untitled L i c e n s e d c o p y P O N T Y P R I D D C O L L E G E , 1 6 / 0 9 / 2 0 0 7 , U n c o n t r o l l e d C o p y , © B S I BRITISH STANDARD BS EN 1775 2007 Gas supply — Gas pipework for buil[.]
Licensed copy:PONTYPRIDD COLLEGE, 16/09/2007, Uncontrolled Copy, © BSI BRITISH STANDARD Gas supply — Gas pipework for buildings — Maximum operating pressure less than or equal to bar — Functional recommendations The European Standard EN 1775:2007 has the status of a British Standard ICS 91.140.40 12&23