Std Port (in) 1/2” 3/4” 1” 1-1/4” 1-1/2” 2” L (mm/in) 127 5 155 6.13 210 8.25 229 9 229 9 235 9.25 H (mm/in) 94 3.69 116 4.57 147 5.75 176 6.94 176 6.94 195 7.625 P (mm/in) 11 0.44 13 0.5 18 0.69 23 0.88 26 1 35 1.38 Wt (kgs/lbs) 4.0 8.8 7.0 15.4 14.0 30.9 21.0 46.3 21.0 46.3 30.0 66.2 Typical Cv Factor 1.2 3.4 6.2 9.8 12.9 18.2 DIMENSIONS PISTON CHECK / BALL CHECK Std Port (in) 1/2” 3/4” 1” 1-1/4” 1-1/2” 2” L (mm/in) 127 5 155 6.13 210 8.25 229 9 229 9 235 9.25 H (mm/in) 94 3.69 116 4.57 147 5.75 176 6.94 176 6.94 195 7.625 P (mm/in) 11 0.44 13 0.5 18 0.69 23 0.88 26 1 35 1.38 Wt (kgs/lbs) 4.0 8.8 7.0 15.4 14.0 30.9 21.0 46.3 21.0 46.3 30.0 66.2 Typical Cv Factor 3.9 5.9 12.9 24.9 29.9 39.0 DIMENSIONS Y-PISTON CHECK Dimensions are indicative and vary according to standard, port design and body material. Refer to as-built drawing. Socket Weld Design Standard: ASME B16.11 Thread (NPT) Design Standard: ASME B1.20.1 Butt Weld Design Standard: ASME B16.25 65NB~150NB (2-1/2” ~ 6”) refer to drawing. 2690 Class refer to drawing. 65NB~150NB (2-1/2” ~ 6”) refer to drawing. 2690 Class refer to drawing. AUSTRALIAN PIPELINE VALVE 20 CHECK VALVES - SCREWED & WELD END SCREWED & WELD END CHECK VALVES SW, NPT, BW, CLASS 2500 STANDARD PORT