Bearing material
Bearing material
(OP)
Hi,
Currently designing a trunnion mounted ball valve for use on seawater. The trunnion locates in a blind hole in the bottom of the ball and is normally sleeved with a nylon bush. Due to the fact that this valve needs to be of a "fire safe" design (client is insistent on it!), i'm looking for an alternative bearing material that won't perish at 500 deg C +. The ball and trunnion are both aluminium bronze B148 C95800.
Thanks in advance.
Graham
Currently designing a trunnion mounted ball valve for use on seawater. The trunnion locates in a blind hole in the bottom of the ball and is normally sleeved with a nylon bush. Due to the fact that this valve needs to be of a "fire safe" design (client is insistent on it!), i'm looking for an alternative bearing material that won't perish at 500 deg C +. The ball and trunnion are both aluminium bronze B148 C95800.
Thanks in advance.
Graham





RE: Bearing material
I would give Ampco technical people a call as they have been in the business for a while.
I know of a Fero-TiC bushing being tried in similar service, so you might give these people a call.
http://www.ampcometal.com/row/index.htm
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RE: Bearing material