GFF111
GFF111

Circulation unit

GFF100

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.

  • 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

Product range

GFF11x front_B-01
GFF100
GFF11x side_B-01
Series GFF100
Art.no.ReferenceDNTemperature range °CConnection IConnection JWeight kgNote
61220100GFF1112520–55G 1"G 1½"3.8 

Installation support

Installation examples
Flexi_B-01
Installation instruction GFF100

Technical data

Technical data
Pressure class: PN 6 
Media temperature, max.: +95 °C
min.: 0 °C
Ambient temperature, max.:  °C
min.:  °C
(depends on the electronic equipment)  
Working pressure: 0.6 MPa
Connections, Internal thread (G): ISO 228/1 
External thread (G): ISO 228/1 
Insulation: EPP λ 0.036 W/mK 
Media, Heating water  (in accordance with VDI2035) 
Water/Glycol mixtures, max. 50 %
(above 20% admixture, the pump data must be checked)  
Material, in contact with water: Components of: Brass, steel 
Sealings material of: PTFE, Aramid fibre, EPDM 
Conformity: PED 2014/68/EU, article 4.3 
The integrated Thermostatic mixing valve: Max. differential pressure drop: 100 kPa
Temperature range: 20–55 °C
Temperature stability*: ± 3 °C
* 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. 
$name
EnEV 2014
Characteristics GFF100_dimensioning_verA_en-01

Accessories and spare parts

Options
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual

GMA411

Hydraulic separation for 1 circulation unit.
66001100GMA411Manifold GMA411 Manifold for 1 unit, with integrated hydraulic separator function.

GMA421

Manifold for 2 circulation units, without integrated hydraulic separator function.
66001200GMA421Manifold GMA421 Manifold for 2 units.

GMA431

Manifold for 3 circulation units, without integrated hydraulic separator function.
66001300GMA431Manifold GMA431 Manifold for 3 units.

GMA441

Manifold for 4 circulation units, without integrated hydraulic separator function.
66001400GMA441Manifold GMA441 Manifold for 4 units.

GMA451

Manifold for 5 circulation units, without integrated hydraulic separator function.
66001500GMA451Manifold GMA451 Manifold for 5 units.

GMA521

Manifold for 2 circulation units, with integrated hydraulic separator function.
66001600GMA521Manifold GMA521 Manifold for 2 units, with integrated hydraulic separator function.

GMA531

Manifold for 3 circulation units, with integrated hydraulic separator function.
66001700GMA531Manifold GMA531 Manifold for 3 units, with integrated hydraulic separator function.
Spare parts
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual

GSP903

ESBE GSP903 Thermometer upgrade set, 2 pcs/package
67000600GSP903Thermometer upgrade set, 2 pcs/package    

GSP911

ESBE GSP911 Ball valves incl thermometer DN 25, 2 pcs/package
67003400GSP911Ball valves incl thermometer DN 25, 2 pcs/package DN25  

GSP910

ESBE GSP910 Insulation circulation unit FLEXI
67002000GSP910Insulation circulation unit FLEXI    

Download area

Find here direct related product information for download. If you don’t find your specific need here please look further into below mentioned "Quick links" or this website's “Search” and “Support” area.
Data sheet GFF100
Data sheet GFF100 (cs)
Installation instruction GFF100
Installation instruction GFF100 (si)
2D Image GFF111
3D drawing (stp file) GFF111, DN25

Related products

GMA411

GMA400, GMA500

Series GMA400 and GMA500 are manifolds for circulation units including insulation shell according to EnEV2014 and wall brackets
GMA411

Quick Links