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tubra®-PGF-E / PGF-KR
Solid fuel boiler groups DN 32
Pump group for solid fuel boilers with mixer and servomotor for electronic return temperature control.
- power range up to 80 kW
- PGF-E: Electric 230 V 3-point actuator with 110 s running time
- PGF-KR: Electric 24 V actuator with integrated constant value control
Set point: 20 – 90 °C adjustable - 3-way mixer
DN25 kvs = 8 m³/h
DN32 kvs = 12 m³/h - integrated temperature sensors – position in flow and return
- smooth running ball valves with floating ball
- ball valve spindles exchangeable from the front
- Integrated fitting piece for heat meter or
tubra®-mag-jet magnetite separator - thermal insulation compliant with GEG
tubra®-PGF-E/ -KR
The PGF-V pump group for solid fuel boilers with thermostatic return temperature boosting ensures reliable maintenance of the return temperature between 40 °C – 70 °C. The return temperature can be adjusted via a thermostatic valve.
The PGF-E and -KR pump groups for solid fuel boilers control the return temperature motor-driven by means of a mixer and servomotor.
The PGF-E requires a controller that can regulate the return temperature via the mixer, whereas the PGF-KR has an internal regulation in the mixer motor and is thus ready for use. The integrated temperature sensor is used as the controlled variable for the motor controller; the setting range is between 0 °C – 100 °C.
- Pumps: Wilo Para and without pump
- Control: PGF-E with mixer and actuator for electronic return temperature control PGF-KR with actuator with integrated constant value controller
| Typ | tubra®-PGF T / C | tubra®-PGF V | tubra®-PGF E / KR | tubra®-PGF E / KR |
|---|---|---|---|---|
| Nenngröße | DN 20 | DN 25 | DN 25 | DN 32 |
| Nennleistung bei 2,5 m Restförderhöhe | 30 kW kvs 3,2 | 40 kW kvs 4,6 | 70 kW kvs 8 | 80 kW kvs 12 |
| Abmessungen H x B x T | 405 x 330 x 180 mm | 440 x 250 x 210 mm | 440 x 250 x 210 mm | 440 x 250 x 210 mm |
| Achsabstand | 125 mm | 125 mm | 125 mm | 125 mm |
| max. Betriebsdruck | 3 bar | 3 bar | 3 bar | 3 bar |
| max. Betriebstemperatur | 115 °C | 115 °C | 115 °C | 115 °C |
| Rücklauftemperatur | 60 °C | 40 - 70 °C | PGF E: Stellantrieb 230V 3-Punkt PGF KR: Stellantrieb mit integr. Festwertregelung 20-90 °C | PGF E: Stellantrieb 230V 3-Punkt PGF KR: Stellantrieb mit integr. Festwertregelung 20-90 °C |
| Anschlüsse heizkreisseitig | Rp 3/4 | Rp1 / G1 1/2 AG | Rp1 / G1 1/2 AG | Rp1 / G1 1/2 AG |
| Anschlüsse kesselseitig | Rp 3/4 | G1 1/2 AG | G1 1/2 AG | G2 AG |
| Schwerkraftbremse | 2 x 20 mbar | 20 mbar | 20 mbar | 20 mbar |
| kvs Mischer | 3,2 m3/h | 4,6 m3/h | 8 m3/h | 12 m3/h |
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
Return flow lifting groups DN 20/25/32
tubra®-RHG T/E/KR
Thermal/electronic Controlled solid fuel boiler groups
