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Friwa

DHW

technology

Service water mixing valve DN20

for setting a constant temperature of hot water withdrawn from solar or buffer tanks between 30 °C and 70 °C

Connections 56311: thread connection with ¾" ext. thread
Connections 56321: solder sleeve d = 22 mm

SKU
56311x
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Dimensions
Nominal diameter: DN 20 (¾")
Materials
Valves and fittings: Brass, resistant to dezincification with anti-lime coating
The PAW service water mixing valve is used for setting a constant temperature of the water withdrawn from solar or buffer storage tanks between 30 °C and 70 °C.
With this valve, the danger of scalding due to hot water from the storage tank is reduced considerably. A must-have for each correctly designed solar thermal system for service water.

Housing: Brass, insensitive to calcification, resistant to dezincification
Precision of settings: +/- 2 °C
Max. operating temperature: 98 °C
Max. operating pressure: PN 10
Range of setting: 30-70 °C
Withdrawal: 39 l/min (DP = 1.5 bar)
Connections: thread connection with ¾" external thread