Bell & Gossett flange gasket set for B&G Series 1 pumps manufactured between January 1951 and June 1976.Used On:BG_102XX11 IN Booster IB (JAN 51-JUNE 76)BG_102XX21 IN Booster BI (JAN 51-JUNE 76)BG_102XX31 IN Booster AB (JAN 51-JUNE 76)Replaces Bell & Gossett P3-418
| Construction type | Arm |
| Datum diameter | 15.6000 in, 396.24 mm |
| I.D. | 1/2 to 2 11/16 in |
| Material | Cast iron |
| Number of grooves | 3.0000 |
| O.D. (in) | 16.35, O.D. (in):16.3500 , 415.29 mm |