IAPMO/ANSI Z1157
This Standard covers ball valves in sizes NPS-1/8 to NPS-4, with minimum rated working pressures of
860 kPa (125 psi) at 23 ºC (73ºF), intended for use in water supply and distribution systems and specifies
requirements for materials, physical characteristics, performance, testing, and markings.
Statut:
Retiré
Secteur:
Plumbing
Applicabilité date:
2015-01-05
Date d'expiration:
Numéro de la norme:
IAPMO/ANSI Z1157
Date de publication:
Organisme de certification:
IAPMO Research and Testing, Inc.
Autorité canadienne de réglementation:
Canadian Regulatory Council on Plumbing