This standard specifies test methods for the resistance to internal pressure (method A) and the leaktightness (method B) of thermoplastics valves.
This standard is applicable to thermoplastics valves intended for the transport of fluids.
BS EN 917:1997 history
1997BS EN 917:1997 Plastics piping systems. Thermoplastics valves. Test methods for resistance to internal pressure and leaktightness