Style RIR - Windings w/inner ring
The Style RIR consists of inner and outer diameters reinforced with plies of metal windings without filler for improved stability, compression, and sealing. Filler material is used between the metal windings. The Style RIR also contains and integral compression limiter (inner ring) on the ID of the part. RIR parts are used with tongue and groove, male and female, or grooved to flat face flange assemblies. Heat Exchanger configurations are also available with a pass-barr/pass partition/or rib.
ASME 16.20 Flanges, ANSI B16.5 Flanges, ANSI BS 1650, Steam Service, Tongue & Groove Flanges, Heat Exchangers, Acid & Caustic Service, Gas Turbines, Refining, Chemical Processing, Plastics, Heat Transfer Fluids