Faithful to our objective of providing the highest guarantee to our products, we use cutting edge technology and automation in all the manufacturing processes of our solar thermal collectors:
• Copper pipe straightening and cutting
• Flaring in the collector pipes
• End shaping
• Grate mounting and welding
• Hydraulic testing
• Ultrasonic welding of the absorber surface with the grate
• Anodised aluminium cutting and punching
In order to guarantee the correct operation of our collectors, we carry out 100% of the compliance testing at a pressure of 15 bars. Our aim is to:
• Commit ourselves to excellence and to our clients
• Provide a unique service
• Reduce after-sales service and maintenance as much as possible
Astersa s/a works with high quality raw materials in all its versions, with the objective of providing the highest possible guarantee (10 years) and durability to the collectors. Faithful to our commitments , we consider that it is necessary to have raw materials and chemical processes which are toxic-free, 100% recyclable and respectful with the environment.
As selective collection surface, we offer the best choice in the market, thanks to its high absortance (95.3%) and its low emissivity (4.7%). With this we achieve:
• Higher optical performance
• Higher durability of our collectors
• 100% recyclable material
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