Thanks all. From what's said here and other research, it's looks like I will be using a standard flanged DI body gate valve for waterworks applications, along with steel pipe with a flanged end and isolation gasket between the flanges. However, I'm still a bit concerned about field cutting the...
Rather than using DIP, the City is requiring that I use 12" epoxy coated welded steel pipe in one particular area of a project (variety of reasons) for a watermain relocation (public water supply main). There's a need for a gate valve on this welded steel pipe. My question is this: Are there...