When configuring a cost-effective pump, aluminium, polypropylene, Geolast, TPE and EPDM need to be high on your shopping list. As variables such as temperature or abrasives become more challenging, using an ultra-high molecular weight polyethylene (UHMWPE), neoprene or nitrile may be required, but this is going to increase the pump’s cost. Other materials that will add to the cost of the configured pump are specialty materials intended to handle the most extreme fluids. These materials include PTFE, PVDF, FKM, Hastelloy and stainless steel. A useful tip is to be open to using a different material when your pump has to be repaired. It might not be necessary to re-order exactly the same material. Consulting a chemical compatibility guide might help to identify other materials that are perfectly suited for the same fluid but come at a lower cost. The most cost-effective materials are Polypropylene, Geolast, EPDM, TPE and aluminium. To conclude, using UHMWPE, neoprene and nitrile will cost more and using PTFE, PVDF, FKM and stainless steel will be the most expensive choices.The key to the safe and reliable operation of an AODD pump is correct configuration. This involves taking fluid characteristics into consideration, for example, pH levels, abrasiveness, temperature and fluid density. The chemical compatibility is also important; manufacturers often provide guides to ensure pump materials are suitable for the fluid being transferred. These same websites often feature online pump selector tools to assist in configuring a pump in a matter of minutes and with a few clicks of the mouse.

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Metering pumps, also known as chemical dosing pumps or chemical injection pumps, have been used over the years for their high level of accuracy in pumping a wide variety of liquids in a host of end-use industries. The increased growth in most application areas and the promotion of energy-efficient products through the implementation of strict environmental regulations has significantly contributed to the expansion of the metering pumps market.

The sections that follow consist of the global AODD Pumps market analysis by material of construction, flow rate, fluid inlet & outlet size, application, end use industry and region/country. The overall analysis of the AODD Pumps market begins with overall global market assessment followed by analysis for numerous regions citing the macroeconomic environment of the particular regions. Each regional section of the report discusses qualitative data and quantitative aspects of the global AODD Pumps market.

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Because it is one of the most chemically inert compounds available, PTFE can be used with an extremely wide range of fluids. Also known as Teflon, PTFE is used with highly aggressive fluids such as aromatic or chlorinated hydrocarbons, acids, caustics, ketones and acetates. Its properties provide excellent flex life and moderate abrasion resistance. In addition, PTFE complies with FDA 21 CFR 177 and USP Class VI standards for food, beverage and pharmaceutical applications. Because PTFE is non-elastic, a backup diaphragm of a different material must be used to provide flexibility and memory. Material options for backup diaphragms are Neoprene, Saniflex and high temperature Buna-N.

From a technological perspective, the installation of the displacement pump significantly simplified the system as control valves and pipes previously required to adapt capacity to requirements were no longer needed. The design of the centrifugal pump meant it had to be set to a delivery volume which was far above the volume needed in order to meet the desired discharge pressure. Excess capacity was drained off and led back, leaving the efficiency of this system at a mere 20%. The new system with the displacement pump on the other hand, achieves an efficiency of more than 90%. Schlüter regards the simplification of the system technology as an additional advantage; removing unnecessary, superfluous complexity.

Various rubber components are used in the manufacture of diaphragms and a nylon fabric mesh is used for dimensional stability and additional strength. Elastomers such as Neoprene, Buna-N, EPDM, (Nordel) and Viton are the most frequently used. Their chief characteristic is flexibility which allows more volume to be displaced. Thermoplastic materials are also available for manufacturing diaphragms. These are produced by an injection moulding process and require no fabric reinforcement for dimensional stability or tensile strength. The most popular are polyurethane, Hytrel, Santoprene and Teflon. Polyurethane gives excellent general purpose diaphragms which are the most economical of all, with extremely good flex life.

The selection of the ideal sealless thermoplastic pump for a particular application requires a thorough awareness …

Corrosion and potential metal contamination of the fluid can be prevented by constructing the shaft of Type 300 Series stainless steel, and sleeving the shaft with a thick-walled thermoplastic material.

If a plant isn’t suitably designed for the application of an AODD pump, the pump could end up costing more to run than it should. Having said that, the cost of ownership of the pump itself can be broken down into investment and installation costs, maintenance and upkeep costs including labour and spares, energy costs as well as waste removal and disposal costs.

Research study on the Diaphragm Pump Market was performed in five phases which include Secondary research, Primary research, subject matter expert advice, quality check and final review.