Description
ESBE GRA231 DN32 Wilo PARA 25/8 Pump Group (61042600)
The ESBE series GRA200 and GRA300 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 Series GRA200 comes with actuator series ARA661 with 3-point control signal, 230V AC, or actuator series ARA639 proportional control signal,24V AC/DC. The circulation units are available in DN25 and DN32 and are equipped with either a Wilo or Grundfos pump. Replaces 61043300.
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 3 sizes: DN20, DN25, DN32
 - High class insulation shell
 - Pretested and ready to use
 - Compact design
 
Technical Specifications:
| Reference | GRA231 | 
| DN | 32 | 
| Pump | Wilo PARA 25/8 | 
| Connection I | G 1 1/4″ | 
| Connection J | G 1 1/2″ | 

