This Belgian standard specifies:
——the dimensions, the general construction characteris ics and the performances (sealing, hydraulic, pressure resis ance and mechanical resis ance) which the globe stop valves must meet. - the testing technique allowing these characteris ics to be controlled.
NBN E 29-804-1989 history
1989NBN E 29-804-1989 Building faucets. Water stop valve. Overall technical specifications