Press fitting system with pressfittings past, the laws pipes of copper acc. Your one 1057 past, the laws dvgw work sheet gw 392, suitable to:gases acc. Dvgw work sheet g 260 in gas installations acc. Dvgw-trgi 2008 dvgw work sheet g 600 dvfg trf 2012.Lpg in gasfasen to h... Read throughout product description by to press on buy button.