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Hansen Technologies Corp.
6827 High Grove Blvd
Burr Ridge, IL 60527 USA

Tel: (+1) 630-325-1565
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info@hantech.com

Contact: Misty Melvin
Hansen Technologies
630-325-1565
info@hantech.com

BURR RIDGE, Illinois USA – June 28 , 2006

Hansen Technologies introduces the AUTO-PURGER PLUS, a totally automatic, electronically controlled non-condensible gas (air) and water purger for reducing the energy costs of operating an ammonia refrigeration system.  The Hansen AUTO-PURGER PLUS efficiently and automatically helps maintain condensing and suction temperatures at nearly optimum operating conditions.  Because both air and water removal functions are incorporated into one compact unit, floor space, maintenance, and energy are minimized.  Additionally, the operation of the AUTO-PURGER PLUS is very similar to the Hansen standard AUTO-PURGER so those familiar with the AUTO-PURGER will find it very easy to use and maintain.

FEATURES

• Compact wall mounting saves floor space

• High capacity water separation – up to
7  gallons per day

• High capacity air separation – up to 20 times the capacity of competitor units

• Continuous automatic operation – no attendant required

• Requires less energy to operate – single phase, 115V, 20A circuit

• LCD console displays purger data

• On-board diagnostics

OPERATION

The AUTO-PURGER PLUS collects non-condensible gases (air) from the refrigeration system and releases the air to a water bubbler.  The AUTO-PURGER PLUS also collects and releases water from the refrigeration system.  The water is first concentrated in the evaporator section of the AUTO-PURGER PLUS using the foul gas from the condenser purge points as
part of the normal operation of a non-condensible gas purger.  The evaporator is supplied by pumped, water-contaminated, refrigerant liquid from the lowest temperature recirculator vessel.  As the refrigerant boils off in the AUTO-PURGER evaporator, the water is left behind.  At about 20% water concentration the purger then isolates the mixture of water and ammonia and further concentrates the water with hot gas and electric heat.  At approximately 90% water concentration the liquid is automatically drained to a customer supplied container.  The AUTO-PURGER PLUS then repeats the cycle of separating air and concentrating water.

For more information on the Auto-Purger Plus, view the Product Data Sheet at www.hantech.com.

About Hansen

Hansen Technologies Corporation continues to lead the industrial refrigeration industry with innovative products, excellent customer service and outstanding technical support.  Hansen offers an extensive line of components for industrial refrigeration systems including sealed motor valves, control valves, shut-off valves, pressure-relief valves, refrigerant pumps, air purgers, defrost controls and liquid level controls.  Hansen is a subsidiary of Roper Industries (NYSE:ROP), a diversified industrial company that produces engineered products for global niche markets.  For more information on Hansen products and services, please visit us at www.hantech.com or call 800-426-7368.

Hansen Technologies is a global leader in designing and manufacturing components for large industrial and commercial refrigeration systems. Our success results from high-quality, innovative products, exceptional customer service, and unequaled expertise in the refrigeration industry.

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