a professional manufacturer of solar thermal equipment

Evacuated tubes

  • Serial number:ONS-P-T
  • Frost resistance:
  • Condensing side:
  • Brand:ONOSI or OEM
  • Payment:T/T or L/C
  • Delivery time:10 days
  • Minimum order:1 set
  • Shipping port:Shanghai or Ningbo
  • Description
Product name:Evacuated tubes
Model number:ONS-P-T
 
Description:
Advanced solar selective coatings employ two patent technologies:
Double cermet film structure with the highest photothermal efficiency
Metal-Aluminium nitride vermet(M-AIN)materials deposited by a novel sputtering technology
Feature:
1)High solar-thermal conversion and low heat loss
2)Stable advanced coating up to 380℃
3)Long time warranty to 15 years
4)High level vacuum ensure operation under cold weather
5)Adavanced solar silective coating
 
Parameter table:
 
 
Length
1500mm
1800mm
Outer tube diameter
47±0.7mm
58±0.7mm
Inter tube diameter
37±0.7mm
47±0.7mm
Material
Borosilicate Glass 3.3
Absorptive coating
AL-N/AL CU-SS-N/AL
Absorptance
≥0.93
Vacuum
P≤5×10-3Pa
Stagnation temperature
≥250℃