
HRUI 30L Small Buffer Tank is a compact and highly efficient solution for modern HVAC systems. Featuring a sleek white and black design, it comes equipped with multiple standard ports for easy installation. Its 30L capacity effectively stabilizes water pressure and minimizes frequent cycling of heat pumps, significantly improving overall energy efficiency and extending equipment lifespan. Designed to fit perfectly into tight spaces, the HRUI 30L Small Buffer Tank is ideal for both residential and small commercial heating and cooling applications, such as sanitary hot water, floor heating, radiator ect. Choose the HRUI 30L Small Buffer Tank for reliable performance and optimal system protection.
- We are producing wide range design of water tanks from 30l to 2000l for heat pump, solar water and electric boiler.
| Model | HWT100L | HWT150L | HWT200L | HWT250L | HWT300L | HWT400L | HWT500L | HWT600L | HWT800L |
| Nominal capacity | 100L | 150L | 200L | 250L | 300L | 400L | 500L | 600L | 800L |
| Outet tank diamter (mm) | Φ470 | Φ470 | Φ520 | Φ560 | Φ600 | Φ700 | Φ700 | Φ700 | Φ900 |
| Inner tank diamater(mm) | Φ370 | Φ370 | Φ420 | Φ470 | Φ500 | Φ600 | Φ600 | Φ600 | Φ800 |
| Tank Height (mm) | 1115 | 1545 | 1545 | 1625 | 1595 | 1625 | 1915 | 2100 | 2050 |
| Inner tank material | stainless steel SUS304 or SUS316L | ||||||||
| Inner tank thickness | 1.2mm | 1.2mm | 1.35mm | 1.5mm | 1.5mm | 1.8mm | 2.0mm | 2.0mm | 3.0mm |
| Outer shell material | Glavalized steel with white/sliver-grey color painting, thickness 0.5mm | ||||||||
| Connections | Factory standard: water inlet &outlet G3/4″, air vent hole G3/4″, temp. sensor hole G1/2″, water drain G1/2″male; or customerized | ||||||||
| Working pressure | 0.6MPa | ||||||||
| Max. pressure | 1.0MPa | ||||||||
| Foaming insulation | Cyclopentane combination polyether foaming, thickness 50mm | ||||||||
| Package size | 535/535/1170 | 535/535/1600 | 590/590/1600 | 630/630/1680 | 670/670/1660 | 780/780/1680 | 780/780/1970 | 780/785/2160 | 985/985/2120 |
*The above models are factory standard design models, it could be customerized design.
**To get more detail informations for the products, please kindly contact us.
Water tank use for heat pump system for example:

- Certificates: we have got CE, PED & ErP

- Our Production
We are processing 2 production lines. And we welcome customers to visit us for further cooperation negotiation.

- Customers’ feedback
We have got many customers’ good feedbacks after received our products and keep long-term happy cooperations.













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