Normas Aplicadas
ASME: American Society of Mechanical Engineers
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Power Piping, B-31.1
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Refrigeration Piping, B-31.5
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Building Services Piping, B-31.9
ASTM: American Society of Testing and Materials
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F-1476 Couplings
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F-1548 Fittings
IAPMO: International Association of Plumbing & Mechanical Officials
NSF/ANSI 61: Standard 61 for potable water services