ISO 49:1994

Malleable cast iron fittings threaded to ISO 7-1

Specifies requirements for the design and performance of the fittings, being for general purposes for the transmission of fluids and gases up to the limits of pressure and temperature specified. They are intended for the connection of elements threaded in accordance with ISO 7/1, sizes 1/8 to 6. For use in conditions outside the pressure and temperature limits specified, consult the fitting manufacturer.