Separator-cream separator Zh5-OSP, Kiev region.

The OSP-3 cream separator is designed for separating milk, heated to a temperature not lower than 35° C, intocream and skimmed milk with simultaneous cleaning of fractions from mechanical impurities.
(//tractor-service.com)
The OSP-3 separator is a semi-closed cream separator, plate-type, with manual periodic unloading of sediment from the drum. The separator can be equipped (at the request of the customer) with a device for normalizing milk by fat.

Parts of the separator that come into contact with milk, cream and skimmed milk are made of acid-resistant sheet steel Х18Н10Т, alkali steel 40Х, bronze Br.АХ9-4 and aluminum AL-9.