China Orifice Flange manufacturer DUWA produces Steel Flanges for Orifice plates , 8" 300# WN RF, Material A105.
Dimensions: ANSI B16.5, MSS SP 44, API.
Tolerances: ANSI B16.36, API, ASME, MSS SP 44
Purchase Order should specify need Flange or Pair of Flanges.
Flanges shall be complete with 4 hex head plugs (2 per flange) of the same material as the flanges. 2 jackscrews (for drilled flange),bolts,nuts and gaskets.