Stainless Steel Low Pressure Solar Thermal Collector

Solar Water heater(100L to 300L) Stainless steel
Main Features :
Low pressure
Full stainless SUS304 2B food grade inner tank
Automatic welding, anti-corrosion
5 years Garantee
High efficient : Absorption rate over 85%
 vacuum tubes with Al-N-Al coating or CU-AL-SS 3 target coating
Calentadores solares
Automatic non gap ,self melted welding inner tank,anti-corrosion

China high quality Glass vacuum tube Solar Water heater
100% solar working system
Vacuum tube Non pressure(stainless steel, color steel)
Inner tank: 0.4mm-1.0mm SUS304 2B food grade stainless steel
Outer tank: 0.4mm SUS304 2B or BA food grade stainless steel or 0.5mm galvanized steel
Frame: 1.2mm stainless steel or 1.5mm galvanized steel or anodized aluminum (for coast area with corrosion problem)
Tubes: High birosiligate glass tube with AL-N-AL coating or AL-N-AL-CU-SS Three target coating
Accessories : Magnesium bar  1 PC, protect tank from corrosion and defect from Ca 2+ and Mg 2+
T/P valve  : 1 PC,  working at 4 bar, 90 degree 
Electric  heating : 220V /110V,  1500W -3000W 
MODEL Tank capacity
(L) Tube quantity Absorber area
(m2) Loading quantity

                                                                      20GP/40HQ(set)
FT-SS-LP-420-45/1500-15 84 15 0.80 63/146
FT-SS-LP-420--47/1500-18-C 100 18 0.96 56/130
FT-SS-LP-420-47/1500-20-C 111 20 1.06 48/111
FT-SS-LP-420-47/1500-22-C 121 22 1.17 15/100
FT-SS-LP-420-47/1500-24-C 133 24 1.28 41/88
FT-SS-LP-420-47/1500-25-C 138 25 1.33 38/84
FT-SS-LP-420-47/1500-28-C 154 28 1.49 35/75
                                   MODEL Tank capacity
(L) Tube quantity Absorber area
(m2) Loading quantity
20GP/40HQ(set)
FT-SS-LP-470-45/1500-15 113 15 0.80 63/146
FT-SS-LP-470--47/1500-18 139 18 0.96 56/130
FT-SS-LP-470-47/1500-20 155 20 1.06 48/111
FT-SS-LP-470-47/1500-22 170 22 1.17 45/100
FT-SS-LP-470-47/1500-24 186 24 1.28 41/95
FT-SS-LP-470-47/1500-25 194 25 1.33 40/93
FT-SS-LP-470-47/1500-28 218 28 1.49 38/88
FT-SS-LP-470-45/1500-30 234 30 1.60 34/79.