GDF111
GDF111

Circulation unit

GDF100

The ESBE series GDF100 is a direct supply circulation unit designed for applications, where the energy transport is required. Equipped with two shut-off valves with thermometers, check valve and high class isolation shell. 

The ESBE Circulation Unit GDF100 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.

  • 180mm pump ready – be free to use favorite pump manufacturer
  • High class, adjustable insulation shell

Product range

GDF11x front_B-01
GDF100
GDF11x side_B-01
Series GDF100
Art.no.ReferenceDNConnection IConnection JWeight kgNote
61200100GDF11125G 1"G 1½"2.9 

Installation support

Installation examples
Flexi_B-01
Installation instruction GDF100

Technical data

Technical data
Pressure class: PN 6 
Media temperature, max.: +110 °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 
$name
EnEV 2014
Characteristics GDF100_dimensioning_verA_en-01

Accessories and spare parts

Options
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual

GMA121

Manifold for 2 circulation units, without integrated hydraulic separator function.
66000100GMA121Manifold GMA121 Manifold for 2 units. 

GMA131

Manifold for 3 circulation units, without integrated hydraulic separator function.
66000200GMA131Manifold GMA131 Manifold for 3 units. 

GMA221

Manifold for 2 circulation units, with integrated hydraulic separator function.
66000300GMA221Manifold GMA221 Manifold for 2 units, with integrated hydraulic separator function. 

GMA231

Manifold for 3 circulation units, with integrated hydraulic separator function.
66000400GMA231Manifold GMA231 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 GDF100
Data sheet GDF100 (cs)
Installation instruction GDF100
Installation instruction GDF100 (si)
2D Image GDF111
3D drawing (stp file) GDF111, DN25

Related products

GMA121

GMA100

Series GMA100 is manifolds for 2 or 3 circulation units including insulation according to EnEV2014 and wall brackets.
GMA121
GMA221

GMA200

Series GMA200 is manifolds for 2 or 3 circulation units including integrated hydronic junction, insulation according to EnEV2014 and wall brackets.
GMA221

Quick Links