Tuxhorn » Product information » Heating » Boiler circuit » Return Lift Groups
tubra®-RHG T / E / KR
Return flow lifting groups DN 20 / 25 / 32
Mixing valve with pump and shut-off valves for solid fuel boiler applications.
- power range up to 90 kW
- RHG-T: Thermal mixing valve DN20: 60 °C
Thermal adjustable mixing valve DN25: 40 – 70 °C - RHG-E: Electric 230 V 3-point actuator with 110 s running time
- RHG-KR: Electric 24 V actuator with integrated constant value control
Set point: 20 – 90 °C adjustable - 3-way mixer
DN20 kvs = 9 m³/h
DN25 kvs = 11 m³/h
DN32 kvs = 19 m³/h - without thermal insulation
tubra®-RHG T
Thermally controlled groups DN 20 / 25
tubra®-RHG E
Electronically controlled groups DN 20 / 25 / 32 with 3-point actuator
tubra®-RHG KR
Electronically controlled groups DN 20 / 25 / 32 with constant value controller in actuator
The thermally and electronically controlled groups.
- Pumps: Wilo Para
- Control: with 3-point actuator or with constant value controller in actuator
Typ | RHG-T | RHG-E | RHG-KR | |||||
---|---|---|---|---|---|---|---|---|
nominal size | DN 20 | DN 25 | DN 20 | DN 25 | DN 32 | DN 20 | DN 25 | DN 32 |
kvs [m³/h] | 3,2 | 4,5 | 9 | 11 | 19 | 9 | 11 | 19 |
Pumpe Wilo Para | 15/6 SCU | 25/6 SCU | 15/6 SCU | 25/6 SCU | 25/6 SC | 15/6 SCU | 25/6 SCU | 25/6 SC |
Power dT=20k [kW] | 30 | 40 | 60 | 70 | 90 | 60 | 70 | 90 |
Connection | Rp 3/4 | G 1 1/2 | Rp 3/4 | G 1 1/2 | G 1 1/2 | Rp 3/4 | G 1 1/2 | G 1 1/2 |
tubra® accessory selection
The pump groups variants for solid fuel boilers
Solid fuel boiler groups DN 20
tubra®-PGF-T/PGR-C
for solid fuel boilers with thermostatic return temperature increase. Fixed value 60 °C.
Solid fuel boiler groups DN 25
tubra®-PGF-V
for solid fuel boilers with thermostatically adjustable return temperature increase 40 – 70 °C
Solid fuel boiler groups DN 25/32
tubra®-PGF-E/PGF-KR
for solid fuel boilers with mixer and servomotor for electronic return temperature control