EEMUA 145:1987

FOREWORD

The Publications in this series of specifications for 90/10 copper nickel tubes, flanges and fittings are as follows:

Publication No. 144 Tubes: seamless and welded

Publication No. 145 Flanges: composite and solid

Publication No. 146 Fittings

This specification is for a series of composite (lap type) and solid flanges in metric dimensions based on ANSI B16.5, MSS SP-44 and BS 1560.

The basic metric dimensions for drilling and flange outside diameters are those given in ANSI B16.5, BS 1560 and MSS SP-44 for Class 150 rating with inch size bolting.

The flanges covered in this specification are suitable for maximum.design pressures of 16 bar at 75°C and 20 bar at 38°C.

For sizes of a particular type of flange not covered within this specification the purchaser should satisfy himself that the flange is suitable for the service intended.

The diameters of hubs have been chosen to permit the use of ring spanners.

A list of other standards and codes referred to in this publication is given in appendix A.