Diaphragm Pumps

A leading choice in today’s market, Tapflo Diaphragm Pumps use no-nut, clean-face diaphragms, with 70% fewer parts than other AODs. With the ability to self-prime & handle corrosive, abrasive & viscous fluids, these pumps can run dry without damage, provide bi-directional flow, and operate without glands/seals, reducing overall wear.

What is a Diaphragm Pump?

Diaphragm Pumps, one of the most commonly used pump types on the market today, are Positive Displacement Pumps that use two sets of internal diaphragms, constructed from PTFE or rubber, that work simultaneously to create pressure to push fluid through the pump.

Advantages of Diaphragm Pumps

All Tapflo Diaphragm Pumps use no-nut, clean-face diaphragms to ensure that no liquid can penetrate the diaphragm and are built with 70% fewer parts than other AODs on the market today. Some key benefits of using Diaphragm Pumps are:

Self-priming capabilities, eliminating the need for external priming
Handles corrosive, abrasive, viscous, and shear-sensitive materials
No seals or glands, reducing the risk of wear and tear on common working components
Can operate under dry-run conditions without damage
Handles fluids containing solids or particles
Steady and pulse-free flow
Safe for hygienic applications
Leak-free operation
Explosion-proof options
Air-driven and electrically driven options available
CIP and SIP executions available

Common Industries & Applications

Chemical
Surface Treatment
Water Treatment
Pulp & Paper
Hygienic
Food & Beverage
Mechanical
Print, Paint & Varnish

What are Your Fluid & Media Transfer Characteristics?

To choose the appropriate Diaphragm Pump for your application, ask yourself the following questions:

What media will be pumped? Consider the chemical composition of the media you will be pumping – is it chemically neutral or corrosive, shear sensitive etc.
What is the viscosity of the media you intend to pump? Consider viscosity limitations, shear sensitivity etc.
Do you need to pump fluids containing solids?
Is your environment or fluid explosive?
Do you require self-priming?
Do you require CIP/SIP?

Materials Available

HDPE and PTFE: HDPE offers a superior wear resistance which is 6 – 7 times stronger than polypropylene (PP), offering greater mechanical strength. Polypropylene is a standard material used by most Diaphragm Pump manufacturers and often weakens over time when used with aggressive applications, which is why Tapflo offer HDPE. PTFE is a thermoplastic polymer which can handle the most aggressive chemicals, with a max liquid temperature of 100°C.
Aluminium, Cast Iron, Stainless Steel: Our metals are best for viscous, chemically aggressive fluids & fluids containing coarse solids.
Sanitary: Our sanitary range offers FDA and EHEDG-approved materials suitable for all fluids that are meant for consumption and cosmetics.

Some of our materials offer an ATEX option on request for explosive applications and environments.

Maintenance Required to Keep your Diaphragm Pumps Running

Conduct routine visual inspections of the pump’s components
Check and tighten the pump’s main nuts and bolts to the specified torque settings
Monitor and clean/replace the air filter regularly
Keep the air exhaust muffler clear of any obstructions
Inspect diaphragms for signs of wear
Check valve balls and seats for wear or damage and replace any worn/broken components
Regularly inspect suction and discharge pipework for blockages or leaks
Routinely monitor suction and discharge pressure gauges to ensure the system pressure remains within the working parameters of the pump
Consider maintenance intervals

Depending on the size of your pump and the fluid you are pumping, a more detailed maintenance schedule may be required.

Additional Factors to Consider

Will your pump be stationary, or do you need it to be portable? If you require portability, Diaphragm Pumps can be fitted to trolleys of any size to suit your needs.
Will you require additional accessories for your pump? Diaphragm rupture protection, level controllers, pulsation dampeners, and many other accessories to improve the performance of your pump even further are available.

ENGINEERED SOLUTIONSTAILORED TO YOUR NEEDS

DESIGN YOUR OWN SYSTEM

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02380 252 325

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Diaphragm Pumps

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HDPE & PTFE Air Operated Diaphragm Pump

ATEX Metal Diaphragm Pump

Metal Diaphragm Pump

Sanitary Diaphragm Pump

ATEX HDPE/PTFE Diaphragm Pump

Powder Pump

Barrier Diaphragm Pump

Aseptic EHEDG Diaphragm Pump

Pharmaceutical Pump

Diaphragm Drum Pump

Low Energy Air Pump

Low Energy Air Pump – Sanitary

Filter Press Diaphragm Pump

Electric Diaphragm Pump

Pulsation Dampeners for Diaphragm Pumps

Wall Mount Decanting Units

Insulating Covers for Diaphragm Pumps

What is a Diaphragm Pump?

What is a Diaphragm Pump?

Advantages of Diaphragm Pumps

Common Industries & Applications

What are Your Fluid & Media Transfer Characteristics?

Materials Available

Maintenance Required to Keep your Diaphragm Pumps Running

Additional Factors to Consider

ENGINEERED SOLUTIONSTAILORED TO YOUR NEEDS

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