• Hydrogen Technologies Standards form the basic framework for market ramp-up

    More information
  • Climate change Standards and specifications support climate targets

    More information
  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

    More information
Standards [CURRENT]

ABNT NBR 13225
Specification for square - edged orifice plates and nozzles (with drain holes, in pipes bellow 50 mm diameter, as inlet and outlet devices) and other orifice plates - Specification

Edition 1994-11-30
Original language Portuguese
Price from 49.40 €
Table of contents