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MARK4

Product catalog summary

Introduction
CALPAK has developed the Mark 4 solar thermosiphonic system, emphasizing strong performance, durability, and high energy savings. The system is designed to provide exceptional performance and financial savings, maintaining traditional values of sturdiness and durability.

Design and Innovation
The Mark 4 features a simple yet detailed design, protected by a European industrial design license. It is the first thermosiphonic system with an aluminum support structure, ensuring easy installation, superior aesthetics, and durability. The collector's innovative production method involves compressing glass and aluminum to form a sturdy, prism-like facade. An anodized double-walled aluminum profile enhances durability and insulation.

Technical Specifications

Collector: High selective TiNOX absorber surface, ultrasonic welding, absorption coefficient > 95%, emission coefficient < 5%, double-wall marine grade anodized aluminum casing, rock wool insulation, tempered low-iron glass cover with >91.5% transparency, 81% efficiency, certified by Solar-Keymark and SRCC.
Tank: Inner tank design by Interdomo, DC-03 steel material, robotized welding with double quality control, direct enameling, magnesium bar corrosion protection, propylene glycol anti-frost protection, injected PU foam insulation, inox flange with electric immersion heater, safety and non-return valve, venting valve, certified by Email and ROHS.
Accessories: Integrated heat exchanger, multi-layer pex-al-pex pipes with thick Isopipe insulation, mounting frames made of thick marine grade anodized aluminum profiles.

Performance and Investment
The Mark 4 system is positioned as a significant investment for household financial prosperity, focusing on annual performance, longevity, and supplier reliability. CALPAK uses state-of-the-art technology and high-quality materials, supported by the enthusiasm of its team.

Conclusion
CALPAK's Mark 4 solar thermosiphonic system represents a pioneering approach in solar thermal technology, offering robust performance, durability, and significant energy savings.

Catalog excerpts

Strong performance and durability for high energy savings

Open the catalog to page 1

Calpak Mark 4 The best solar thermosiphonic system Calpak has created to date! Simplicity of design, with attention to every detail, safety and functionality (Mark4 is protected by European license of industrial design). CALPAK has designed from the ground up a thermosiphonic system that addresses the most important issue: the provision of exceptional performance and thereby enhanced nancial savings. The rst thermosiphonic system with an aluminium support structure for easy installation, superior aesthetics and incomparable durability. We, at CALPAK, with our many years of experience, thought...

Open the catalog to page 2

Strong performance and durability for high energy savings The collector's production method is truly innovative. The glass and aluminium base are compressed so as to form a sturdy totality with a prism-like facade. CALPAK uses the latest technology, raw materials of the highest quality and the state of the art production capabilities of its new factory. Above all however, we at CALPAK apply the enthusiasm of our people to create a product that makes us all truly proud. The anodized double walled aluminium prole epitomises our innovation in oering increased durability and enhanced insulation....

Open the catalog to page 3

annual performance MarkA Technical Specifications Absorber surface treatment Absorber welding Absorption coefficient Emission coefficient Casing material Glass cover Inner tank design Tank/heat exchanger material Welding method Corrosion protection Cathodic protection Anti-Frost protection Connection with diesel/gas burner Connecting pipes Mounting frames high selective (TiNOX) double-wall marine grade anodized aluminium rock wool Solar-Keymark, SRCC by Interdomo (deep side cups and internal welding ensure perfect enameling) robotized with double quality control at 15 bar propylene glycole Calpak...

Open the catalog to page 4

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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