
20 bar
Maximum Working Sea Water Pressure:
16 bar
Operating Limits & Parameters
| Maximum Working Coolant Pressure | 20 bar |
| Maximum Working Sea Water Pressure | 16 bar |
| Maximum Working Coolant Temperature | 110°C |
Typical Performance Guidelines
Based on Coolant Type: 50/50 Water/Glycol, Coolant Outlet Temperature: 40°C, Sea Water Inlet Temperature: 30°C.
| Model Type | Heat Dissipated (kW) | Coolant Flow (l/min) | Sea Water Flow (l/min) | Internal Coolant Vol. (L) | Internal Sea Water Vol. (L) |
|---|---|---|---|---|---|
| EC 80-3875-1 | 3 | 40 | 40 | 0.26 | 0.31 |
| EC 160-3875-5 | 19 | 50 | 50 | 1.30 | 0.91 |
| FC 80-3876-1 | 11 | 80 | 80 | 0.75 | 0.65 |
| FC 160-3876-5 | 37 | 80 | 80 | 2.60 | 1.68 |
| FG 80-3877-1 | 24 | 120 | 120 | 1.64 | 1.26 |
| FG 160-3877-5 | 65 | 120 | 120 | 5.00 | 2.97 |
| GL 140-3878-2 | 50 | 200 | 200 | 3.60 | 3.10 |
| GL 480-3878-7 | 136 | 200 | 200 | 12.20 | 7.70 |
| GK 190-3879-3 | 98 | 300 | 300 | 7.00 | 6.30 |
| GK 600-3879-8 | 238 | 300 | 300 | 22.10 | 14.70 |
| JK 190-3881-3 | 121 | 400 | 400 | 9.70 | 8.80 |
| JK 600-3881-8 | 306 | 400 | 400 | 30.70 | 20.40 |
| PK 190-3880-3 | 117 | 650 | 650 | 13.60 | 16.00 |
| PK 600-3880-8 | 501 | 650 | 650 | 42.50 | 34.40 |
| RK 400-5882-6 | 524 | 900 | 900 | 43.40 | 37.90 |
| RK 600-5882-8 | 701 | 900 | 900 | 65.20 | 50.10 |
Physical Dimensions & Weights
| Series Range | Weight Range (kg) | Length 'A' Range (mm) | Coolant Connections 'D' (BSP) |
|---|---|---|---|
| EC Range (80 to 160) | 2.4 – 5.7 kg | 174 – 572 mm | 1/2" to 3/4" BSP |
| FC Range (80 to 160) | 5.5 – 11.0 kg | 272 – 730 mm | 1" BSP |
| FG Range (80 to 160) | 8.5 – 17.5 kg | 374 – 924 mm | 1 1/4" to 1 1/2" BSP |
| GL Range (140 to 480) | 18.0 – 42.0 kg | 502 – 1360 mm | 1 1/2" BSP / SAE DN51 |
| GK Range (190 to 600) | 34.0 – 74.0 kg | 674 – 1708 mm | 2" BSP / SAE DN64 |
| JK Range (190 to 600) | 58.0 – 126.0 kg | 704 – 1738 mm | 2 1/2" BSP / SAE DN76 |
| PK Range (190 to 600) | 81.0 – 158.0 kg | 754 – 1788 mm | 3" BSP / SAE DN89 |
| RK Range (400 to 600) | 186.0 – 246.0 kg | 1392 – 1900 mm | Flanged / SAE DN102 |
10 Reasons the Marine Industry Specifies Bowman
With extensive engineering legacy in marine heat transfer, Bowman units manage thermal build-up to maintain maximum electric and hybrid system efficiencies.
- Premium Quality: UK manufactured using strictly vetted, robust industrial components.
- Reliability: Internationally renowned for dependable operation and long operational lifetimes.
- Performance: Precision engineered configurations to enforce efficient heat transfer paths.
- Advanced Engineering: Full 3D CAD modeling assets are readily available for immediate design integration.
- Fully Floating Tube Stack: Maximizes fluid movement flexibility while systematically minimizing internal thermal stress.
- Compact Design: Reduced spatial footprint allows effortless installation in tight engine compartments.
- Extensive Range: Widest available spectrum of body sizes to precisely match application metrics.
- Simple to Maintain: Integrated layout allows tube stacks to be cleanly pulled for swift mechanical servicing.
- Rapid Delivery: Massive stock holding capabilities ensure fast response times globally.
- Product Support: Comprehensive backing including granular technical data sheets and authentic spare parts.
Propulsion Cooling Target Applications
- Electric Propulsion: High-efficiency thermal regulation for battery packs, onboard charger units, AC-DC converters, DC-DC converter modules, and central electric drive motors.
- Hybrid Propulsion: Standard cooling for Hybrid Control Units (HCU), combined Electric Motor/Generator systems, alongside core engine loop and lubrication arrangements.
- Global System Actions: Successfully deployed across advanced marine transmission components, deck hydraulic machinery layouts, and hydraulic roll reduction/stabilizer fin power loops.
Standard System Configurations
Our standard configurations integrate high-performance heat transfer technology to satisfy harsh sea-going environments cleanly.
Core Build Features
- Fully Floating Bundle Architecture: Allows seamless expansion and contraction properties to completely safeguard against catastrophic thermal stresses.
- Integrated Sealing Elements: Equipped with premium Commercial Nitrile seals optimized for regular engine coolant and seawater mixtures.
- Removable Components: Features simple-access layouts enabling field crews to swiftly slide out internal components for routine cleaning cycles.
- British Manufacturing Excellence: Produced entirely within state-of-the-art facilities in the United Kingdom under stringent quality controls.
Computer-Aided Selection Assistance
Because marine architectures frequently operate with raw seawater conditions exceeding 30°C, precise sizing is critical. We generate computer selections utilizing your core metrics:
- Coolant chemistry type and exact percentage concentration
- Total heat load needing dissipation measured in kW
- Target coolant outlet temperature threshold in °C
- Active circuit coolant flow rate parameter (l/min)
- Worst-case operational seawater temperature value (°C)
Fire Resistant Fluid & Upgrade Specifications
To safely accommodate highly specialized applications incorporating fire resistant fluids or aggressive operational environments, Bowman provides direct structural modifications.
High-Integrity Material & Seal Modifications
- Ethylene Propylene (EP) Upgrades: Replaces baseline nitrile components to handle alternative engineering fluid blends safely. (To specify, append suffix "EP" to the standard type number).
- Viton (VT) Upgrades: High-temperature and chemical-resistant alternative sealing arrangements for severe operational states. (To specify, append suffix "VT" to the standard type number).
- Comprehensive Range Adaptability: From ultra-compact EC structures handling 3 kW loops right up to heavy-duty RK series shell assemblies managing massive 701 kW loads.