B31.3 Piping Code
High strength materials for 4550 psig at 200 °F
10" nominal pipe diameter
We have a high pressure CO2 liquid injection line per the above. The recommended materials are API 5L X65 for pipe; MSS SP75 WPHY 65 for butt weld fittings; and A694 F65 for forgings (flanges and socket...
Piping Code: B31.3
Material: Incoloy 625
Fittings: B-366 UNS N06625
I am writing a piping specification for Incoloy 625 and am specifying the pipe wall thickness. There are allowable stresses for pipe B-444 UNS N06625 and forgings B-564 UNS N06625 (4" and smaller). I have not found any...
In general, are there guidelines for block valve sizing on the outlet of control valve stations? Specifically we have a desuperheating control valve station to take superheat out of a low pressure propane recycle line feeding a refrigeration compressor. The inlet to the control valve station...
Piping Code B31.3.
Material for butt weld fittings ASTM A-403 Gr WP 304.
Impact Testing Requirement at -325 °F Design Temp.
From reviewing the piping code for this material, it appears that for EFW fittings, the base metal will be exempt from impact test requirements. However, the welds for an...
