Valves
Valve testing covers ball valves, other stop valves and non-return valves up to DN63 and is applied to valves intended to use at +65 ᵒC. Valve testing consists of operating torque measurements, mechanical resistance, bending resistance, hydraulic performance tests and endurance of the operating mechanism.
• EN 13828 Stop valves
• EN 1213 Building valves
• EN 13959 Anti-pollution check valves / non-return valves
• EN 1267 Test of flow resistance