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CISDOC database

Document ID (ISN)35838
CIS number 81-991
Year 1979
Convention or series no. ANSI Z9.2-1979
Title Fundamentals governing the design and operation of local exhaust systems.
Bibliographic information American National Standards Institute, 1430 Broadway, New York, N.Y. 10018, USA, 29 Mar. 1979. 72p. Illus. 11 ref. Price: US$11.50.
Abstract This standard comprises the fundamentals of good practice in industrial local exhaust systems installed to prevent unhealthy or unsafe environmental conditions or to minimise nuisances. Definitions are followed by sections devoted to: plant construction and layout; exhaust hoods; exhaust ducts; air-cleaning equipment; exhausters (fans, turbo-compressors, positive displacement blowers, ejectors, fan selection); construction and installation; operation and maintenance; checking of operation (air-flow measuring devices). Tables: velocity pressures for different air velocities, density correction factors, altitude, temperature and air density.
Descriptors (primary) USA; ventilation design; exhaust ventilation
Descriptors (secondary) air purification; fans; ducts; periodical checks; preventive maintenance; airflow measurement; standard; mechanical ventilation
Document type F - Information notes, codes of practice, standards
Subject(s) Heating, ventilation and climate
Broad subject area(s)
Browse category(ies) Ventilation