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Description | Low Pressure solar water heater | ||||||
Material of out tank | 0.31-0.4mm thickness color steel | ||||||
Material of inner tank | Food grade 0.31-0.5mm mm thickness SUS304 stainless steel | ||||||
Tank insulating layer | 50-65m³ high-density polyurethane foamed | ||||||
Inlet and outlet hole | Male G 3/4, 3/4 | ||||||
Max pressure | 0.05Mpa | ||||||
Solar collector tube | 3.3 Borosilicate glass with three target coating | ||||||
Thickness of glass tube | actual 1.6mm | ||||||
weight of glass tube | actual 2kg | ||||||
Vacuum tube tightness | P<=0.005 Pa | ||||||
Absorption | AS=0.93-0.96(AM1.5) | ||||||
Emission ratio | 0.04-0.06(80C+-5C) | ||||||
Idle sunning property parameters | Y=220~260m2.C/KW | ||||||
Average heat loss coefficient | ULT=0.6~0.7W/(m2.C) | ||||||
frame | 1.5mm thickness Galvanized Steel | ||||||
Design of tank: | 5 holes for air vent,water inlet and outlet,electric heater,Mag Rod | ||||||
Welding: | Argon arc welding | ||||||
Fastening pieces | Made of stainless steel screw | ||||||
Absorber area | 1.29m² | ||||||
Tube quantity | 30 tube 58x1,800mm solar vacuum tube | ||||||
Tank capacity | 250L |
Model | vacuum tubes | Absorb area | Capacity | suitable for | container | container | |||||||
pcs | size | M2 | tank(L) | tube(L) | system(L) | person | 20'GP | 40'HQ | |||||
NPC-8 | 8 | 58*1800 | 1.064 | 71 | 24 | 95 | 1-2 | 85 | 210 | ||||
NPC-10 | 10 | 58*1800 | 1.33 | 87 | 30 | 117 | 2 | 73 | 179 | ||||
NPC-12 | 12 | 58*1800 | 1.596 | 103 | 36 | 139 | 2-3 | 64 | 157 | ||||
NPC-15 | 15 | 58*1800 | 1.995 | 128 | 45 | 173 | 4 | 53 | 128 | ||||
NPC-18 | 18 | 58*1800 | 2.4 | 152 | 54 | 206 | 5 | 46 | 109 | ||||
NPC-20 | 20 | 58*1800 | 2.66 | 168 | 60 | 228 | 5-6 | 42 | 101 | ||||
NPC-24 | 24 | 58*1800 | 3.2 | 200 | 72 | 272 | 6 | 34 | 81 | ||||
NPC-30 | 30 | 58*1800 | 4.02 | 250 | 90 | 340 | 8-9 | 29 | 68 | ||||
NPC-36 | 36 | 58*1800 | 4.78 | 299 | 108 | 407 | 10-11 | 22 | 53 |