OTHER TYPE OF PIPE ELEMENT; ELEMENT TYPE: UNIVERSAL REDUCING UNION; NOMINAL DIAMETER: 20 ”; OUTER PIPE DIAMETER: 527 MM; NOMINAL THREAD DIAMETER: 500 MM; THREAD TYPE: PLAIN END; HOSE TYPE: IRON, STEEL; MATERIAL: IRON IN GJS-450-10; DIMENSION IS S/NORMA : BS EN 1092-1; SCHEDULE/CEDULA: 5.0; COUPLING FOR TRANSITIONS BETWEEN PIPES WITH DIFFERENT DIAMETERS: NOM INAL DIAMETER (20”). SMALL END: 492-509. LARGE END: 527-544. THE SEALING JOINTS WILL BE MADE OF EPDM, HARDNESS 65 SHORE ”A”. THE PERMITTED ANGULAR FLEXURE IS +- 6 DEGREES. TEST PRESSURE: 24 BAR. MAXIMUM WORKING PRESSURE: 16 BAR. CONSTRUCTION ACCORDING TO ANSI C2 19 STANDARD. MODEL: MAXISTEP. BRAND: VIKING JOHNSON. NOTE: PRESENT THE DOCUMENTATION, IDENTIFICATION AND PACKAGING IN ACCORDANCE WITH THE SPARE PARTS SUPPLY STANDARD: PRA-0SELO-001.; BRAND 1: VIKING JOHNSON; MODEL 1: MAXISTEP