HVAC/Chiller Coating

HVAC and Chiller Coating

Chiller/HVAC tubesheet coating can provide a solution to your corrosion problems. Typical problems arise at the tube to tubesheet interface, where often time dissimilar metals promote galvanic attack. This will ultimately lead to leaks and force:

• Unplanned down time
• Replacement costs
• Increased HVAC maintenance costs
• Decreased unit efficiency
• Cross contamination of process and cooling waterCurran International provides the application solution to repair your chiller/HVAC tubesheets. Curran’s turnkey application method consists of supplying the coating, equipment, and labor to resurface tubesheets of any size (removal of heads and waterboxes can also be provided). Curran International’s Chiller/HVAC coating provides a barrier to corrosion, thereby eliminating further tubesheet degradation and leaks. Minimize your chiller/HVAC maintenance and increase the operational efficiency. Curran International can also apply the coating to heads, covers, and waterboxes. With over 20 years of Chiller/HVAC coating experience and the trust of Chiller manufacturers around the country, Curran International is the right choice to solve your Chiller/HVAC corrosion problems.

Corroded tubesheet

Containment set up, with dust
collectors to eliminate any dust

Is coating your chiller/HVAC tubesheets worth the cost? ROI

Taking a proactive approach by coating your chiller tubesheet will cost “a little bit today”, but will provide you with years of maintenance free service saving you a lot in the future. Eliminate

  • Unplanned outages
  • Service interruptions
  • Costly maintenance expenses
    and coat your chiller/HVAC tubesheets with Curran International.
    Click here for a quote

Surface preparation of tube sheet to
NACE No. 1/SSPC-SP5 “white metal blast”

Steps to protecting your tubesheets

  1. Contact Curran for a quote
  2. Curran will show up at your location with:
    a. Labor, equipment, and materials
  3. Full containment will be set up (including dust collection) and the technician will sandblast the tubesheets and components (using blasting plugs to protect the tubes).
  4. The initial coat will be applied to the chiller tubesheet
  5. Following overcoat windows specified by the manufacturers and considering environmental conditions, the second and final coat will be applied
  6. Equipment will be turned over to the client and the area will be cleaned of any debris.
    Click here for answers to other frequently asked questions (FAQs)Want to resurface your tubesheet with epoxy coating yourself.

Surface preparation after grit blasting,
with blasting plugs to protect tubes.
Notice the deep crevice in the
tube sheet center

Installation of coating plugs


Chiller Tubesheet refacing after 1st coat

Chiller Tubesheet refacing after 2nd coat