Pipes, Ducts and Fittings for Residential Type Air Conditioning Systems
1. SCOPE
1.1 This Standard applies to pipes, ducts, and fittings manufactured for use
in residential type air conditioning systems, (winter, summer, or year round)
in the following classifications:
(a) Flue pipe, vent connectors, elbows, angles, and accessories;
(b) Plenum chambers, ducts, and accessories;
(c) Take-offs;
(d) Round duct, elbows, angles,…
Conventional signs to be used in schemes for the installations of sanitary systems in ships
The symbols given in tables have been classified in the following manner: - General conventional signs, - Pipes and pipe joints, - Valves and supply fittings. The general conventional signs concern symbols representing principal parts.