ATT Tank Hose Drain Systems
The ATT Tank Hose Drain Systems are installed on tanks equipped with an external floating roof.
ATT Tank provide a comprehensive program of drain hoses and couplings used for reliable rainwater drainage from external floating roofs. The operating conditions to which the hose is subjected determines the requirements the hose must meet.
It is important to be aware of all operating conditions and the manner of hose installation. Like tank diameter and tank height, the stored medium, operating temperature and ambient temperature, operating pressure or vacuum and tank shell- and external floating roof connection.
Incorrect use may cause tears in the hose, may deform it or may expand it; or may damage the insert, over braid and/or spiral.
The ATT Tank drain hoses are available with an outer wall in various qualities of synthetic rubber or plastics, with possibly a fully integral steel coil and externally visible stainless-steel coils. The drain hoses are available lengths of up to 60 meters (composites hose maximal 24 meters). All our drain hoses will be delivered with a test certificate.
Engineering details for protection against damage by roof legs misalignment of the hose are provided upon request.
The most commonly used ATT Tank Hose Drain Systems are:
• Composite Hose Drain
• Rubber Hose Drain