Bolted Bonnet No. Part Name 1 Body 2 Disc 3 Gasket 4 Cover 5 Cover Bolt 6 Name Plate 7 Ball 8 Seat Ring 9 Disc 10 Retaining Ring 11 Hinge 12 Hinge Pin 13 Support A = Face to Face B = Centre to top D = Port Diameter A B Butt Weld: ASME B16.25 Refer to drawing. MATERIALS DESIGN FEATURES • Bolted, welded and pressure seal bonnet. • Integral flanged. • Regular port and full port. • Flanged to ANSI B16.5. • Other flanging available. • Alternative trim materials available. • Spring can be fitted for vertical service to ball and piston type. Swing check Ball check AUSTRALIAN PIPELINE VALVE 34 CHECK VALVES - FLANGED INTEGRAL FLANGED CHECK VALVES BOLTED, WELDED & PRESSURE SEAL COVER CLASS 150 TO 2500 STANDARDS • Construction - API602, BS5352 & ANSI/ASME B16.34 • End Connections - Socket Weld : ANSI/ASME B16.11 Thread : ANSI/ASME B1.20.1 Butt Weld : ANSI/ASME B16.25 Flanged : ANSI/ASME B16.5 • Inspection & Test - API 598