Valve  standards:

• ISO 5211 sandard for selection of industrial valves actuator 
• Coparison list for common materials in different countries  
• ASTM Material Specifications 
• ASME Flange standards 
• DIN flange ends   

     Valve drawings:

• Butterfly  valve 
• Ballvalve
• Gatevalve
• Globevalve
• Checkvalve

For more CAD drawings,please contact us!