Mar 1, 2016 #1 kpm21443 Industrial Dec 20, 2012 56 0 0 KW Dear Friends, Please advise how can we determine the length of wrench for wrench operated butterfly valve 4 & 6 inches. It is class 150, short wafer, flangeless butterfly valve. Is there any standard which specifies the length of the wrench.
Dear Friends, Please advise how can we determine the length of wrench for wrench operated butterfly valve 4 & 6 inches. It is class 150, short wafer, flangeless butterfly valve. Is there any standard which specifies the length of the wrench.
