SFK110, Fixed temperature SFK120, Adjustable temperature SFK130, Motorized mixing valve SFK140, Controller motorized mixing valve
SFK110, Fixed temperature SFK120, Adjustable temperature SFK130, Motorized mixing valve SFK140, Controller motorized mixing valve

Solid Fuel Kit

SFK100

The SFK100 is a load unit dedicated for solid fuel boilers available as thermic solution or motorized solution with actuator or with constant temperature controller.

  • Boiler protection
  • Applicable in- and outside the boiler
  • PWM pump control signal
  • Compact size

Product range

SFK110 front_A-01
SFK110
SFK110 side_A-01
SFK120 front_A-01
SFK120
SFK120 side_A-01
SFK130_SFK140 front_A-01
SFK130/SFK140
SFK130_SFK140 side_A-01
Series SFK110 fixed temperature
Art.no.ReferenceDNKvsConnection AdapterOpening temperatureTemperature, mixed (AB)Weight kgNoteNTCNTC = National Trade Code
55020100SFK111253,2G 1"50°C52°C ± 2°C3,52  
55020200SFK111253,2G 1"55°C57°C ± 2°C3,52  
55020300SFK111253,2G 1"60°C62°C ± 2°C3,52  
55020400SFK111253,2G 1"65°C67°C ± 2°C3,52  
55020500SFK111253,2G 1"70°C72°C ± 2°C3,52  
Series SFK120 adjustable temperature
Art.no.ReferenceDNKvsConnection AdapterOpening temperatureTemperature, mixed (AB)Weight kgNoteNTCNTC = National Trade Code
55021100SFK121254,5G 1"50-70°C52-72°C ± 3°C3,93  
Series SFK130 motorized mixing valve
Art.no.ReferenceDNKvsConnection AdapterOpening temperatureTemperature, mixed (AB)Weight kgNoteNTCNTC = National Trade Code
55021300SFK1312513/8G 1"  4,15Actuator ARA651, 3-point 230 V AC 
Series SFK140 controller motorized mixing valve
Art.no.ReferenceDNKvsConnection AdapterOpening temperatureTemperature, mixed (AB)Weight kgNoteNTCNTC = National Trade Code
55021500SFK1412513/8G 1"  4,62Controller CRA111 

Installation support

Installation examples
SFK100_1-01
Installation instruction SFK100

Technical data

Technical data
Pressure class: PN 6 
Media temperature, max.: +100 °C
min.: 0 °C
Ambient temperature, max.: +50 °C
min.: 0 °C
Working pressure: 0,6 MPa
Connections: Internal thread (G): ISO 228/1 
Media, Heating water  (in accordance with VDI2035) 
Water/Glycol mixtures, max. 50 %
(above 20% admixture, the pump data must be checked)  
Water/Ethanol mixtures, max. 28 %
Material, in contact with water: Components of Brass, Cast iron 
Sealings material of: PTFE, Aramid fibre, EPDM 
EEI (Energy Efficiency Index), Wilo circulation pump: <0,21 
The integrated thermic Load valve, SFK110: Load valve type: VTC312 
Max. differential pressure drop: 100 kPa
Temperature range: 50, 55, 60, 65, 70 °C
Leakrate A-AB: Tight sealing 
Leakrate B - AB: max. 3% of Kvs 
Rangeability Kv/Kv min: 100 
The integrated thermic Load valve, SFK120: Load valve type: VTC422 
Max. differential pressure drop: 100 kPa
Temperature range: 50-70 °C
Leakrate A-AB: Tight sealing 
Leakrate B-AB: Tight sealing 
Rangeability Kv/Kv min: 100 
The integrated Mixing valve, SFK130/SFK140: Mixing valve type: VRG332 
Max. differential pressure drop: 100 kPa
Close off pressure: 200 kPa
Rangeability Kv/Kv min: 100 
Leakrate in % of flow*: <0,05 %
* Differential pressure 100kPa (1 bar) 
Characteristics: See diagram 
The integrated Actuator, SFK130: Actuator type: ARA651 
Control signal: 3-point 
Power supply: 230 ± 10% V AC, 50Hz 
Power consumption: 5 VA
Running time 90°: 60 s
Enclosure rating: IP41 
Protection class: II 
The integrated Controller, SFK140: Controller type: CRA111 
Temperature range: +5 to +95 °C
Power supply: 230 ± 10% V AC, 50 Hz 
Power consumption: 10 VA
Running time at max speed: max. 30 s
Enclosure rating: IP41 
Protection class: II 
The integrated Circulation pump: Power supply: 230 ± 10% V AC, 50/60 Hz 
Power consumption - Wilo RSTG 130mm: 4-75 W
Enclosure rating: IP X4D 
Insulation class: F 
EEI (Energy Efficiency Index): <0,21 
Characteristics: See data sheet 
Conformity CE_A-01
LVD 2014/35/EU
EMC 2014/30/EU
RoHS 2011/65/EU
PED 2014/68/EU, article 4.3
ErP2015_A-01
ErP 2009/125/EC
ErP 2015
Dimensioning $name
Dimensioning guide - Please see data sheet

Accessories and spare parts

Options
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual

VRI111

ESBE Insulation shell series VRI100 for insulation of ESBE valve series VRG100, VRG200, VRG300 and VRB100.
16103800VRI111DN 15/20   
Spare parts
ImageArt.no.ReferenceDesignationNational trade codeNoteData sheetInstructions manual

VTC931

Thermostat VTC931 50°C
57000700VTC931Thermostat, 50°C    

VTC931

Thermostat VTC931 55°C
57000200VTC931Thermostat, 55°C    

VTC931

Thermostat VTC931 60°C
57000300VTC931Thermostat, 60°C Load valve VTC317  

VTC931

Thermostat VTC931 70°C
57000400VTC931Thermostat, 70°C    

VTC942

Exchange kit VTC942, series VTC422, 50 - 70°C.
57080600VTC942Exchange kit series VTC422, 50 - 70°C    

CRA911

Flow pipe sensor CRA911, 5m cable
17053100CRA911Flow pipe sensor, 5m cable    

CRA912

Voltage adaptor CRA912, 230V — 24V.
17053300CRA912Voltage adaptor, 230V — 24V    

ARA902

ESBE ARA902 Knob ARA600
17050600ARA902Knob ARA902    

GSP931

ESBE GSP931 Pump RSTG 15/7,5 Wilo
67003100GSP931Pump RSTG 15/7,5 Wilo    

VRG802

ESBE VRG802 Interior kit DN15/20.
17006900VRG802Interior kit DN15/20   

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 SFK100
Installation instruction SFK100
2D Image SFK110
2D Image SFK120
2D Image SFK130, SFK140
3D drawing (stp file) SFK111
3D drawing (stp file) SFK121
3D drawing (stp file) SFK131, SFK141

Related products

VTC311

VTC300

The series VTC300 is a compact and accurate load valve used for solid fuel boilers up to 30 kW.
VTC311
VTC410

VTC400

The Series VTC400 are load valves with higher kvs values and flexibility. Available with fixed and adjustable temperature setting.
VTC410
3-point

ARA600 3-point

Series ARA600 with 3-point (open/close) signal is suitable for mixing operations.
ARA600
VRG331

VRG330

Series VRG330 are valves suitable for high flow mixing or diverting operation.
VRG131, VRG331
CRA111

CRA110

Series CRA110 is a constant flow temperature controller.
CRA111_versB
CTF151

CTF150

The series CTF150 is typically used for on/off control of circulation pumps and load units.
CTF150
VST212

VST200

The series VST200 prevents excess temperatures in solid fuel fired boilers.
VST212

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