Stable and reliable performance no water in solar tube All glass vacuum tubes with heat pipe ss-c/cu and al/n

Features

Stable and reliable performance and well-resistance

All glass vacuum tubes with heat pipe   high efficient heat absorption

selective sputtering coating  SS-c/Cu&AL-N

The heat pipe is made of red copper and conducted heat transferring

by medium (anti-freeze fluid)

Automatic operation

Economical solar heaters

Specifications

The material of inner tank: food grade stainless steel:SUS304-2B thickness  1.2-1.5mm

( it depends on the capacity of water tank)

The material of outer tank    galvanized steel plate

or stainless steel (201), thickness   0.4mm

The material of bracket or support : galvanized steel plate,

thickness  1.5mm

The capacity of water tank   90-300L

The material of insulation  polyurethane foam , thickness  50-55mm

The material of heat pipe    red copper,thickness   top head:0.8mm;

body: 0.5mm; length   1450mm and 1750mm

The material PT valve    brass copper

The electric heater as auxiliary     copper

All bolts and nuts and screws: stainless steel SUS304-2B

Heat preservation:   80-90 hours

Hail resistance  25mm

Certificates ISO9001-2008,CE and so on

other accessories    silicones &rubbers and nuts &screws

model	Absorb area (m2)	Solar evacuated tube			cubage(L)	US Dollar FOB shanghai	Qty.per20`/40`  container
		diameter	length	no.
SFY16- 1.5	1.44	ø58mm	1800mm	16	130		38/76
SFY20-1.5	1.60	ø58mm	1800mm	20	180		36/72
SFY24-1.5	1.92	ø58mm	1800mm	24	216		30/61
SFY30-1.5	2.40	ø58mm	1800mm	30	270		26/52

integrated pressurized solar water heater