CIP-Series Raised-Lip Sanitary Union Seal Ring

A CIP-series sanitary union seal ring featuring a rounded outer bead and stepped inner lip for mating union sealing grooves. Listed across 25 to 152 mm nominal sizes with EPDM, silicone, FKM, and NBR elastomer options.

Mating Interface	CIP-series sanitary pipe union groove
Seal Profile	Raised-lip / stepped inner lip with rounded outer bead (table prints Type: Flat-faced)
Material Options	EPDM / Silicone / FKM / NBR
Size Range	25~152 mm
Ring geometry	Lipped annular CIP union seal ring

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Raised-Lip Seal Geometry for CIP Unions

The primary product photographs for this CIP union seal show a profiled ring combining a rounded outer bead with a stepped inner lip designed to index into a matching CIP union recess. When compressed between the union male end and liner, the stepped lip aligns the bore transition along the pipeline.

Elastomer Compound Options

While the series specification heading names an EPDM Seal For CIP Union, both the header specification list and the parameter table list four available elastomer families: EPDM, Silicone, FKM, and NBR. Buyers should specify the required elastomer compound explicitly when ordering rather than relying on the series title alone.

25–152 mm Nominal Size Range

The series covers nominal tube sizes from 25 mm through 152 mm. No per-size dimensional chart is published in the series documentation, and it is not established that every size from 25 to 152 mm is stocked in all four compounds, so exact groove dimensions and size-compound availability require order-level confirmation.

Distinction from Flat-Faced Washer Profiles

The series parameter table lists 'Type: Flat-faced' and includes one secondary photograph of a flat BSM-style washer alongside the primary raised-lip CIP ring views. That flat washer profile is treated as a separate construction and is not merged with the raised-lip CIP seal ring; verify the mating union groove geometry before selection.