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want a substitue of B148 C95800 material for ball valves

want a substitue of B148 C95800 material for ball valves

want a substitue of B148 C95800 material for ball valves

(OP)
Dear all,

I am looking for a substitute for B148 C95800 material for side entry ball valves. is there any one who can assist me on this.
valve are 2" to 24"
body cover ball & stem-B148
spring -inconel X750
service condition-95 deg c
design pressure 16 BARG
firewater,closed drain,injection water etc or hazardous open & closed drains from crude oil system

RE: want a substitue of B148 C95800 material for ball valves

There are numerous substitutions you could make for aluminum bronze in water and you can get as many answers as there are people in this forum.  My personal choice would be a cast duplex stainless steel (i.e. CD4MCu) for an install and forget ball valve.  Very resistant to corrosion from water and petroleum processes, good wear resistance and easily weld repaired should that be necessary.

RE: want a substitue of B148 C95800 material for ball valves

Duplex stainless steel would be a good bet provided that the water and hydrocarbon compositions are amenable to it.  What quality of water is the firewater and is there any H2S in the hydrocarbon systems?

Steve Jones
Materials & Corrosion Engineer
http://www.linkedin.com/pub/8/83b/b04
 

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