Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations JAE on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Flange torque specs?

Status
Not open for further replies.

jmilano

Industrial
Joined
Oct 20, 2011
Messages
1
Location
US
I am trying to find the recommended torque for cast iron flanges, 3" and 4" 150#, and 4" 300# flange. Can anyone point me in the right direction?
 
Are you sure they are cast iron, and not coarse-grained forged steel? Typically, 125# flanges are the only ones available in cast iron.
 
Duwe6 ...ADD 250#!!!

jmilano ...Not sure if it is clear, but 150# & 300# are ASME ratings for forged steel flanges ...as Duwe6 pointed out. 125# & 250# are cast iron ratings.
According to pg. 162 of my Tube-Turn Catalog 411
..."detailed flange calculations are made following the Rules for Bolted Flanged Connections in Section VIII (Unfired Pressure Vessels Code) of the ASME Boiler Construction Code"
 
Status
Not open for further replies.

Part and Inventory Search

Sponsor

Back
Top