Onion Shape Self-Supporting Tanks
Rapid Water Storage for Emergency Response
The Onion Tanks are collapsible, self-rising reservoirs engineered for fast water storage, emergency response, and disaster relief. Their open-top design allows for quick water access, making them ideal for firefighting, humanitarian aid, and remote site water supply.
Key Features & Benefits
✔ Self-Rising Design – No frame required; foam or air-filled floating collar automatically supports the tank.
✔ Fast Deployment – Set up in minutes with minimal personnel, making it ideal for emergency water containment.
✔ Heavy-Duty Construction – Made from reinforced coated fabrics for durability in extreme conditions.
✔ Portable & Collapsible – Compact when empty, easy to store, transport, and relocate as needed.
✔ Versatile Applications – Used for firefighting water storage, disaster relief, and remote area water supply.
Available in multiple capacities, Onion Self-Supporting Tanks provide a reliable, rapid-deployment solution for critical water storage needs.
Some of the Onion Tanks features are:
- Rapid emergency response
- Suitable for most environments and terrain
- Connections are 180 degrees apart, but can be located anywhere on the tank at the client’s request
- Fast response tanks that take just minutes to set up with limited personnel
- Material and all fittings are appropriate for either potable water or hydrocarbons
- Multiple 2” thru 6” connections can be placed anywhere on the tank providing the capability to discharge liquid quickly from any side of the tank
- Material and all fittings are appropriate for either potable water or hydrocarbons.
- Replaceable inner liner (optional)
- Top cover (optional)
Applications include, but not limited to:
- Spill Response
- Hazmat Operations
- Military Operations
- Potable (drinking) Water Tank
- Disaster Relief
- Fuel Storage
- Firefighting
- Forestry Service
- Wastewater
- Portable Storage
- Remote Storage
- Gray Water Storage
- Portable Water Tank
- Chemical Storage
- Remediation Projects
Capacities range from 2 to 94.6 m³ (500 to 25,000 gallons).
Canflex Onion Shape Tank - Self Floating Foam Collar "CF"
| Model CA = Air Collar CF = Foam Collar |
Capacity | Base Diameter | Collar Diameter | Height | Shipping Volume* | Dry Weight (no accessories) |
Fill / Offload Connections |
|---|---|---|---|---|---|---|---|
| CA-2CM / CF-2CM | 2.0 m³ / 2,000 L 500 USG |
2.3 m / 7.6 ft | 1.4 m / 4.7 ft | 0.97 m / 3.2 ft | 0.6–0.9 m³ / 21–32 ft³ | 82 kg / 180 lb | 1 × 2” NPT |
| CA-4CM / CF-4CM | 4.0 m³ / 4,000 L 1,000 USG |
3.0 m / 10 ft | 1.8 m / 5.8 ft | 0.97 m / 3.2 ft | 0.6–0.9 m³ / 21–32 ft³ | 86 kg / 190 lb | 1 × 2” NPT |
| CA-6CM / CF-6CM | 6.0 m³ / 6,000 L 1,500 USG |
3.7 m / 12.0 ft | 2.4 m / 8.0 ft | 0.97 m / 3.2 ft | 0.7–1.1 m³ / 24.5–39 ft³ | 96 kg / 210 lb | 1 × 2” NPT |
| CA-8CM / CF-8CM | 8.0 m³ / 8,000 L 2,100 USG |
3.8 m / 12.5 ft | 2.7 m / 9.0 ft | 0.97 m / 3.2 ft | 0.7–1.1 m³ / 24.5–39 ft³ | 127 kg / 280 lb | 1 × 2” NPT |
| CA-10CM / CF-10CM | 10.0 m³ / 10,000 L 2,650 USG |
4.7 m / 15.4 ft | 3.2 m / 10.6 ft | 0.97 m / 3.2 ft | 0.8–1.3 m³ / 28–50 ft³ | 195 kg / 430 lb | 1 × 3” NPT (2” for E model) |
| CA-12CM / CF-12CM | 12.5 m³ / 12,500 L 3,300 USG |
5.0 m / 16.4 ft | 3.5 m / 11.5 ft | 1.18 m / 3.9 ft | 0.8–1.3 m³ / 28–50 ft³ | 195 kg / 430 lb | 1 × 3” NPT (2” for E model) |
| CA-15CM / CF-15CM | 15.0 m³ / 15,000 L 4,000 USG |
5.5 m / 18.0 ft | 3.81 m / 12.5 ft | 1.21 m / 4.0 ft | 0.9–1.5 m³ / 32–53 ft³ | 218 kg / 480 lb | 1 × 3” NPT (2” for E model) |
| CA-20CM | 20.0 m³ / 20,000 L 5,300 USG |
5.8 m / 19.0 ft | 4.3 m / 14.3 ft | 1.21 m / 4.0 ft | 1.56 m³ / 55 ft³ | 255 kg / 560 lb | 1 × 3” NPT (2” for E model) |
| CA-25CM | 25.0 m³ / 25,000 L 6,600 USG |
6.0 m / 20.0 ft | 4.3 m / 14.3 ft | 1.21 m / 4.0 ft | 2.0 m³ / 71 ft³ | 290 kg / 640 lb | 1 × 3” NPT |
| CA-30CM | 30.0 m³ / 30,000 L 8,000 USG |
7.0 m / 23.0 ft | 4.3 m / 14.3 ft | 1.21 m / 4.0 ft | 2.1 m³ / 74 ft³ | 313 kg / 690 lb | 2 × 3” NPT |
| CA-38CM | 38.0 m³ / 38,000 L 10,000 USG |
7.0 m / 23.0 ft | 4.3 m / 14.3 ft | 1.52 m / 5.0 ft | 2.4 m³ / 85 ft³ | 400 kg / 880 lb | 2 × 3” NPT |
| CA-50CM | 50.0 m³ / 50,000 L 13,200 USG |
7.62 m / 25.0 ft | 5.8 m / 19.0 ft | 1.52 m / 5.0 ft | 3.0 m³ / 106 ft³ | 430 kg / 950 lb | 2 × 3” NPT |
| CA-60CM | 60.0 m³ / 60,000 L 15,800 USG |
8.0 m / 26.3 ft | 5.8 m / 19.0 ft | 1.52 m / 5.0 ft | 3.1 m³ / 110 ft³ | 485 kg / 1,070 lb | 2 × 3” NPT |
| CA-75CM | 75.0 m³ / 75,000 L 20,000 USG |
9.4 m / 31.0 ft | 7.11 m / 23.3 ft | 1.52 m / 5.0 ft | 4.8 m³ / 170 ft³ | 567 kg / 1,250 lb | 3 × 3” NPT |
| CA-100CM | 100 m³ / 100,000 L 26,400 USG |
11.3 m / 37.0 ft | 7.11 m / 23.3 ft | 1.52 m / 5.0 ft | 5.5 m³ / 195 ft³ | 658 kg / 1,450 lb | 3 × 3” NPT |
| Model CF = Foam Collar |
Capacity | Base Diameter | Collar Diameter | Height | Dry Weight (no accessories) |
Fill / Offload Connections |
|---|---|---|---|---|---|---|
| CF-2CM | 2,000 L 500 USG |
2.3 m / 7.6 ft | 1.4 m / 4.7 ft | 0.97 m / 3.2 ft | 82 kg / 180 lb | 1 × 2” NPT |
| CF-4CM | 4,000 L 1,000 USG |
3.0 m / 10 ft | 1.8 m / 5.8 ft | 0.97 m / 3.2 ft | 86 kg / 190 lb | 1 × 2” NPT |
| CF-6CM | 6,000 L 1,500 USG |
3.7 m / 12.0 ft | 2.4 m / 8.0 ft | 0.97 m / 3.2 ft | 96 kg / 210 lb | 1 × 2” NPT |
| CF-8CM | 8,000 L 2,100 USG |
3.8 m / 12.5 ft | 2.7 m / 9.0 ft | 0.97 m / 3.2 ft | 127 kg / 280 lb | 1 × 2” NPT |
| CF-10CM | 10,000 L 2,650 USG |
4.7 m / 15.4 ft | 3.2 m / 10.6 ft | 0.97 m / 3.2 ft | 195 kg / 430 lb | 1 × 3” NPT (2” for E model) |
| CF-12CM | 12,500 L 3,300 USG |
5.0 m / 16.4 ft | 3.5 m / 11.5 ft | 1.18 m / 3.9 ft | 195 kg / 430 lb | 1 × 3” NPT (2” for E model) |
| CF-15CM | 15,000 L 4,000 USG |
5.5 m / 18.0 ft | 3.81 m / 12.5 ft | 1.21 m / 4.0 ft | 218 kg / 480 lb | 1 × 3” NPT (2” for E model) |
| CF-20CM | 20,000 L 5,300 USG |
5.8 m / 19.0 ft | 4.3 m / 14.3 ft | 1.21 m / 4.0 ft | 255 kg / 560 lb | 1 × 3” NPT (2” for E model) |
| CF-25CM | 25,000 L 6,600 USG |
6.0 m / 20.0 ft | 4.3 m / 14.3 ft | 1.21 m / 4.0 ft | 290 kg / 640 lb | 1 × 3” NPT |
| CF-30CM | 30,000 L 8,000 USG |
7.0 m / 23.0 ft | 4.3 m / 14.3 ft | 1.21 m / 4.0 ft | 313 kg / 690 lb | 2 × 3” NPT |
| CF-38CM | 38,000 L 10,000 USG |
7.0 m / 23.0 ft | 4.3 m / 14.3 ft | 1.52 m / 5.0 ft | 400 kg / 880 lb | 2 × 3” NPT |
| CF-50CM | 50,000 L 13,200 USG |
7.62 m / 25.0 ft | 5.8 m / 19.0 ft | 1.52 m / 5.0 ft | 430 kg / 950 lb | 2 × 3” NPT |
| CF-60CM | 60,000 L 15,800 USG |
8.0 m / 26.3 ft | 5.8 m / 19.0 ft | 1.52 m / 5.0 ft | 485 kg / 1,070 lb | 2 × 3” NPT |
| CF-75CM | 75,000 L 20,000 USG |
9.4 m / 31.0 ft | 7.11 m / 23.3 ft | 1.52 m / 5.0 ft | 567 kg / 1,250 lb | 3 × 3” NPT |
| CF-100CM | 100,000 L 26,400 USG |
11.3 m / 37.0 ft | 7.11 m / 23.3 ft | 1.52 m / 5.0 ft | 658 kg / 1,450 lb | 3 × 3” NPT |