Multi-part Document
BS EN 1503 - Valves. Materials for bodies, bonnets and covers

This is a multi-part document divided into the following parts:

• Part 1 Valves. Materials for bodies, bonnets and covers. Steels specified in European Standards
• Part 2 Valves. Materials for bodies, bonnets and covers. Steels other than those specified in European Standards
• Part 3 Valves. Materials for bodies, bonnets and covers. Cast irons specified in European Standards
• Part 4 Valves. Materials for bodies, bonnets and covers. Copper alloys specified in European Standards