Technical Specifications - Velux PSKR Manual Del Usuario

INStRUCtIoNS FoR INStAllAtIoN AND USE
Solar Pump Units PSKR
Two-line return unit, insulated, DN 20, with solar control, air collector, fill fitting, and flow indicator.
Figure 1: overview
Item/Designation:
PKSR
Pump/type: ST 20/6

technical Specifications

Maximum operating pressure:
Maximum operating temperature (return):
Maximum operating temperature (flow):
Medium:
Nominal diameter:
Connections:
Sealings:
Casing:
Fittings:
Insulation:
thermal conductivity:
14 VELUX
14
6 bar
120°C
140°C
Water with a maximum propylene glycol content of 50%
DN 20
Flat sealing, swivel nut G1, 1¼"
EPDM
GK-CuZn37Pb (2.0340.02)
CuZn39Pb3 (2.0401)
EPP foam
0,038 W/mK
Tube connection
Ø 22
10
1
12
9
8
22
4
11
3
2
12
5
6
10
7
13
15
Connection,
flat sealing G 1"