Circulation unit, Fixed temperature
GFF100
- Constant temperature control thanks to the thermostatic valve
- Adjustable flow temperature settings
- 180mm pump ready – be free to use favorite pump manufacturer
- High class, adjustable insulation shell
The ESBE series GFF100 is a circulation mixing unit which is intended for heating circulations where the constant temperature control are required. Equipped with two shut-off valves with thermometers, check valve and high class isolation shell. The GFF100 is delivered with the 3-way thermostatic valve, which provides constant temperature regulation of the heating system and adjustable temperature setting.
The ESBE Circulation Unit GFF100 is ready to work with 180mm pumps. The smart adjustable insulation shell makes it sure that any kind of pump will be isolated in a right way.
Product range
GFF111
| Art.no. | Reference | DN | Temperature range [°C] | Connection I | Connection J | Weight [kg] |
| 61220100 | GFF111 | 25 | 20–55 | G 1" | G 1½" | 3,3 |
Technical data
Technical data
| Pressure class: | PN 10 |
| Working pressure: | 1,0 MPa |
| Insulation: | EPP λ 0,036 W/mK |
| Media, Heating water: | in accordance with VDI2035 |
| Media, Water/Glycol mixtures: | max. 50 % (above 20% admixture, the pump data must be checked) |
| Media temperature, max.*: | +100 °C |
| Media temperature, min.*: | +5 °C |
| Ambient temperature, max.*: | +60 °C |
| Ambient temperature, min.*: | 0 °C |
| *Media temperature/Ambient temperature, max.°C/min.°C.: | consider data for choosen pump |
| Connections, Internal thread (G): | ISO 228/1 |
| Connections, External thread (G): | ISO 228/1 |
| Material, in contact with water |
Components: Brass, steel Sealing materials: PTFE, Aramid fibre, EPDM |
Integrated valve
| ESBE VTA372 | |
| max. Differential pressure drop: | 100 kPa (1bar) |
| Temperature range: | 20 - 55⁰C |
| Temperature stability: | ± 3⁰C * |
| *: | * Valid at unchanged hot/cold water pressure, minimum flow rate 9 l/min. Minimum temperature difference between hot water inlet and mixed water outlet 10°C |
Conformity
SI 2016 No. 1105
Characteristics
Accessories and spare parts
Options
| Art No. | Reference | Designation | Note | Data sheet | Instruction manual | |
 |
66001100 | GMA411 | ESBE GMA411 Hydraulic separation for 1 circulation unit. | DN25/32 |  |
|
 |
66001200 | GMA421 | ESBE GMA421 Manifold for 2 circulation units, without integrated hydraulic separator function. | DN25/32 | |
|
 |
66001300 | GMA431 | ESBE GMA431 Manifold for 3 circulation units, without integrated hydraulic separator function. | DN25/32 | |
|
 |
66001400 | GMA441 | ESBE GMA441 Manifold for 4 circulation units, without integrated hydraulic separator function. | DN25/32 | |
|
 |
66001500 | GMA451 | ESBE GMA451 Manifold for 5 circulation units, without integrated hydraulic separator function. | DN25/32 | |
|
 |
66001600 | GMA521 | ESBE GMA521 Manifold for 2 circulation units, with integrated hydraulic separator function. | DN25/32 | |
|
 |
66001700 | GMA531 | ESBE GMA531 Manifold for 3 circulation units, with integrated hydraulic separator function. | DN25/32 | |
|
Spare parts
| Art No. | Reference | Designation | Note | Data sheet | Instruction manual | |
 |
37001700 | VTA937 | ESBE VTA937 Exchange kit VTA370, 20 - 55°C | VTA370 | |
|
 |
67000600 | GSP903 | ESBE GSP903 Thermometer upgrade set, 2 pcs/package | |
|
|
 |
67003400 | GSP911 | ESBE GSP911 Ball valves incl thermometer DN 25, 2 pcs/package | DN25 | |
|
 |
67002000 | GSP910 | ESBE GSP910 Insulation circulation unit FLEXI | |
|
Download area
Download area
| Type | Preview | Download |
| Data sheet | GFF100 |
|
| Installation instruction | GFF100, DN25 |
|
| Certificate | Declaration of Conformity, GFF100 |
|
| Certificate | Declaration of Conformity UKCA, GFF100 |
|
| Certificate | Building Product Declaration BPD3, GFF100 |
|
| Certificate | EAC certificate (RU), GFF100 |
|
| Certificate | Certificate of conformity UA, GFF100 |
|
| Image | GFF111, high res |
|
| 2D Image | GFF111 |
|
| 3D drawing (stp file) | GFF111, DN25 |
|
Related materials
Related products
Quick links