Tuthill Vacuum Application Spotlight: KTC60 and KTC112 Piston Pumps with Boosters

KTC60 and KTC112 piston pumps with boosters
A large manufacturer builds compressors that go into refrigeration systems.

After the compressor is built and mounted to the refrigeration system, the manufacturer pulls a vacuum on the compressor to remove all moisture, contaminants and air.

Why is this vacuum evacuation so critical? Degassing and dehydration.

Degassing removes non-condensibles which cause increased head pressures and increased operating cost. Where high temperatures are frequent, non-condensibles combined with moisture will also cause oil failure, decreased capacity and increased compressor wear and potential failure. Losses associated with improper evacuation can be very high.

Moisture is the second issue. Moisture brakes down POE oil in HFC systems, (like R410a) causing premature failure of the oil. Because POE breaks down into its fundamental components, it can clog the metering device and contaminate line sets. This could result in the need for complete system replacement. Moisture refrigerant and mineral oils from acids that will cause system failure due to copper plating and damage to compressor windings.

Quick and deep evacuation is critical in keeping out the moisture during fabrication and of course, utilizing the right tools, hoses, and gauges to measure the level of degassing and dehydration.

For faster evacuation times and deeper vacuum levels, this customer installed inlet filters and vacuum boosters. For convenient use on the factory floor, the entire system was then mounted to a mobile cart.

The Details

Market Type: Refrigeration

Type of Application: Evacuation and Fill of Compressors

Vacuum Range: .05-.01 Torr

CFM Range: 60-400 CFM

Why Tuthill

This customer needed a mobile solution that is rugged and reliable.