these collector are used for big project ,such as for hotel and pool vacuum tube solar collector:1)Inner tank:0.4-0.6mm thickness 304-2b stainless steel2)outer tank:stainless steel or galvanized steel. 0.4-0.5mm thickness3)vacuum tube :58mm*1800mm quantity:20/25/30/40/50tubes4) Bracket: stainless steel or galvanized steel angle: 12/17/20/25/30/38/45 degrees solar collector
... SH/T0164. The temperature should not be over 75 degrees centigrade or below 45 degrees centigrade. This product is nonflammable, unexplosive, and non ...
... Head Details30 degree inclined trinocular head (easier to view than 45 degrees) rotatable 360 degreesAdjusts to the distance between your eyes: 55mm ...
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