Current edition approved June 1, 2015. Published August 2015. Originally approved in 1980. Last previous edition approved in 2007 as D3903 – 03 (2007). — 4 p.
This specification covers the general requirements for the rubber seals used in solar energy systems employing air-heat transport. Examples are duct and damper seals. Particular applications may necessitate other requirements that would take precedence over these requirements when specified.
Rubber seals for the collector are covered in Specifications D3667 and D3771.
Design requirement pertains only to permissible deflections of the rubber during thermal expansion or contraction of the seal in use and the tolerances in dimensions of molded and extruded seals.
This specification does not include requirements pertaining to the fabrication or installation of the seals.