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HomeProductsSolar Water Heater Accessories

evacuated tubes for solar water heater collector

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Sunfield people are very kind. You are full of responsibility. The products are of good quality. Now, I do not get any feedback of the quality problem

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evacuated tubes for solar water heater collector

evacuated tubes for solar water heater collector supplier evacuated tubes for solar water heater collector supplier

Large Image :  evacuated tubes for solar water heater collector

Product Details:

Place of Origin:China
Brand Name:SUNNY
Certification:ISO
Model Number:Vacuum tube (evacuated tube)

Payment & Shipping Terms:

Minimum Order Quantity:Negotiation
Price:Negotiation
Packaging Details:According to customer’s requirment
Delivery Time:7-15days
Payment Terms:L/C T/T,Paypal
Detailed Product Description

Customized Solar Water Heater Accessories Vacuum Tube, Evacuated Glass Tubes

Solar Water Heater Accessory Vacuum tube (evacuated tube)            

 

      

                           evacuated tubes for solar water heater collector

                          evacuated tubes for solar water heater collector

Applications:

Vacuum tubes are used for solar water heaters and solar collectors.

 

Feature:

a.three target(AL/N-SS-CU)coating

b.High heat-collecting effciency

c.Good weather-resistance

 

Specifications:

Structure

All-glass concentric dual tube geometer

Glass material 

Borosilicate glass 

Outer tube diameter and thickness 

Φ=47±0.7mm & =1.5mm 
Φ=58±0.7mm & =2mm 
Φ=70±0.7mm & =2mm

Inter tube diameter and thickness 

Φ=37±0.7mm & =1.5mm 
Φ=47±0.7mm & =1.6mm 
Φ=58±0.7mm & =1.6mm

Tube Length

1200(±5mm)1500(±5mm)
1700-1800(±5mm)
2000(±5mm) 

Absorbing
coating
properties

Configulation

1200(±5mm)  1500(±5mm)
1700-1800(±5mm)
2000( ±5mm) 

Method to deposition

Graded A1-N/A1 solar selective absorbing coating

absorptance

as 0.88-0.93

Emittance

Σn:-.08-0.04

Vacuum 

p ≤ 2 × 10-3pa

Stagnation parameter

>250M2C/KW 

Solar radiation exposure for obtaining a preset water temperature 

<2.8MJ/M2

Average heat loss coefficient

<0.8W(M2C)

Lifetime

15years

 

evacuated tubes for solar water heater collector

 

 

Contact Details
Changzhou SUNNY Solar Technology Co., Ltd

Contact Person: Ms. Wu

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