Universal 3 series PD pump with front loading seals

SPX Flow has announced the release of a new series of positive displacement (PD) pumps, the Universal 3 Series, from its Waukesha Cherry-Burrell brand. The pumps are designed with key features, including a robust front-loading seal design to deliver new levels of sanitary performance and increased up-time.

The innovative, new pumps are 3-A certified and can be cleaned-in-place (CIP) as standard. Connection of the rotor and shaft is completely sealed from the product zone to prevent any contamination and reduces the risk of internal corrosion. The front loaded seals are easy to maintain, reduce maintenance times and are available in a choice of materials and types; including single and double mechanical and O-ring versions to suite a wide variety of process applications.  The pumps further provide the versatility of bi-directional flow capability and 3-way mounting for easy integration into process systems.

Designed for operating up to 500 psi (34.5 bar) pressure and 149°C temperature as standard, the Universal 3 offers customers exceptional robustness for long life operation. The values vary depending on the pump size and rating option. Key features include a heavy duty stainless steel frame, double tapered bearings, positive lubrication of bearings and the use of a wave spring to extend outer seal life. Shorter, large diameter shafts made from 17-4PH stainless steel reduce overhung loads, improve seal life and provide greater torque capacity; which enables the pumps to be used in higher pressure applications.

Close running clearance rotors reduce slippage and add benefit in terms of improved sanitary performance and longevity. Combined with a long sealing path from inlet to outlet, the pump is further designed for low slip operation, high efficiency, good priming capability and effective flow control.

When it comes to pumping high viscosity fluids containing large particles; high efficiency is achieved from rotors with large fluid cavities and easy entry, anti-cavitation ports. Even for non-lubricating and abrasive fluids, the pump is designed to maximize service life as it has no bearings in contact with the process fluid, no internal sliding or rolling contact, and no rotor-to-rotor contact.

Combined with precision engineering, low maintenance overheads and features designed to maximize pump life; the Universal 3 offers a reliable pumping solution with sound return on investment.


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