Material of out tank

0.31-0.4mm color steel/fluorine carbon steel

Material of inner tank

Food grade 0.31-0.4mmSUS304 Stainless Steel

Tank insulating layer

55mmhigh-density polyurethane foamed

Inlet and outlet hole

Male G 1/2, 3/4

Max pressure

0.05 Mpa

Solar collector tube

3.3 Borosilicate glass with N/Al coating

Thickness of glass tube

1.6mm

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)

Bracket:

1.5mm thickness Galvanized Steel

Structure of tank:

5 holes for air vent,overflow,water inlet and outlet,electric heater

Welding:

Argon arc welding

Fastening pieces:

Made of stainless steel screw

Assistant tank

 5L

Models

Vacuum Tube

Tank

Capacity 

Inner

Tank

Outer

Tank

GW

(kg)

ST10

SUS304

0.4mm

PVDF

0.4mm

47

30% T/T in advance, the rest paid against B/L copy

100% T/Tin advance for sample

7-10 days after payment for sample

15-20 days after payment for container