AWWA C512-2004 给水装置用放气阀、空气,真空和混合空气阀.pdf

ANSI/AWWA C512-04
八
(Revision of ANSI/AWWA C512-99)
American Water Works
Association
The Authoritative Resource for Safe Drinking Waters
AWWA Standard
Air-release
ir/Vacuum, ane
Combination Air Valyes
for Waterworks Service
Effective date: Oct. 1. 2004
First edition approved by AWWA Board of Directors June 20, 1992.
This edition approved June 13, 2004
Approved by American National Standards Institute Aug. 17, 2004
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AWWA Standard
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