Based on previous positive experiences Puralube had with one of SPX’s pump brands, Bran+Luebbe, SPX was shortlisted as a supplier for a replacement pump. Puralube ultimately selected Bran+Luebbe’s three head design NOVADOS series 3H6 diaphragm pump with PTFE double diaphragm. This technology achieves the required flow rate and the necessary discharge pressure within a small footprint area. The pump selected is fitted with a 55 kW drive motor that produces approx. 4900 l/h vacuum gas oil from a stroking speed of 156 min-1 and has a discharge pressure of 90 bar.

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Lastly, the package comes with an ULVAC UDP-6 CFM dual-stage diaphragm pump. This pump was specifically designed to Ai Vacuum’s specifications. It’s perfect for large-scale rotary evaporation or glass jacketed reactor applications. The pump’s membrane is coated with a special polymer for work involving particularly corrosive substances. It’s also powerful.

The air-operated, duplex nonmetallic pump is the type most widely used in the CPI. This configuration features two diaphragms linked by a common shaft. The suction stroke that draws pumped liquid into the pumping chamber doubles as the discharge stroke on the opposing diaphragm, which expels liquid out of that pumping changer. Like many positive-displacement pumps, the diaphragm pump has a pulsating discharge pressure.

The NSF/ANSI Standard 61: Drinking Water System Components – Health Effects is the American National Standards Institute’s (ANSI) certification for drinking water system components. The standard sets health effects criteria for water system components in an effort to minimize negative effects on the health and safety of the public and the environment. The NSF/ANSI 61 certification is available for the chemicals listed above on the Encore® 700 simplex, double simplex and duplex configurations.

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On the basis of end-users liquid handling technologies is further segmented as medical/forensics laboratories, pharmaceutical companies, research institutions, chemical industries and others (educational institutes, food and beverage industries and government).

Regional Analysis For Dosing Pumps Market: North America (United States, Canada and Mexico) Europe (Germany, France, UK, Russia and Italy) Asia-Pacific (China, Japan, Korea, India and Southeast Asia) South America (Brazil, Argentina, Colombia etc.) Middle East and Africa (Saudi Arabia, UAE, Egypt, Nigeria and South Africa)

In contrast, diaphragm metering pumps include check valves in the suction and discharge side of the pump head. If either set of check valves becomes fouled, the pump will not meter accurately, and loss of prime may occur. Diaphragm pumps may create shear stress on fluids, particularly if the pump employs a high velocity stroke action.