AMMONIA SYSTEM AMMONIA SYSTEM INSTALLATION EXAMPLE ON INSTALLATION EXAMPLE ON OPERATING SYSTEM USING:OPERATING SYSTEM USING:

SYSTEM AGE: 16 YEARSSYSTEM AGE: 16 YEARS

85 – 90° F85 – 90° F

85% HUMIDITY85% HUMIDITY

9:30 AM EST9:30 AM EST

SYSTEM TEMPERATURE 24° FSYSTEM TEMPERATURE 24° F

4” O.D. PRIMED STEEL PIPE4” O.D. PRIMED STEEL PIPE

4” STYROFOAM INSULATION4” STYROFOAM INSULATION

RG-2400 RG-2400 LTLT AT AMBIENT (90-96° F) AT AMBIENT (90-96° F)

INSTALLATION TIME 21 MINUTESINSTALLATION TIME 21 MINUTES

INSTALLATION CONDITIONSINSTALLATION CONDITIONS

PICTORAL INSTALLATIONPICTORAL INSTALLATION

REMOVING METAL JACKET

METAL JACKET REMOVED

ASJ ON STYROFOAM

STYRO

FIBERGLASS EXPANSION JOINT

After removing approximately 6’ of metal jacketing, we knew corrosion would be present due to the fiberglass present, and the lack of a vapor retarder on some of the styrofoam insulation.

REMAINING PRIMER EASILY REMOVED

CLOSE-UP OF EXPANSION JOINT

PRIMER ON INSULATION

CORROSION ON PIPE

REMAINING PRIMER EASILY REMOVED

PIPE IS READY FOR RG-2400 LT

Note slight frost already forming on the pipe surface.

Primer which was well adhered to the pipe does not have to be removed.

INSTALLING RG-2400 LT

INSTALLING RG-2400 LT

Pipe temperature thickens the RG-2400 LT quickly. After 3 passes over an area it gets difficult to spread and achieve adhesion.

The slight frost on the pipe left some voids, however fresh “warm” material could be put over these areas and achieve ahesion.

A WELL COATED PIPE READY FOR INSULATION

CONCLUSIONSCONCLUSIONS

•COATING A 24° PIPE IN OPERATION IS POSSIBLE IN SMALL SECTIONS.

•RG-2400 MUST BE WARM TO IMPROVE COVERAGE AND EASE OF APPLICATION

•INSULATION MUST BE INSTALLED IMMEDIATELY UPON ACHIEVING COVERAGE TO PREVENT CONDENSATION FROM FORMING ON THE RG-2400

•INSULRAP OR FABWRAP VAPOR BARRIER SHOULD BE USED TO KEEP OUT MOISTURE

•TESTING WILL CONTINUE ON -15° F LINES IN OPERATION AND -50° F LINES IN OPERATION. RESULTS WILL BE ADDED TO THIS PPT PRESENTATION.

•GLYCOL WILL BE TESTED TO REMOVE FROST ON THE COLDER LINES.