Page 5 - Catalog RSBV
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                  Part      Description     Material (General)    Material (NACE-MR0175)      Material (Stainless Steel)


                   1           Body         ASTM A216 Gr. WCC       ASTM A216 Gr. WCC          ASTM A351 Gr.CF8M


                   2          Bonnet        ASTM A216 Gr. WCC       ASTM A216 Gr. WCC          ASTM A351 Gr.CF8M


                   3           Stem               8620                 Monel K-500                 Monel K-500


                   4           Core         ASTM A216 Gr. WCC       ASTM A216 Gr. WCC          ASTM A351 Gr.CF8M

                   5         Core Face           Nickel                   Nickel                     Nickel


                   6      Bonnet Bushing         416 SS                   400 SS                     400 SS


                   7      Trunnion Bushing      17-4PH SS                17-4PH SS                   660 SS


                   8         Seat Ring          17-4PH SS                17-4PH SS                   410 SS
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