Hydrolase Cleaning

Our main goal is to restore and maintain maximum operating efficiency for every condenser and heat exchanger we clean. Hennigan Engineering has the experience required to review your particular conditions and employ the appropriate cleaning technique for every application.
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Why Choose Hennigan

Over 50 Years of Service

For over 50 years, Hennigan Engineering has served a broad spectrum of utility, industrial, municipal, military and construction clientele on a national basis.

Safety First

Safety is our #1 focus at the corporate and staff level. Hennigan’s safety performance has been better than the industry average and has improved over the last 10 years.


Teamwork within our firm’s operation and also with our client’s operation is, and always has been, the underlying reason for our firm’s success.

Our Hydrolase Cleaning Services

Service and Circulating Water Piping condition has become a significant problem in our aging infrastructure, often referred to as Buried Piping. Many plants are now required to have a Buried Piping program. Hennigan Engineering offers many services for assisting with your Buried Pipe Program. These services include, but are not limited to, video inspection of as-found conditions, Hydrolase Cleaning of piping to determine condition of coating or underlying base metals, removal and disposal of debris, treatment of contaminated or non-contaminated water, spot repair of coatings or complete pipe relining.

One of Hennigan Engineering’s core service offerings is the restoration and maintenance of condenser tubes to design specifications or to the maximum available operating efficiency utilizing various cleaning techniques. These include condenser tube cleaning techniques such as chemical cleaning, hydrolase cleaning and projectile cleaning. Proper assessment of the conditions affecting each unit is crucial in choosing the correct course of action. We work closely with our clients to offer a comprehensive cleaning solution, taking into account tube base metal compositions, base metal conditions, corrosion control, fouling agent, scale composition, cleaning window, safety and environmental concerns. Based on application, tube condition and overall plant objectives, we implement cleaning operations that best meet the tube condition, fouling substance removal plan and the customer’s budget.

We rely heavily on the use of specialized high pressure water jetting equipment to satisfy the majority of our project requirements. We have custom designed our high pressure water jetting systems to perform far beyond the capability of off-the-shelf equipment. The net result is a package designed to provide complete 360 I.D. tube cleaning without harming tube base metal. With operating pressures ranging from 10,000 – 20,000 psi, we can effectively remove all foreign debris, from biological films to calcium/silica scales.

Chemical Cleaning

Clients That Choose Hennigan

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