SRCC Solar Keymark NSC-70-20 Solar Collector

NSC-70-20 Solar Collector:1.10 year guarantee 2.USD450.00/set 3.MOQ: 1 set 4. Payment by TT or LC 5. Solar keymark,SRCC passed
1 set of NSC-70-20 Solar Collector
is including manifold, tubes, standard aluminum side frame,feet holder,bolts & nuts. Flat roof or slope roof frame is available according to customer's requirment.
absorber material
Aluminium
thickness of aluminium absorber
0.60mm
width of aluminium absorber
62mm
surface treatment
SS-ALN/CU
absorptance
≥96%
emittance
≤5%
heat transfert fluid content (L)
0.884L
flow pattern
Serial
diameter absorber tubes (mm)
70mm
no. of absorber tubes
10
distance between absorber tubes (mm)
30mm
dimension of the header (mm)
24*70mm
length of tube
1848mm
Transparent cover
2.0mm Borosilicate galss 3.3
glass thermal expansion (/°C)
3.3x10
-6
°C
vacuum (Pa)
≤5×10
-4
Pa
material of shell
2.0mm Aluminum alloy with powder painting
main pipe
Copper pipe
inlet & outlet port
1mm thickness, 22mm diameter
insulation
rock wool, 180kg/m3
stagnation temperature (°C)
>250°C
freezing resistance
>-35°C
hail resistance (diameter)
35mm
max. operating pressure (bar)
8bar
allowed heat transfer fluid
Water-glycol
nominal flow rate per collector
140L/h
Solar Key Mark & SRCC
Yes