Controllable backflow preventer with reduced pressure zone - Family B type A according to DIN EN 12729 for temporary connection to potable water supply installed outside of buildings— 6 стр.
Devices to prevent pollution by backflow of potable water - Controllable backflow preventer with reduced pressure zone - Family B, type A; German version EN 12729:2002— 32 стр.
Protection against pollution of potable water installations and general requirements of devices to prevent pollution by backflow; German version EN 1717:2000; Technical rule of the DVGW— 53 стр.
Specifications for installations inside buildings conveying water for human consumption - Part 5: Operation and maintenance; German version EN 806-5:2012— 32 стр.
Specifications for installations inside buildings conveying water for human consumption - Part 1: General; German version EN 806-1:2001 + A1:2001— 32 стр.
Drinking water supply from small units and non stationary plants - Part 2: Non stationary units - Guidelines for drinking water, planning, construction, operation and maintenance of units; Technical rule of the DVGW— 40 стр.
Controllable backflow preventer with reduced pressure zone - Family B Type A according to DIN EN 12729 for temporary connection to standpipes installed outside of buildings
