Retain Ring - Flange Connection Procedure

The retain ring flange connection consists of machined pipe, retain ring flanges, retain rings, ‘o’ ring seal retainer and bolting hardware.

Step 1: Pipe supplied with butt end machined along with an annular groove on the outside diameter.	Step 2: Slip flange onto the pipe.
Step 3: Retain ring is sprung over the pipe’s outside diameter nesting in the annular groove.	Step 4: Select the correct 'o' ring seal retainer style (reference pages C4 -C5). The 'o' ring provides a seal against the butt end of the pipe.
Step 5: Select the required bolting hardware from Section R of this catalogue. Carefully place the ‘o’ ring seal retainer in between the pipe ends. Slide the flanges forward and the ‘o’ ring seal retainer becomes captive within the flanges.	Step 6: Tighten bolts to the torque values specified. Always tighten bolts in a cross-over sequence and ensure that the flanges are parallel.