Covess
our
products

What we produce

Sustainable Thermoplastic tanks

COVESS produces 100% recyclable lightweight thermoplastic tanks for various applications and general use. Our cold water vessels are available in various sizes, in basic and sidehole setup.




Manuals
Characteristics
Min. ambient & water temperature 1°C / 34°F
Max. ambient & water temperature 50°C / 120°F
Air cell preset pressure air cell 1,5 bar / 21,76 psi / 150 kpa
Maximum pressure air cell 3 bar / 43.52 psi / 300 kpa
Maximum design pressure 8 bar / 116 psi / 800 kpa
Bladder TPU
Barrier tank PB
Reinforcement layer GF/PP


The tank market today Covess tanks
Corrosion fee
Recyclable
Lightweight
Safe when axplosion occurs?
Impact resistance
Fatigue performance



Options
  • Bottom lid with 2 openings and 2 tubes 5/4” (type 2)
  • Flow through bottom lid with 2 openings and 2 tubes 5/4” (type 3)

BASIC expansion tank 60L 115L 150L 230L 300L 450L
Tank volume gal 16 30 40 60 80 119
liter 60 115 150 230 300 450
Inner diameter inch 18 18 18 24 24 24
mm 460 460 460 610 610 610
Weight kg 9,9 12,9 14,8 19,8 22,8 32,6
Total height inch 25,59 38,38 43,03 42,13 51,77 71,85
mm 650 975 1220 1070 1315 1825
Bottom of the tank (type 1) 1 opening 160mm with V-clamps and 1 tube 5/4"
Top of the tank Air valve


Options
  • Brass tank outlet 28 mm
  • Plastic push-fi t elbow 28 mm
  • Brass male coupler m28 x 1”
  • Galvanised support set 18” or 24”

SIDEHOLE expansion tank 115L 150L 230L 300L 450L
Tank volume gal 30 40 60 80 119
liter 115 150 230 300 450
Inner diameter inch 18 18 24 24 24
mm 460 460 610 610 610
Weight kg 13 15 20 23 32,7
Total lenght inch 35,24 44,88 36,19 47,83 67,91
mm 895 1140 970 1215 1725