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ANSI 600# Rated Lined Valve?

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mreee

Industrial
Joined
Nov 13, 2008
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Location
US
Are there any valve manufactureres out there that offer a 600# ANSI rated (@500-550F) lined valve? Or am I going to have to go the alloy route?
 
I'll vote for Alloys. Bonding a fluorocarbon liner to a valve is not the most structurally efficient construction. Having it stay bonded at Class 600 limits is a real trick.

You MIGHT find a vendor who will offer a class 300 valve with class 600 connections.
 

What is the application? Could other types of surface protection / applied coatings be utilized? Enamel? Others?

 
500-550F is at or past the temp limit for most fluoro-resins. At this pressure I would be concerned that a glass-lined valve would stretch enough to put fractures into the lining.

Spend the money for alloys..It's worth the difference to be able to sleep at night.
 
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