solar tubes use for compact solar water heater - from 1.2 to 2.1

1.widely used for solar water heater, 2.ensure operation in winter, 3.15 years' warranty for tube - more info check here: http://www.sourcingappliances.com/solar-tubes-use-for-compact-solar-water-heater-11140259/

Quick Brief

Type: Solar Water Heater Parts Place of Origin: Zhejiang China (Mainland) Brand Name: three-cavity all-glass evacuated so... Model Number: from 1.2 to 2.1 Type: Tri-element Hitech vacuum tube External pipe diameter: 47 or 58 or 70 Internal pipe diameter: 37 or 47or 58 Pressure-endure: 0.6MPa Sediment method: Three Targets magnetron sputte... Absorptivity: 0.93-0.96 Emittance: <=6.0%(75-80?) Stagnation parameter: 240~260 Average heat loss: <=0.6 coating material: CU/SS-AIN(H)/SS-AIN(L)

Product Features:

1.widely used for solar water heater

2.ensure operation in winter

3.15 years' warranty for tube

Business Terms:

Port: shanghai/ningbo

Minimum Order Quantity: 300 Piece/Pieces

Supply Ability: 15,000,000 Piece/Pieces per Year

Payment Terms: L/C,T/T

Contact Supplier

solar tubes use for compact solar water heater

Product Packagings & Delivery Terms:

Packaging Detail: packed by carton with PE fom insinde

Delivery Detail: 7 days after po

Specifications and Product Details:

Haining Baoguang solar collector tube:

Tube structure	Borosilicate 3.3 glass
External pipe diameter and thickness	Φ=47±0.7mm &=1.6mm Φ=58±0.7mm &=1.6mm Φ=70±0.7mm &=1.6mm
Internal pipe diameter and thickness	Φ=37±0.7mm &=1.6mm Φ=47±0.7mm &=1.6mm Φ=58±0.7mm &=1.6mm
Tube lenghth	from 1.2 to 2.1
Sediment method	Three Targets magnetron sputtering plating
Absorptivity	0.93-0.96
Emittance	<=6.0%(75-80°C)
Stagnation parameter	240~260
Average heat loss	<=0.6