Standard Datasheet  

[User Manual](/products/liquid-cooling-systems/oil-heat-exchangers/OW4002/user-manual)

MFG Part Number 1155.00

# OW4002

## WW Series Liquid Cooling System

The OW4002 uses facility water as a hot side heat dissipation mechanism, which increases the cooling capacity while maintaining form factor. The OW Series system is designed to operate using oil as coolant.

![Product image](/thermal-wizard/images/lcs/OW4002/OW4002-large.png)

### Features

- Cooling to ambient
- High heat pumping capacity in smallest form factor
- Long life operation

### Applications

- [Cooling Particle Accelerators: Linear Accelerators and Cyclotrons](/resources/white-papers/cooling-particle-accelerators-linear-accelerators-and-cyclotrons)
- [Spindle Screw Pump Technology for Medical Cooling](/resources/application-notes/spindle-screw-pump-technology-medical-cooling)
- [Semiconductor Fabrication Equipment Cooling](/applications/semiconductor-fabrication-equipment-cooling)
- [X-ray Cooling in Industrial Scanners](/resources/application-notes/x-ray-cooling-industrial-scanners)

![Isometric drawing](/thermal-wizard/images/lcs/OW4002/OW4002-isometric-drawing.png)

#### Performance Curves

![](/thermal-wizard/images/lcs/OW4002/ow4002-graph.jpg). ### Technical Specifications

**Performance**

Nominal Cooling Capacity

 4,000 W

Nominal Operating Flowrate (60 Hz)

 22.0 L/min @ 3.5 Bar

Nominal Operating Flowrate (50 Hz)

 22.0 L/min @ 3.5 Bar

**Operation**

Coolant

Shell Diala S4

Operating Temperature

5°C to 40°C

Storage temperature range (w/o coolant)

-40°C to 70°C

Humidity range

20% to 80%

Storage Humidity range

5% to 95%, non-condensing

Input Voltage

230 VAC

Frequency

50/60 Hz

Current

 < 3.6 Amps

Input Power Connection

 Terminal Block

Noise

 < 60 dB(A)

Flow Switch Open

≤ 17 L/min

Maximum Forward Pressure

 9 Bar

**Physical**

Height

551 mm

Length

621 mm

Width

350 mm

Weight

45 kg

Coolant Capacity

 23 Liters

Oil Fitting

M26 x 1.5 Female

Facility Coolant Fitting

3/8 in Barb (9 mm)

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Revision: 02 Date: 06-29-2025

Print Date: 10-25-2026

**Original URL:** https://tark-solutions.com/products/liquid-cooling-systems/oil-heat-exchangers/1155.00