Devices to prevent pollution by backflow of potable water. Controllable backflow preventer with reduced pressure zone. Family B. Type A Ingestion-build-64721 which specifies methods of analysis

which specifies methods of analysis

If a clause or subclause is specifically intended to be applicable to me equipment only

A multichannel digital audio tape recorder manufacturer

— definition of information required to be exchanged in the building and operation of transportation equipment throughout its life cycle (see Figure 1)

Facilities management professionals

Devices to prevent pollution by backflow of potable water. Controllable backflow preventer with reduced pressure zone. Family B. Type A Ingestion-build-64721 which specifies methods of analysis1 Scope This European Standard specifies the field of application, the dimensional, the physico chemical, the design, the hydraulic, the mechanical, and the acoustic characteristics of controllable backflow preventer with reduced pressure zone Family B Type A. This standard covers controllable backflow preventers of Family B Type A, with reduced pressure zones, intended to prevent backflow by backsiphoning or backpressure of water into the potable