ROTARY JOINT BRAND PEARL ROTARY JOINT TYPE: RXS0678 SIZE 40A-20A AS PER DRAWING 3A11977 EXCLUDING POS.21-22-23. CONNECTIONS: FLANGE Ø 134MM THICKNESS 23MM WITH 4 HOLES Ø10.5MM // 90° REDUCTION GALVANIZED/BRONZE FROM 1"1/2 TO 3/4" _ (E.G. SERIAL NUMBERS 92493 AND 27720). COMPLETE JOINT READY FOR USE.