HYDAC OK 4S 4.6 X (PRF) air-oil cooler
Click image to enlarge
Air-oil cooler

HYDAC OK 4S 4.6 X (PRF) air-oil cooler
Model: OK 4S 4.6 X (PRF) · HYDAC
  • Manufacturer:
    HYDAC
  • Model:
    OK 4S 4.6 X (PRF)
Port connectionSAE-16 ORB
Maximum family operating pressure (bar)16
Family ambient temperature range (°C)10–40
Heat exchanger constructionAluminum heavy-duty bar and plate
Full specifications ↓ Technical catalog · PDF

Description

OK 4S 4.6 X (PRF) is a HYDAC OK series air-oil cooler identified by factory part number 7706706. It uses an aluminum heavy-duty bar-and-plate heat exchanger in a welded-steel housing. The manufacturer's assigned configuration lists SAE-16 ORB fluid connections.

The matching size-family drawing specifies mineral oil to DIN 51524 Parts 1 and 2 or water-glycol mixtures, a maximum operating pressure of 16 bar, a maximum oil temperature of 130°C and maximum oil viscosity of 2000 cSt. Its stated ambient temperature range is 10–40°C. These are family operating conditions; heat rejection, installed motor details and bypass or filter dimensions depend on the specified configuration.

Illustration: representative HYDAC OK series photograph; configuration may vary.

Full specifications

Technical specifications
Component type Air-oil cooler
Maximum family operating pressure (bar) 16
Family ambient temperature range (°C) 10–40
Family compatible fluids Mineral oil to DIN 51524 Parts 1 and 2; water-glycol mixtures
Maximum family oil temperature (°C) 130
Maximum family oil viscosity (cSt) 2000
Heat exchanger construction Aluminum heavy-duty bar and plate
Housing material Welded steel
Connection family SAE ORB
Series OK
Manufacturer HYDAC
Manufacturer part number 7706706
Cooler size 4
Technical specifications
Port connection SAE-16 ORB