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- Caleffi 2521 Solar Tempering Valve 50mm
Caleffi 2521 Solar Tempering Valve 50mm
Heavy duty high temperature solar 5231 series tempering valve with 50mm male unions.
For use on high demand, high temperature hot water systems for a flow rate between 33 and 272L/min
Connection: 50mm
Recommended working pressure 100 – 500kPa (balanced)
Kv = 222L/min
Union connections with fiber washer seal, without check valves
Adjustable temperature range: 35-65ºC
Temperature control: +/- 2ºC
Max. operating temperature: 100ºC
Material: Low lead DZR brass
A minimum 20kPa dynamic system pressure is required for correct valve function excluding any system losses in pipework etc.
Note: These solar temp valves are indent only – contact us for more info
Conditional guarantee:
5 years parts and labour
Temp Adjustment Range 35 - 65ºC
Temp Control +/- 2ºC
Max Op. Temp. 100ºC
Operating Press. Range 20 - 500kpa
Max. Inlet Press. Ratio 2:1
Max Test Press. 1400kPa
Min. flow rate 5L/min
Material DZR Brass