Description
ESBE GRA232 DN25 Grundfos UPM3 AUTO 25-50 Pump Group (61042700)
The ESBE GRA200 & GRA300 Series are circulation units intended for heating circuits where an outstanding flow and temperature control are required. Equipped with two shut-off valves with thermometers, check valve, high class insulation shell and a high efficiency circulation pump. The units are delivered with a 3-way rotary progressive mixing valve which ensures best regulation performances independent from flow rate and low oversizing risk.
The GRA232 comes with an ARA639 proportional controller (24V AC/DC). The circulation unit is also available in DN32 and can be equipped with either a Wilo or Grundfos pump depending on the model number. This unit replaces ESBE part code 61043400.
Features:
- Outstanding flow control thanks to the progressive characteristic of the valve
- 2 different types of actuator: 3-point or proportional control signal (depending on version)
- QuickFit interface between actuator and valve – no tools needed
- 3 different high efficiency circulation pumps
- Available in DN25 & DN32
- High class insulation shell
- Pretested and ready to use
- Compact design
Technical Specifications:
| Reference | GRA232 |
| DN | 25 |
| Pump | Grundfos UPM3 AUTO 25-50 |
| Connection I | 1″ BSP F |
| Connection J | G 1.5″ |
