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4 TECHNICAL DATA
Return-flow loading valve K36 DN 20
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Connectors
on heat production equipment: 1” external thread
to accumulation tank ¾” internal thread
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Materials
Fixtures brass
Seals EPDM/paper
Insulation EPP
Hydraulics
Max. temperature: 110°C
Max. pressure 4 bar
Kvs value 5.3
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5 PERFORMANCE
The stove has an output of approx. 3 kW on the water.
Which equates to:
- 130 l water flow per hour at 20°C between the thermometers
- 172.5 l water flow per hour at 15°C between the thermometers
- 260 l water flow per hour at 10°C between the thermometers
The installed pump (Grundfos UPS 15-40) is triggered
- at level III (at 520 l/h) at approx. 3.2 m WS (pressure loss)
this equates to approx. 40 m of Ø 18 x 1.5 mm copper pipe.
- at level II (at 520 l/h) at approx. 2.5 m WS (pressure loss)
this equates to approx. 30 m of Ø 18 x 1.5 mm copper pipe.
- at level I (at 520 l/h) at approx. 1.3 m WS (pressure loss)
this equates to approx. 15 m of Ø 18 x 1.5 mm copper pipe.
As a rule, the pump is capable of running at level I.
