Cast Iron Valves Rating Tables

[nicorvp]

Hallo,
in the piping specification i am working with I have GGG40 valves. I have found that the corresponding ASTM is A395. Is it true? And where can I find rating tables?
Thanks for your help
Nico

 

[PAN]

Cast iron flange rating may be referred.

http://pump.net/otherdata/amstandciflange.htm