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ESBE VTC511 Range - Internal thread, Load valve

by ESBE
Original price £175.00 Ex-VAT
Original price £175.00 Ex-VAT - Original price £181.00 Ex-VAT
Original price £175.00 Ex-VAT
Current price £112.50 Ex-VAT
£112.50 Ex-VAT - £116.36 Ex-VAT
Current price £112.50 Ex-VAT

Direct from ESBE - Call to check availability or alternative models:  Live Chat / 01985 850982

ESBE VTC511 25-9 RP1 50°C

  • Accurate control of the return water temperature.
  • Easy installation. No need of an adjustment valve.
  • Easy but normally not require maintenance.
The series VTC500 is a thermic valve used for solid fuel boilers up to 150 kW. The load valve makes sure that the boiler gets up to a high combustion temperature so as to ensure the lowest possible emissions. Above all, the valves make sure that the return temperature to the boiler is kept high and guaranteed over the entire combustion cycle which enables a higher level of boiler efficiency, reduced tarring and increased life span of the boiler. Read more on Esbe Website - ESBE | VTC500, Load valve
Art.no. Reference DN Kvs Opening temperature Connection A [mm] B [mm] C [mm] D [mm] Weight [kg] Replaces
51020100 VTC511 25 9 50°C ± 5°C Rp 1" 93 34 69 47 0,84 11400600
51020200 VTC511 25 9 55°C ± 5°C Rp 1" 93 34 69 47 0,84 11400700
51020300 VTC511 25 9 60°C ± 5°C Rp 1" 93 34 69 47 0,84 11400400
51021100 VTC511 25 9 65°C ± 5°C Rp 1" 93 34 69 47 0,84
51020400 VTC511 25 9 70°C ± 5°C Rp 1" 93 34 69 47 0,84 11400100
51020600 VTC511 32 14 50°C ± 4°C Rp 1¼“ 105 38 75 55 1,4 11401100
51020700 VTC511 32 14 55°C ± 4°C Rp 1¼“ 105 38 75 55 1,4 11401200
51020800 VTC511 32 14 60°C ± 4°C Rp 1¼“ 105 38 75 55 1,4 11400800
51021200 VTC511 32 14 65°C ± 4°C Rp 1¼“ 105 38 75 55 1,4
51020900 VTC511 32 14 70°C ± 4°C Rp 1¼“ 105 38 75 55 1,4 11400200

Technical data

Pressure class: PN 10
Differential pressure, max.: 100 kPa
Differential pressure A - B, max.: 30 kPa
Leakrate A - AB: max. 1% of Kvs
Leakrate B - AB: max. 3% of Kvs
Rangeability Kv/Kv min: 100
Conformity:

 

 

Media, Heating water: in accordance with VDI2035
Media, Water/Glycol mixtures: max. 50 %
Media, Water/Ethanol mixtures: max. 28 %
Media temperature, max.: +110 °C
Media temperature, min.: 0 °C
Connections, Internal thread (Rp): EN 10226-1
Connections, External thread (G): ISO 228/1
Material, Valve body and cover: Nodular iron, EN-JS 1050

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