­­ FLANGED DIMENSIONS - REGULAR BORE* ANSI Class Size 1/2” 3/4” 1” 1-1/4” 1-1/2” 2” 150 A - Face to Face Piston or Ball mm in mm in mm in mm in mm in mm in 108.0 4.25 117.0 4.60 127.0 5.0 140.0 5.5 165.0 6.5 203.0 8.0 Swing Same as Piston or Ball Check Valve B - Centre to Top 46.0 1.81 56.0 2.2 65.5 2.58 74.6 2.94 74.6 2.94 100.5 4.0 D - Port Dia.* 9.5 0.38 12.5 0.5 18.5 0.73 23.5 0.93 30.5 1.20 36.0 1.41 Wt (kg/lb) 1.7 3.7 2.4 5.3 3.8 8.4 7.7 17.0 7.7 17.0 11.4 25.1 300 A - Face to Face Piston, Ball 152.0 60.0 178.0 7.0 203.0 8.0 216.0 8.5 229.0 9.0 267.0 10.5 Swing 140.0 5.5 152.0 6.0 165.0 6.5 229.0 9.0 241.0 9.5 267.0 10.5 B - Centre to Top 46.0 1.81 56.0 2.20 65.5 2.58 74.6 2.94 74.6 2.94 100.5 3.96 D - Port Dia.* 9.5 0.38 12.5 0.5 18.5 0.73 23.5 0.93 30.5 1.20 36.0 1.41 Wt (kg/lb) 2.2 4.9 3.3 7.3 5.1 11.2 9.9 21.8 9.9 21.8 12.9 28.4 600 A - Face to Face Piston, Ball 165.0 6.5 190.0 7.5 216.0 8.5 229.0 9.0 241.0 9.5 292.0 11.5 Swing Same as Piston and Ball Check Valve B - Centre to Top 46.0 1.81 56.0 2.20 65.5 2.58 74.6 2.94 74.6 2.94 100.5 2.96 D - Port Dia.* 9.5 0.38 12.5 0.5 18.5 0.73 23.5 0.93 30.5 1.20 36.0 1.41 Wt (kg/lb) 2.5 5.5 3.9 8.6 5.7 12.6 11.2 24.7 11.2 24.7 13.8 30.4 900/1500 A - Face to Face Piston, Ball 216.0 8.5 229.0 9.0 254.0 10.0 279.0 11.0 305.0 12.0 368.0 14.5 Swing Same as Piston or Ball Check Valve B - Centre to Top 62.0 2.44 68.1 2.68 84.6 3.33 100.5 3.96 102.0 4.02 124.6 4.91 D - Port Dia.* 9.5 0.38 12.5 0.5 18.5 0.73 23.5 0.93 30.5 1.20 36.0 1.41 Wt (kg/lb) 3.0 6.6 4.3 9.5 5.9 13.0 11.6 25.6 11.6 25.6 14.0 30.8 2500 (Pressure Seal Bonnet) A - Face to Face Piston, Ball 264.0 10.39 273.0 10.74 308.0 12.12 387.5 15.25 454.0 17.87 Swing Same as Piston or Ball Check Valve B - Centre to Top 128.0 5.03 130.0 5.11 152.0 5.98 188.0 7.40 190.0 7.48 D - Port Dia.* 12.5 0.49 12.5 0.49 18.0 0.71 29.0 1.14 35.0 1.37 Wt (kg/lb) 14.3 31.52 16.0 35.27 23.6 52.02 54.0 119.04 56.0 123.45 * Port diametre shown is for piston and ball check regular port. For swing and for full bore piston and ball check refer to drawing. CV FACTORS - LIFT CHECK* Class Size 1/2” 3/4” 1” 1-1/4” 1-1/2” 2” 150~800LB Typical Cv Factor 1.0 2.7 5.4 9.5 11.0 18.0 * Reduced Port CV FACTORS - SWING CHECK* Class Size 1/2” 3/4” 1” 1-1/4” 1-1/2” 2” 150~800LB Typical Cv Factor 6.0 11.3 26.3 63.0 78.0 115.0 * Reduced Port CV FACTORS - Y-PISTON CHECK* Class Size 1/2” 3/4” 1” 1-1/4” 1-1/2” 2” 150~800LB Typical Cv Factor 4.8 7.8 11.2 18.0 37.0 69.2 * Full Port AUSTRALIAN PIPELINE VALVE 35 CHECK VALVES - FLANGED INTEGRAL FLANGED CHECK VALVES