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Hydrostar Onion Tanks

The Onion Tank is a flexible product designed for emergency, fast response conditions. Made from the same durable materials as the standard storage pillow tanks, these flexible open-top tanks are a great choice for fire fighting, decontamination, and other emergency response situations.

Fabric Types

Medium Grade Fabric
Commercial Grade Fabric
Industrial Grade Fabric

  • Typically uses a 22 oz. Material
  • Temporary Liquid Transportation
  • Economical
  • Higher Flexibility for Emergency Response
  • Recommended Contact Time:
    Up to 1 year
  • Typically uses a 30 oz. Material
  • Longer Term Use
  • Standard Area Conditions
  • Fabric Thickness for Rougher Terrains or Fast Transport
  • Recommended Contact Time:
    3 to 5 years
  • Typically uses a 33 oz. Material
  • Demanding Transportation or Emergency Situations
  • Thickest, Most Rigid Fabrics
  • Rugged for Rough Terrains
  • Recommended Contact Time:
    Up to 7 years

Onion tanks feature a self-supporting design that makes them an excellent choice for emergency response situations. Their open top and large storage ability has allowed them to be implemented as a fast response liquid storage unit. These collapsible tanks can be made with capacities up to 10,000 gallons (40,000 liters) for larger projects or liquid storage requirements.

Questions? We can help! Call our team at +1-772-646-0597 or fill out our quote request form to discuss your requirements.

Low Side Onion Tanks Sizes

Capacity
(gal/ liters)
Base
Diameter
(std./meters)
Top
Diameter
(std./ meters)
Height Filled
(std./meters)
Weight
(lbs./kg)
Approx. Folded Dimensions
(std./meters)
250 gal
(946 L)
5'10"/ 1.8 m 3'7"/ 1.1 m 28'/ 0.7 m 27 lbs./
123kg
22" dia. x 16"/
0.6 dia x 0.4
500 gal
(1893 L)
7'0"/ 22 m 4'10"/ 1.5 m 33"/ 0.8 m 39 lbs./
17.7 kg
25" x 18"/
0.7 x 0.5
1000 gal
(3785 L)
9'5"/ 2.9 m 6'11"/ 2.1 m 33"/ 0.8m 54 lbs./
24.5 kg
25" x 22"/
0.7 x .6
1500 gal
(5678 L)
11'8"/ 3.6 m 8'8"/ 2.7m 33"/ 0.8 m 67 lbs./
30.4 kg
28" x 22"/
0.8 x 0.6
2000 gal
(7570 L)
13'0"/ 4.0 m 10'0"/ 3.1m 33"/ 0.8m 75 lbs./
34kg
30" x 22"/
0.8 x 0.6
2500 gal
(9463 L)
14'4"/ 4.4 m 11'2"/ 3.4m 33"/ 0.8m 84 lbs./
38 kg
34" x 22"/
0.9 x 0.6
3000 gal (11,355 L) 15'8"/ 4.8 m 12'3"/ 3.7 m 33"/ 0.8m 99 lbs./
45kg
34" x 24"/
0.9 x 0.7
3500 gal (15,140 L) 17'0"/ 5.2 m 13'2"/ 4m 33"/ 0.8 m 105 lbs./
47.6 kg
36" x 24"/
0.9 x 0.7
4000 gal (15,140 L) 18'0"/ 5.5 m 14'2"/ 4.3m 33"/ 0.8 m 114 lbs./
51.7 kg
38" x 24"/
1.0 x 0.7
5000 gal (18,925 L) 19'8"/ 6.0 m 15/10"/ 4.8 m 33"/ 0.8m 125 lbs./
56.7 kg
38" x 28"/
1.0 x 0.7
6000 gal (22,710 L) 21'6"/ 6.6 m 17'8"/ 5.4m 33"/ 0.8m 143 lbs./
64.9kg
38" x 32"/
1.0 x 0.8
10,000 gal (37,850 L) 26'9"/ 8.2 m 22'11"/ 7.0 m 33" / 0.8 m 200 lbs./
90.1 kg
42" x 36"/
1.1 x 0.9


HS (High Side) Onion Tanks Model

Capacity
(gal/ liters)
Base
Diameter
(std./ meters)
Top
Diameter
(std./ meters)
Height Filled
(std./
meters)
Weight
(lbs./kg)
Approx. Folded Dimensions
(std./meters)
500 gal
(1893 L)
6'9"/ 2.1 m 4'0"/1.2m 40"/1.0 m 39 lbs./
17.7 kg
25" x 18"/ 0.6 x 0.4
1000 gal
(3785 L)
8'6"/ 2.6 m
5'6"/ 1.7m 44"/ 1.1m 54 lbs./
24.5kg
25" x 22"/ 0.7 x 0.5
1200 gal
(4542 L)
9'8"/ 3.0 m 5'10"/ 1.8m 44"/1.1m 59 lbs./ 26.8kg 26" x 22"/ 0.7 x 0.6
1600 gal
(6056 L)
10'8"/3.3 m 6'10"/ 2.1m 44"/ 1.1m 67 lbs./ 30.4kg 28" x 22"/ 0.8 x 0.6
1800 gal
(6813 L)
11'0"/3.4 m 7'3"/ 2.2m 46"/ 1.2m 72 lbs./ 32.7kg 30" x 22"/ 0.8 x 0.6
2000 gal
(7570 L)
11'9"/3.6 m 7'9"/ 2.4m 48"/ 1.2m 75 lbs./
34kg
30" x 22"/ 0.8 x 0.6
2500 gal
(9463 L)
12'8"/3.9 m 8'6"/ 2.6m 48"/ 1.2m 84 lbs./
38 kg
34" x 22/ 0.9 x 0.6
3000 gal (11,355 L) 14'2"/4.3 m 9'2"/ 2.8m 48"/ 1.2m 99 lbs./
45kg
34" x 24"/ 0.9 x 0.7
4000 gal (15,140 L) 16'2"/ 4.9m 11'0"/ 3.4m 48"/ 1.2m 114 lbs./ 51.7kg 38" x 24"/1.0 x 0.7
5000 gal (18,925 L) 16'2"/ 4.9m 10'6"/ 3.2m 60"/ 1.5m 125 lbs./ 56.7kg 38" x 28"/ 1.9 x 0.7
6000 gal (22,710 L) 17'4"/ 5.3m 11'8"/ 3.6m 60"/ 1.5m 143 lbs./ 64.9kg 38" x 32"/ 1.0 x 0.8
8000 gal (30,280 L) 18'0"/ 5.5m 12'0"/ 3.7 m 70"/ 1.8m 169 lbs./ 77kg 40" x 34"/ 1.0 x 0.9
10,000 gal (37,850 L) 19'4"/ 5.9 m 12'0"/ 3.7 m 80"/ 2.0m 200 lbs./ 90.1kg 42" x 36"/ 1.1 x 0.9
14,000 gal (52,990 L) 21'9"/ 6.6m 13'9"/ 4.2m 90"/ 2.3m 249 lbs./ 113kg 44" x 40 "/ 1.1 x 1.0
20,000 gal (75,700 L) 26'0"/ 7.9 m 16'0"/ 4.8m 96"/ 2.4m 499 lbs./ 226kg 48" x 48"/ 1.2 x 1.2

*Large Sizes for Onion Tanks are Available Upon Request

See How The Flexible Onion Tanks have been Used:

rising onion tankFire Fighting Water Supply: The collapsible onion storage tank is ideal for emergency response situations. Their open tops make them easy to fill with water that can later be used on help quickly put out fires. While the tank remains flexible for easy setup, it still has strong walls for handling rough terrains or fast transportation.

 

onion water tankWater Collection: As an open top tank, these dependable onion tanks are the perfect way to collect or temporarily store water. The versatility of the storage tank allows it to be used to supply sprinkler systems or other water management areas. It is also great in emergency relief efforts as it makes large quantities of potable water easily accessible to residents.

 

onion water tankDecontamination: Built with the same dependable materials that are used on the pillow tanks, these onion tanks are well equipped to handle some of the more hazardous materials such as contaminated water and equipment after spills. With reliable walls, these tanks are frequently used to decontaminate oil laden products or clean off animals.


For additional information on the self-supported onion tank, please check out the Onion Tank Product Flyer (pdf).

Questions? We can help! Call our team at +1-772-646-0597 or fill out our quote request form to discuss your requirements.