field inst std 3
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7/26/2019 Field Inst Std 3
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ISO 5167 Measurement of fluid flow by means of orifice plates,
nozzles and venturi tubes inserted in circular cross-section conduits.
NACE National Association of Corrosion EngineersMR-01-75. NEC
National Electric Code.
NEMA National Electrical Manufacturers Association ICS-6 Enclosures for
Industrial control and systems. NFPA National Fire ProtectionAssociation.
NFPA-496 Purged and pressurized enclosures for electrical
Equipment.
OSHA Occupational Safety and Health Authority.