There is a basic gland ring supplied for MJ pipe joints that is not a restrained joint. It is designed to simply hold the gasket in place at the joint. There is also a gland ring for MJ pipe that has set screws in the gland which tightens down against the pipe to make it a restrained joint...
In a Stainless Steel line, is it neccessary to have cathodic protection between carbon steel to SS connections or SS to iron bodied valves.
I have tried to research on dissimilar metals but all I can find is info regarding galvanic materials to other metals. Is SS (304 or 316) and ductile Iron...