1. American Standard ANSI B16.5/API605,6A,6B/MSS SP44/AWWA C207
2. German Standard DIN2527/2528/2561/2565/2566/2573/2576
/2627/2630/2641/2642/2655/2656/2673/86029/86030
3. British Standard BS4504 PN16/PN40,BS10 TABLE E/TABLE D
4.Japan St ...Read More
