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9000# pressure rating

9000# pressure rating

9000# pressure rating

(OP)
Hi

The job I am working on , specifications says tube fittings shall be rated for 9000#. I tried to find out 9000# rating corresponds to what pressure in psig/bar. Is there any standard for this where I can find the Table? Thanks.

RE: 9000# pressure rating

Ask the writer, may be lazy and not put in "per sq inch", may be the writer want's to put a side load on the fittings.

RE: 9000# pressure rating

See http://www.eng-tips.com/viewthread.cfm?qid=233602

9000# is ometimes referred to as 9000 lb, but officially is class 9000 according to ASME B 16.11.

As such it is a class rating, and depends on temeprature and material to get a psi rating, wall thickness etc. It is basically that in psi at temperature below 38C, so 9000 psig (620 bar).

It is a pretty high pressure rating - I've normally only come accross 3000 and occasionally 6000.

My motto: Learn something new every day

Also: There's usually a good reason why everyone does it that way

RE: 9000# pressure rating

(OP)
Thanks LittleInch. Got the answer. Actually these fittings are for Well Head Hydraulic System.

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