SYSTEM DESCRIPTION
VISION VNS series non-pressure solar water heater incorporates a number of all-glass vacuum tubes, an atmospheric water tank, the supporting bracket and accessories. The vacuum tube for VISION non-pressure solar water heater could be single-target tubes, three-target tubes, and super heat tubes.
MAIN FEATURES
The most economical solar water heating system
Adaptable with most kinds of solar vacuum tubes
Rely on hydraulic pressure for hot water supply
Compatible with electric or gas heating devices
Auto working with a controller or feeder tank
The system is mostly installed on house roof
Working all year round even in cold climate
SPECIFICATION
Storage tank capacity: 70 ~ 300 Liter
Vacuum tube size: Φ47*1500MM; Φ58*1800MM
Tube type: Single-target tube; Three-target tube; Super heat tube
Absorber coating: Single-target AL/AL-ALN; Three-target Cu/SS-ALN
Inner tank material: Food-grade stainless steel SUS304-2B or SUS316L
Tank insulation: High-density PU foam with 80 hour heat preservation
Outer tank material: High-quality color steel or PVDF steel, Food-grade stainless SUS304-2B or SUS304-BA, Bracket material: Shaped strong galvanized steel painted, Shaped strong stainless steel, Shaped strong aluminum alloy
Accessories: Solar controller; assistant tank; electric heater; magnesium anode
Tilt angle: 25°; 38°; 45°
Hail Resistance: 25MM
Working life: 20 years
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