58 1800 evacuated tube solar water heater

58 1800 evacuated tube solar water heater 1.food grade steel for water tank 2.fast delivery 3.with 3H tube lifespan:15years

58 1800 evacuated tube solar water heater

Features:

1) Stable and reliable performance and well wind resistance

2) Vacuum heat-collecting tubes at high temperature

3) Dual-purpose brackets for both flat and inclined roof

4) Meeting the demand of well-to-do families

5) Economical goods

6)More thick solar vacuum tubes that can resist big hails.

 Specifications:

1) Thickness of bracket: 1.5mm

2) Heat-pipe vacuum tube: 58 mm x 1800mm

3) Inner tank: SUS304-2B food grade stainless steel

4) Outer tank: steel (spray-paint and looks like china paint)

5) Capacity: 100/120/150/180/200/250/300/500L

6) Insulating layer thickness: 55 mm

7) Inner tank thickness of: 0.4 - 0.5mm

8) Tank diameter: 460mm

9) Heat preservation: 72hrs

10) Hail resistance: 35mm 

Descripition	No-pressurized solar water heater
material of out tank	food grade SUS304 Stainless Steel
material of inner tank	SUS304 Stainless Steel
tank insulating layer	55mm high-density polyurethane foamed
Heat exchanging coil	Copper 12mm head
max pressure	0.05 Mpa
solar collector tube	3.3 Borosilicate glass with N/Al coating
thickness of glass tube	2.0mm
Vacuum tube tightness	P≤0.005 Pa
absorption	as=0.93-0.96(AM1.5)
Emission ratio	εh=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	Galvanized Steel
Average heat loss coefficient	ULT=0.6~0.7W/(m2.C)
Tank capacity	100L/150L/300L
vacuum tube	1500mm/1800mm/2100mm

58 1800 evacuated tube solar water heater