Milk Chiller (Direct Expansion)

Horizontal open milk cooling tanks

In times where the requirement of quality milk is more critical than ever, it is important that you can trust your milk tank to cool and maintain that quality as required by the consumer.

An efficient cooling tank must cool the milk quickly, without the risk of freezing, and agitate the milk properly on a controlled regular basis. The horizontal shape of the Packo open milk cooling tanks makes this possible.

The Packo milk cooling tank cools the milk quickly and the large agitator blade mixes even small quantities of milk thoroughly. Thanks to their ergonomic design and U-shape the Packo tanks are space saving and easy to clean. Pneumatic springs make sure that the cover is easily opened with little effort. The springs keep the cover open so that it can be cleaned in a safe way.

Packo tanks are constructed of stainless steel AISI 304 and apply to international standards which guarantees a long lifespan and a safe operation.

The Unitech open milk cooling tank, type OM/DX with direct expansion, has a very large laser welded evaporator surface.

The rectangular evaporator is directly welded to the outer side of the milk tank, creating a very large surface to extract the heat from the milk. The gentle mixing of the milk with the large agitator blade guarantees a maximum cooling performance, homogeneous and undamaged milk. Also in extremely high ambient temperatures the milk is cooled within a very short time. This means that the Unitech milk cooling tank assures, even during hot summers, that the good quality of your milk is preserved.


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Unitech International (PVT) LTD was originally conceived as Unitech Engineers in 1987 as a partnership firm. From 1987 till present, we have handled several HVAC system projects throughout Pakistan and our clients have mostly been the multinationals including Nestle, Engro Foods (now Royal FrieslandCompina), PepsiCo International etc.