Tuesday, March 15, 2011

[MW:10362] Which is better material for Seat / Control Valves / Sour Service

Dear Experts,
 
The Data sheet for Control Valve calls for Seat Material of Trim as Stellite 6 + ENP and Supplier is offering SS 316.
Whis is better - Is it Stellite 6 + ENP or SS 316?
 
Info: Service to be used is Sour Service.
Temperature : 60 Degree Centrigrade
Inlet Presure: Max. 0.5 bar g
Otlet Presure: Max. 0.3 bar g
 
Appreciate to see response ASAP.
 
Regards
VPV

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