2" to 4" Crane Gate Valve I want to know if their is some tool to renew the angle seat for this type of valve ? If I have to replace all valves it's a mess because they have some isolation neoprene and aluminium cover on it Rick the first thing that i thought of was is he going to get them apart i never had luck doing it but it was on mostly heat lines Most 2" and under gate valves do not have replaceable seats, and to lap the seat or grind a new seat would change the dimensions face to face and the existing or a new gate would not seal properly. Most times it is more cost effective to replace in kind. If the gate is screwed in line then you will have some extra work if no allowance was made during construction for maintenance of this type. That's the first place a designer or client looks to shave cost on a project. They save same money today at the expense of higher maintenance costs and increased downtime in the future. Good value engineering principles were not applied or ignored.

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