DIN EN 50216-5:2005 Power transformer and reactor fittings - Part 5: Liquid level, pressure and flow indicators, pressure relief devices and dehydrating breathers; German version EN 50216-5:2002 + A1:2002 + A2:2005
2007DIN EN 50216-5:2007 Power transformer and reactor fittings - Part 5: Liquid level, pressure and flow indicators, pressure relief devices and dehydrating breathers; German version EN 50216-5:2002 + A3:2006
2005DIN EN 50216-5:2005 Power transformer and reactor fittings - Part 5: Liquid level, pressure and flow indicators, pressure relief devices and dehydrating breathers; German version EN 50216-5:2002 + A1:2002 + A2:2005