Manufacturer Glycol Chiller
A glycol chiller is a chilling system that uses a percentage of glycol mixed with water to create extremely low.By increasing the percentage of glycol, the antifreeze properties of the mixture are significantly improved.There are two types of glycol chillers, which are ethylene and propylene. Though both are glycol compounds.Process cooling systems are essential to industrial applications since heat energy builds up when materials are blended.
A glycol chiller is a chilling system that uses a percentage of glycol mixed with water to create extremely low… By increasing the percentage of glycol, the antifreeze properties of the mixture are significantly improved
A chiller is essentially a refrigerator that includes a compressor, evaporator, condenser and a metering device. An additional buffer tank is used with the chilling unit to provide additional system capacity to prevent excessive cycling, unexpected temperature fluctuations, and erratic system operation.
There are many applications for high, medium and low temp glycol chillers. WPI recommends all chillers use a minimum % mix of EG ethylene glycol or (FDA) Food and Drug Administration approved pharmaceutical grade PG propylene glycol depends what the application is. Both %EG and %PG provides freeze protection for the evaporator, pumps and piping as well as rust prevention.
Without a properly designed system and knowing the application, it is possible for the evaporator to freeze-up operating at 50-70F supply temperature. Typical causes of internal evaporator freeze-up : No antifreeze protection during low flow or low charge operations, low flow caused by high line loss or high pressure drop without antifreeze, line restrictions without antifreeze. Flow switch will not open up unless you get almost a complete no flow low flow occurred. with compressor interlock, low Freon or low ambient, and no antifreeze protection in the chiller loop. Although we install flow safety switches and low pressure safety for freeze protection a system is not fail safe without the right mix of (antifreeze fluid protection).
