
Denwor Closed Expansion Tanks
Bladder-type closed tanks from 100 L to 10,000 L that absorb water expansion and keep a hydronic system steady.
- 100 L to 10,000 L
- PN10 · PN16 · PN25
- −10 °C to 80 °C
- Replaceable bladder

Bladder-type closed tanks from 100 L to 10,000 L that absorb water expansion and keep a hydronic system steady.

Twin-pump boosting set with stainless steel pumps that keeps system pressure constant, even during minor leaks.
Removes dissolved air and gases from the water in closed-loop systems, for quieter and more efficient HVAC circuits.

Removes entrained air and micro-bubbles from HVAC water systems and releases it through an air vent at the top of the tank.

Pressure booster pumps and hydropneumatic pressure systems for buildings and HVAC.

Process & instrumentation panels made to your requirement, with DOL, star-delta or VFD starters and Schneider, ABB or Siemens materials.
Chemical dosing systems that feed water-treatment chemicals into HVAC water circuits in measured amounts.
As well as the products above, we manufacture, import, export, wholesale and trade:
Tell us the product, size and rating you need, and our engineers will send you a quotation.
Denwor products serve heating, ventilation and air conditioning systems, and wherever water pressure and flow need to stay steady.
Tell us about your system and our engineers will recommend the right product.