Technological advancements have led to the development of many compact diaphragm pumps which are relatively simpler in design. This has resulted in an increase in adoption of diaphragm pumps in many industries, thus resulting in steady growth of diaphragm pumps market during the forecast period. Moreover, characteristics of diaphragm pumps like variable flow control, relatively lower maintenance cost and relatively lower downtime tends to render diaphragm pumps ideal for a gamut of applications. In many offshore drilling applications diaphragm pumps are well suited to transport toxic and corrosive fluids without leakage, this tend to promote growth of diaphragm pumps market during the forecast period. Introduction of air operated double diaphragm pumps for transport of liquids containing large solids without utilization of electricity is expected to drive the growth of diaphragm pumps market.

The versatility of this pump type, and the range of applications that can be accommodated, is due in no small part to the wide range of materials than can be used in the construction of both for the pump body and the diaphragms. The diaphragm is literally the heart of the pump. Key factors to take into account when determining the suitability of a diaphragm pump for certain applications are the materials that need to be pumped, the temperature in which they are to operate, the potential effect on the equipment and of course the flex life of the diaphragm.

TPE diaphragms are manufactured by injection molding. As a result of their dimensional stability and tensile strength, TPE diaphragms do not need fabric reinforcement. Following are the available types of TPE diaphragms:

A section dedicated to pricing analysis of AODD pumps has been provided on the basis of Fluid Inlet & Outlet Size on regional fronts. The pricing analysis provides pricing by each configuration for the present scenario. Assumption and key considerations for the same have also been elucidated.

“As our product offering has become more expansive and our client base more diverse, we felt this was the perfect time to add this new pump-testing facility to the list of service offerings that we can provide for our channel partners,” said Luca Farris, General Manager of Finder Pompe. “When providing products for use in very demanding fields like oil-and-gas production and power generation, it is imperative that our clients have access to the best, most reliable and, yes, most exhaustively tested pumping equipment possible, and this new testing facility will help us satisfy those critical requirements.”

Check valves: Check valves control the flow of liquid into and out of the pumping chamber, and are exposed to the corrosive pumped liquid. Materials of construction are similar to those used for the diaphragm. There is one check valve at the inlet and one at the exhaust of each liquid pumping chamber.

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When peristaltic pumps are in use, the pump operator must be aware that constant squeezing of the tube degrades it over time, slowly diminishing the feed rate. Most manufacturers rate tubes in hours and the user must keep track of how many hours the pump has been running. When pump tubes are not regularly changed, or the injection point is not serviced, the pump tube may begin to leak. The user must also ensure that the pump tube materials, including the standard fittings (wetted parts), are compatible with the chemicals being injected. Manufacturers will list the materials that make up the wetted parts, enabling end users to determine the chemical compatibility of the fluid they are pumping. Modern peristaltic pumps have more tubing options and offer more chemical resistance and longer tube life than in the past.

Dover Corporation DOV has completed the acquisition of the All-Flo Pump Company, Limited ("All-Flo"). Headquartered in Mentor, Ohio, All-Flo is now part of the Pump Solutions Group (PSG) business within Dover’s Fluids segment.Notably, All-Flo is a manufacturer of specialty air-operated double-diaphragm ("AODD"), which is used in a wide range of industrial applications to transfer abrasive, viscous and hazardous fluids, sludges and slurries. The acquisition boosts PSG’s leading AODD pump portfolio and expands its geographic presence in the specialty pump market.Dover’s PSG unit is a global leader in the manufacture of pumps, systems and related technologies. The acquisition strengthens PSG’s leading market position, as well as is in sync with Dover’s strategic approach of deploying capital in close-to-core markets with sustainable growth by creating value for shareholders. All-Flo generated around $12 million revenues in 2018 and will likely be accretive to Dover’s margins in the Fluids segment. Moreover, the buyout is anticipated to generate double-digit cash Return on Invested Capital (ROIC) within three years.On Apr 3, Dover’s PSG unit has completed the sale of Finder Pompe S.r.l ("Finder") to Gruppo Aturia S.p.A. The divesture is in line with Dover’s strategy to reduce exposure in highly-cyclical upstream energy markets. It also enabled its PSG business to focus on hygienic pump technologies and positive displacement.Coming to the price performance, Dover’s shares have appreciated around 26.4% over the past year compared to the industry’s growth of 10.6%.

The report segments the diaphragm pumps market on the basis of mechanism, action, discharge pressure, end-user and geography. Based on mechanism, the market is segmented into mechanical, hydraulic, solenoid and air. On the basis of action, the market is divided into single acting or double acting. Based on the discharge pressure, the market is segmented into pressure up to 80 bar, 80 bar to 200 bar and above 200 bar. According to end-user industries, the market is classified into water & wastewater, ceramic, oil & gas, food & beverages, chemicals, pharmaceuticals and others. Geographic breakdown and deep analysis of each of the aforesaid segments is included for North America, Europe, Asia-Pacific and LAMEA. Asia-Pacific is leading the market in terms of demand and is expected to be leading in the future as well.

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If you want your AODD pump to handle corrosive chemicals or fluids with fluctuating concentrations and/or pH levels, then it’s vital to make the proper selection of pump bodies and internal pump components to avoid pump corrosion, ensure compatibility, and reduce maintenance requirements. For such applications, plastic pump bodies such as polypropylene, PVDF, Kynar and PTFE are often chosen on account of their chemical inertness. The highest chemical compatibility is offered by PTFE, which can generally be safely used with the most basic chemicals to the most acidic acids. It could be, however, that PTFE is an over-specification. Other materials such as polypropylene or PVDF may suffice. It therefore makes sense to refer to the manufacturer’s chemical compatibility guides for guidance as to which are the optimal pump materials to use for the chemical or fluid you are working with.