PJM Takes On Odd Jobs and Unusual Projects

PJM recently rendered an unusual repair for a client that found themselves in a quandary when a mix blade broke off of a batch tank agitator, halting production. Our technicians, who are specially trained in confined space safety and specialty stainless steel welding, immediately geared up with all of the necessary equipment to complete the difficult repair. PJM is expert in a full gamut of mechanical services including HVAC, plumbing, refrigeration, process cooling, fire protection, custom fabrication, and even boom truck services, but much of the work we perform goes far beyond the confines of our list of services. With our training, experience, and ingenuity, PJM can and will take on an

Chiller Tube Cleaning

Keeping evaporator and condenser tubes as clean as possible is one of the most important factors of maintaining chiller efficiency. If interior tube surfaces become fouled with scale, mud, algae, sludge, or other contaminants, thermal resistance causes the chiller to work harder and energy efficiency plummets. Manufacturers typically recommend cleaning condenser tubes annually. Evaporator tubes should be cleaned about once every three years for closed systems, more often for open systems. There are two basic methods of cleaning chiller tubes: chemical and mechanical. Chemical cleaning entails circulating an acid solution through tube bundles to break down or soften scale deposits. It sh

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 1688 5th Street | Ewing, NJ  08638 | Tel: 609.921.1394 | Fax: 609.530.1437

Plumbing Lic. #7969 | HVAC Lic. #19HC00113011 | MBE Cert. #72727-21

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