POLYETHYLENE UNDERGROUND TANKS

Polyethylene underground tanks

Polyethylene underground tanks are designed for underground installation and provide a reliable and efficient solution for storing drinking water, rainwater, and other non-aggressive liquids. Thanks to their durability and versatility, they are ideal for residential, agricultural, and industrial applications.

Main Features

  • High-quality material: made of high-density polyethylene (HDPE), offering excellent resistance to corrosion, impacts, and chemical agents.
  • Reinforced structure: designed to withstand ground pressure and ensure long-lasting performance even in challenging conditions.
  • Easy installation: lightweight and ergonomic design allows for easy transportation and installation.
  • Environmental compatibility: fully recyclable material, meeting sustainability standards.

Main Applications

Polyethylene underground tanks are used in various sectors and applications, including:

  • Rainwater harvesting: for reuse in irrigation systems or non-potable domestic uses.
  • Drinking water storage: certified for food contact and ideal for water supply.
  • Agricultural sector: for storing liquid fertilizers or irrigation water.
  • Industrial plants: for managing technical or process liquids.

Advantages of Our Polyethylene Underground Tanks

Choosing COMID tanks means benefiting from:

  • Superior durability: designed to withstand weather conditions and ground stress.
  • Economic efficiency: reduced maintenance costs and long service life.
  • Customization: available in various capacities and configurations to meet specific needs.

Why Choose COMID?

COMID offers a wide range of polyethylene underground tanks, ensuring certified products compliant with current regulations. With our expertise in the hydraulic sector, we provide reliable and high-performance solutions for all types of applications.

Available Now
8700 LITERS POLYETHYLENE TANK | UNDERGROUND - (SP8700INT-RTC)
Product in stock - Shipped in 24/48h
8,500-liter, one-piece, corrugated linear polyethylene (LLDPE) underground cistern for maximum mechanical strength. Ideal for potable water, storm water and compatible food liquids. Equipped with Ø 63 cm cap and lifting golfer.

Capacity: 8,500 liters.
Dimensions: 2.66 × 2.25 × 2.36 m (L × W × H)
Cap: Ø 63 cm flip top (TAP800)
Optional extension: PP77
Lifting golfer: 8 pcs
Installation: underground - not for outdoor use
Material: high-strength food grade LLDPE
Operating temperature: -20 °C to +80 °C
Complies with: EC Reg. 1935/2004, EU 10/2011, EU 2020/1245, DM 21/03/1973

Ideal for underground storage of drinking water or rainwater collection in residential, agricultural and industrial areas.
€3,162.40
€2,592.13 Excl Taxes
Available Now
5700 LITERS POLYETHYLENE TANK | UNDERGROUND - (SP5700INT-RTC)
Product in stock - Shipped in 24/48h
One-piece 5700-liter underground cistern made of linear polyethylene (LLDPE), corrugated to resist ground thrusts. Perfect for drinking water, storm water and food liquids. Equipped with Ø 63 cm cap and lifting golfer.

Capacity: 5700 liters
Dimensions: 2.42 × 1.92 × 2.10 m (L × W × H)
Cap: Ø 63 cm flap cap (TAP800)
Optional extension: PP77
Lifting golfer: 8 pcs
Installation: underground - not for outdoor use
Material: high-strength food grade LLDPE
Operating temperature: -20 °C to +80 °C
Complies with: EC Reg. 1935/2004, EU 10/2011, EU 2020/1245, DM 21/03/1973

Ideal for underground storage of drinking water or rainwater collection in residential, agricultural and industrial areas.
€1,982.33
€1,624.86 Excl Taxes
Available Now
POLYETHYLENE TANK 10700 LITERS | UNDERGROUND - (SP10000INT-RTC)
Product in stock - Shipped in 24/48h
10,700-liter, one-piece, corrugated linear polyethylene (LLDPE) underground cistern for high resistance to soil thrusts. Ideal for potable water, storm water and compatible food liquids. Complete with Ø 63 cm flap cap and lifting golfer.

Capacity: 10,700 liters
Dimensions: 2.78 × 2.43 × 2.66 m (L × W × H)
Cap: Ø 63 cm flap cap (TAP800)
Optional extension: PP77
Lifting golfer: 8 pcs
Installation: underground - not suitable for outdoor use
Material: non-toxic and food grade LLDPE
Operating temperature: -20 °C to +80 °C
Compliant: EC Reg. 1935/2004, EU 10/2011, EU 2020/1245, DM 21/03/1973

Perfect for underground storage of drinking water or rainwater collection in civil and industrial settings.
€4,092.15
€3,354.22 Excl Taxes
Available Now
POLYETHYLENE TANK INTERRO 2000LT - REAL CAPACITY 2020LT - (SEIN2000AG)
Product Available in Stock - Shipment in 24h


Actual capacity
2020 Liters

UseStorage of: rainwater, stormwater, firefighting storage, domestic sewage, landfill leachate, drinking water, etc. MaterialNon-toxic high-density linear polyethylene suitable for drinking water according to Ministerial Decree No. 174, 06.04.04.Warranty: 2 years
FREE SHIPPING*

*Shipping is not free to islands. For info on delivery to these areas please contact us.


CLICK ON THE LINK TO RETURN TO THE PAGE OF POLYETHYLENE WATER TANKS
€1,051.95
€862.25 Excl Taxes
Available Now
POLYETHYLENE TANK INTERRO 9000LT - REAL CAPACITY 8600LT - (SEIMP9000AG)
Product Available in Stock - Shipment in 24h


Actual capacity
8600 Liters

UseStorage of: rainwater, stormwater, firefighting storage, domestic sewage, landfill leachate, drinking water, etc. MaterialNon-toxic high-density linear polyethylene suitable for drinking water in accordance with Ministerial Decree No. 174, 06.04.04.Warranty: 2 years
FREE SHIPPING*

*Shipping is not free to islands. For info on delivery to these areas please contact us.


CLICK ON THE LINK TO RETURN TO THE PAGE OF POLYETHYLENE WATER TANKS
€4,294.45
€3,520.04 Excl Taxes
Available Now
POLYETHYLENE TANK INTERRO 7000LT - REAL CAPACITY 6600LT - (SEIMP7000AG)
Product Available in Stock - Shipment in 24h


Actual capacity
6600 Liters

UseStorage of: rainwater, stormwater, firefighting storage, domestic sewage, landfill leachate, drinking water, etc. MaterialNon-toxic high-density linear polyethylene suitable for drinking water in accordance with Ministerial Decree No. 174, 06.04.04.Warranty: 2 years
FREE SHIPPING*

*Shipping is not free to islands. For info on delivery to these areas please contact us.


CLICK ON THE LINK TO RETURN TO THE PAGE OF POLYETHYLENE WATER TANKS
€3,334.80
€2,733.44 Excl Taxes
Available Now
POLYETHYLENE TANK INTERRO 5500LT - REAL CAPACITY 5600LT - (SEIMP5500AG)
Product Available in Stock - Shipment in 24h


Actual capacity
5600 Liters

UseStorage of: rainwater, stormwater, firefighting storage, domestic sewage, landfill leachate, drinking water, etc. MaterialNon-toxic high-density linear polyethylene suitable for drinking water in accordance with Ministerial Decree No. 174, 06.04.04.Warranty: 2 years
FREE SHIPPING*

*Shipping is not free to islands. For info on delivery to these areas please contact us.


CLICK ON THE LINK TO RETURN TO THE PAGE OF POLYETHYLENE WATER TANKS
€2,854.97
€2,340.14 Excl Taxes
Available Now
POLYETHYLENE TANK INTERRO 5000LT - ACTUAL CAPACITY 4600LT - (SEIMP5000AG)
Product Available in Stock - Shipment in 24h


Actual capacity
4600 Liters

UseStorage of: rainwater, stormwater, fire-fighting storage, domestic sewage, landfill leachate, drinking water, etc. MaterialNon-toxic high-density linear polyethylene suitable for drinking water in accordance with Ministerial Decree No. 174, 06.04.04.Warranty: 2 years
FREE SHIPPING*

*Shipping is not free to islands. For info on delivery to these areas please contact us.


CLICK ON THE LINK TO RETURN TO THE PAGE OF POLYETHYLENE WATER TANKS
€2,375.14
€1,946.84 Excl Taxes
Available Now
POLYETHYLENE TANK INTERRO 3700LT - (SEIMP3700AG)
Product Available in Stock - Shipment in 24h


Actual capacity
3700 Liters

UseStorage of: rainwater, stormwater, fire-fighting storage, domestic sewage, landfill leachate, drinking water, etc. MaterialNon-toxic high-density linear polyethylene suitable for drinking water in accordance with Ministerial Decree No. 174, 06.04.04.Warranty: 2 years
FREE SHIPPING*

*Shipping is not free to islands. For info on delivery to these areas please contact us.


CLICK ON THE LINK TO RETURN TO THE PAGE OF POLYETHYLENE WATER TANKS
€1,972.08
€1,616.46 Excl Taxes
Available Now
POLYETHYLENE TANK INTERRO 39000LT - ACTUAL CAPACITY 40100LT - (SEIMN39000AG)
Product Available in Stock - Shipment in 24h


Actual capacity
40100 Liters

UseStorage of: rainwater, stormwater, fire-fighting storage, domestic sewage, landfill leachate, drinking water, etc. MaterialNon-toxic high-density linear polyethylene suitable for drinking water in accordance with Ministerial Decree No. 174, 06.04.04.Warranty: 2 years
FREE SHIPPING*

*Shipping is not free to islands. For info on delivery to these areas please contact us.


CLICK ON THE LINK TO RETURN TO THE PAGE OF POLYETHYLENE WATER TANKS
€18,401.33
€15,083.06 Excl Taxes
Available Now
POLYETHYLENE TANK INTERRO 33000LT - ACTUAL CAPACITY 33580LT - (SEIMN33000AG)
Product Available in Stock - Shipment in 24h


Actual capacity
33580 Liters

UseStorage of: rainwater, stormwater, fire-fighting storage, domestic sewage, landfill leachate, drinking water, etc. MaterialNon-toxic high-density linear polyethylene suitable for drinking water in accordance with Ministerial Decree No. 174, 06.04.04.Warranty: 2 years
FREE SHIPPING*

*Shipping is not free to islands. For info on delivery to these areas please contact us.


CLICK ON THE LINK TO RETURN TO THE PAGE OF POLYETHYLENE WATER TANKS
€15,234.48
€12,487.28 Excl Taxes

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