Faster Freeze Drying with Pumps from Metallurgical High Vacuum

FENNVILLE, Mich., Sept. 18, 2012 /PRNewswire/ -- A freeze-drying system is only as good as its vacuum pump and when it's worn or leaking, production suffers. Water and other vapors from freeze-drying processes, as well as wear, can cause these pumps to fail and halt production. Beach-Russ pumps are frequently used in food processing, but are out of production and parts are almost impossible to find, causing big headaches for plant managers.

(Photo: http://photos.prnewswire.com/prnh/20120918/PH75898-a )
(Photo: http://photos.prnewswire.com/prnh/20120918/PH75898-b )

Metallurgical High Vacuum provides cost-effective rebuilding services for Beach Russ RP-750 D pumps that can get plants back into production. MHV can re-engineer and machine "obsolete" parts that give a new lease on life to these pumps.

"We can make these pumps look and run almost like new," notes Geoff Humberstone, MHV President. "We helium leak-check and then hot-test each pump for up to 24 hours to be sure they are running properly when we are done. This is the quality assurance MHV provides, and the plant managers and maintenance staff appreciate it."

There are a lot of wearing parts in Beach-Russ pumps from housings, bearings, shafts, vanes and rotors. MHV will tear an old pump down, check each critical dimension, and then replace or re-manufacture parts in-house with their extensive CNC capability.

MHV offers new bolt-in replacement vacuum pumps designed to handle the water vapors encountered in both primary and secondary freeze-drying drying operations. They can also provide faster pump-down cycles with their higher pumping capacities of 300 CFM and 414 CFM. MHV Survivor™ vacuum pumps use a proven oil-sealed rotary piston design for excellent reliability even in demanding operating conditions encountered in freeze-drying.

A standard gear-type oil pump provides positive lubrication of bearings and all other moving parts. The heavy-duty roller bearing design on main shaft extends life and gives better resistance to corrosion. Filtration in the model HD 430 can handle particles and acids to further extend operating life.

Stella & Chewy's creates healthy food and treats for dogs, and they are using Metallurgical High Vacuum Pumps in their patented process. They start with fresh, uncooked meat, poultry, fish, fruits and vegetables and use a patented process to prepare them in their ultra-clean plant.

"The higher pumping speed of the MHV pumps enables us to speed up the process," notes Bill McCall, Director of Operations. "We'll start at 400 to 600 mTorr then target 600 to 800 mTorr to finish the drying. The MHV pumps are able to handle the water vapor readily, which is a benefit for us."

MHV offers local technical support and all pumps are made in USA for high quality.

Visit our website:   www.methivac.com or call MHV at: 877-787-9880 to learn more.

About Metallurgical High Vacuum

Metallurgical High Vacuum Corporation is a vital supplier in the vacuum technology industry. With over a quarter-century in the business, they have earned a reputation for responsiveness with high-quality engineering and manufacturing that is unsurpassed. Customers depend on MHV for keeping their operations running, and costs under control. MHV products and services include new pumps and systems, vacuum piping and manifolds, flexible connectors, vacuum valves, custom oil filtration systems, helium leak testing, and field repair. Rental pumps and blowers are also available; call to check inventory.

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SOURCE Metallurgical High Vacuum