Oceanflex 315 Pen

Oceanflex 315 is the fish farm pen of choice for aquaculture companies operating on a wide variety of marine sites.
These heavy-duty, all-polyethylene pens are built on the security and safety of Gael Force Fusion's proven three ring flotation system.
The Oceanflex 315 system is ideal for salmon, bass, bream, and a whole other range of finfish species, and have been in very long-term service sites all over the world.
Key Points
- Manufactured utilising the security and safety of our proven three-ring system.
- Pen manufacture utilises butt fusion and electrofusion process and control.
- A flexible yet robust and durable polyethylene structure, built for challenging environments.
- A heavy-duty moulded base unit.
- Both inner and outer rings are polystyrene filled for added security.
- Heavy gauge handrail pipe used to resist deformation.
- Incorporates a full slip-resistant, modular decking system compliant with current HSE guidelines.
- Pens have a low environmental visual impact.
- Low maintenance design resistant to saltwater corrosion.
- A range of customisation possibilities and accessories available upon request.
- All pens supplied with operator manual.
Specifications
Pen Circumference | 60m | 70m | 80m | 90m | 100m | 120m | 150m |
---|---|---|---|---|---|---|---|
Pen Diameter | 19.1 | 22.2 | 25.5 | 28.6 | 31.8 | 38.2 | 47.7 |
No. of uprights | 24 | 28 | 32 | 36 | 40 | 48 | 60 |
Volume per 1m of net depth (1m3) | 287 | 388 | 510 | 645 | 796 | 1146 | 1791 |
Pen weight (ton) 2 rings / 3 rings | 3.4 / 4.5 | 4 / 5.3 | 4.6 / 6 | 5.2 / 6.7 | 5.8 / 7.5 | 6.9 / 8.9 | 8.6 / 11.1 |
Pen reserve buoyancy (ton)* 2 rings / 3 rings | 7.8 / 11.7 | 9.1 / 13.6 | 10.3 / 15.5 | 11.6 / 17.4 | 12.8 / 19.3 | 15.3 / 23 | 19.1 / 28.7 |
* Calculations are for seawater conditions

Oceanflex Parts
- 2 or 3 Ø315mm polyethylene rings with heavy walled pipe to resist impact and kinking.
- Ø125mm electrofusion stanchion tee with additional cleat.
- Ø125mm stanchion/thick walled hand rail.
- Heavy duty PE base unit complete with built-in fender and predator net attachment points.
- Injection moulded modular decking.
- Electrofusion stops used to minimise base movement.
- Injection moulded retainer pin.
- Ø50mm retainer pipe used to integrate decking with base units and secured with Electrofusion for a permanent and flexible fix.
- Polystyrene (EPS) inner ring infill.
- 4.3m/5 Tonne red mooring strop.
Also available for Ø280mm pipes using a specifically developed base unit.

Get in touch to discuss your requirements
Gael Force Group Ltd
136 Anderson Street
South Kessock
Inverness
IV3 8DH