An international, food processor needed a hygienic AODP for the production lines at one of their sauce production plants based in the North of the UK Flotronic was able to supply two of their

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Pump Concentrates Or Puree Containing Whole Fruit

As their business grows, SIAS Foods (UK) Ltd realised that they needed to improve their handling of fruit pulps, when they saw an advert for the Good Food Pump from Flotronic.

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Pumping Specialty Chemicals

A leading supplier of specialty chemicals, turned to Flotronic when they had to transfer a 'dense' chemical with an SG of over 2.0 as the existing AODD pumps could not cope.

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Emergency Recovery Pump For Aggressive Chemicals

When Sutton & Son (St Helens) Ltd were looking for a mobile pump to fit on their Emergency Response Units, following a successful trial, they settled on the Chemflo all

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Pump Speciality Chemicals Sealants and Adhesives Chemicals Sealants and Adhesives

The customer, a specialty chemical manufacturer in the Midlands, produce a range of specialty products destined for a variety of applications including: surface finishing processes for the automotive, aerospace, telecommunications,

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Pumping Viscous Cosmetics with a Diaphragm Pump

When Revage Cosmetics, a contract manufacturer in Horley were faced with pumping a Dead Sea Mud they first tried progressing cavity, peristaltic and piston pumps without success.

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