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Dražice NAD 50 V1 50 l buffer tank with insulation
Dražice NAD 50 V1 is a compact storage tank designed to accumulate heating water and stabilize hydronic heating-system operation. Družstevní závody Dražice (DZD) specifies it for use as an equalization or buffer tank in heating systems, including systems with solid-fuel boilers. The tank is also suitable for cooling applications.
The NAD 50 V1 has a heating-water volume of 50 litres. It is supplied with factory-fitted non-detachable polyurethane insulation. Insulation thickness is 42 mm with a thermal conductivity of 0.022 W·m⁻¹·K⁻¹. Standing heat loss is 31 W and the energy-efficiency class is B.
Maximum operating temperature is 90 °C and maximum tank operating pressure is 3 bar. The tank also allows installation of one TJ 6/4" electric heating element with a maximum output of 3.3 kW.
The NAD 50 V1 has several connection points. The main hydraulic connections use 1" female threads, the electric heating-element socket uses a 1 1/2" female thread and the sensor connection uses a 1/2" female thread.
The bare tank diameter is 440 mm, diameter including insulation is 524 mm and total height is 561 mm. Weight including insulation and without water is 25 kg. The official DZD order number is 110580391.
Main advantages
- 50 l heating-water capacity
- Designed for heating-water accumulation
- Suitable as a heating-system buffer/equalization tank
- Suitable for systems with solid-fuel boilers
- Also suitable for cooling
- Factory-fitted non-detachable polyurethane insulation
- 42 mm insulation thickness
- Energy-efficiency class B
- Standing heat loss 31 W
- Maximum operating temperature 90 °C
- Maximum operating pressure 3 bar
- Optional electric heating element
- Maximum heating-element output 3.3 kW
- Compact dimensions
- Suitable for wall-mounted installations
Technical information
| Parameter | Value |
|---|---|
| Manufacturer | DZD Dražice |
| Model | NAD 50 V1 |
| Product type | Storage / buffer tank |
| Heating-water volume | 50 l |
| Domestic hot-water preparation | No |
| Maximum operating temperature | 90 °C |
| Maximum operating pressure | 3 bar |
| Insulation material | Polyurethane |
| Insulation type | Integrated, non-detachable |
| Insulation thickness | 42 mm |
| Insulation thermal conductivity | 0.022 W·m⁻¹·K⁻¹ |
| Energy-efficiency class | B |
| Standing heat loss | 31 W |
| Electric heating element | Optional |
| Maximum number of heating elements | 1 |
| Maximum heating-element output | 3.3 kW |
| Heating-element connection | 1 1/2" female thread |
| Hydraulic connection | 1" female thread |
| Sensor connection | 1/2" female thread |
| Tank diameter without insulation | 440 mm |
| Diameter with insulation | 524 mm |
| Total height | 561 mm |
| Weight with insulation, without water | 25 kg |
Country of manufacture: Czech Republic
Warranty: 2 years