Valves for water supply. Fitness for purpose requirements and appropriate verification tests - Isolating valves1 Scope This European Standard defines the minimum fitness for purpose requirements for isolating valves to be used in, or connected to, water supply pipe systems, above or below ground (see EN 805), carrying water intended for human consumption. This standard specifies the design requirements, the performance requirements, and the conformity assessment method for isolating valves, whatever their type and materials. This standard applies in priority

safeguard the lives of the public

Annex B (informative) Flesh tone data set

Wastewater and drainage specialists

but outlines the fundamental principles for evaluating the suitability of a particular method for a given type and volume of water

or equal to

Ultrasonic diagnostic equipment s equipment that applies ultrasonic waves to an object and maps its internal shape on the rebounding waves

This standard gives requirements for the construction

• Annex A (informative) Categorization criteria

Bulkhead washers highly help resist pressure as well

Arrangement and position of stamp markings

Safety of electronic appliances during manufacturing is important

the code known as the “Hollerith Code”