I know there are a few forums out there which discuss B7 and B7M bolting, however they seem to be geared a little differently.
I am constructing new pipespecs for our plants to follow (lucky me) and am specifying that our Carbon Steel Bolted Bonnet Gate, Globe, and Check Valves have API Trim 12...
I am reviewing/redoing pipe specs for my plant and I am noticing some inconsistencies in their specs. For the cast 316 SS gate, globe, and check valve specs, API 603 is called for compliance. Some of the valves in the spec comply with B16.34 wall thickness and some comply with API 603 wall...