b'CHECK VALVES - SCREWED & WELD ENDSCREWED & WELD END CHECK VALVESSTANDARD PORT CLASS 1500DIMENSIONS PISTON CHECK / BALL CHECKStd Port (in) 1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2L (mm/in) 92 3.62 92 3.62 92 3.62 111 4.37 120 4.72 146 5.74 172 6.77 200 7.87H (mm/in) 56 2.2 56 2.2 56 2.2 78 3.07 84 3.30 100 3.94 118 4.64 138 5.43P (mm/in) 6.4 0.25 9.5 0.38 10 0.39 12.5 0.5 18.5 0.73 23.5 0.93 30.5 1.20 36.0 1.41Wt (kgs/lbs) 1.5 3.3 1.5 3.3 1.5 3.3 2.0 4.4 4.1 9 6.4 14.2 6.4 14.2 9.8 21.6Typical Cv Factor 0.7 1.0 1.2 3.4 6.2 13.9 14.9 18.265NB~150NB(2-1/2~6)refertodrawingDIMENSIONS SWING CHECKStd Port (in) 1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2L (mm/in) 92 3.62 92 3.62 92 3.62 111 4.37 120 4.72 146 5.74 140 5.51 178 7.0H (mm/in) 56 2.2 56 2.2 56 2.2 78 3.07 84 3.30 100 3.94 120 4.72 133 5.23P (mm/in) 6.4 0.25 9.5 0.38 10 0.39 13 0.51 17.5 0.69 23.5 0.93 30 1.18 36.0 1.41Wt (kgs/lbs) 1.5 3.3 1.5 3.3 1.5 3.3 2.0 4.4 4.1 9.0 6.4 14.2 6.4 14.2 9.8 21.6Typical Cv Factor 2.6 4.0 4.0 6.3 13.5 18.3 28.3 53.465NB~150NB(2-1/2~6)refertodrawingDIMENSIONS Y-PISTONStd Port (in) 1/4 3/8 1/2 3/4 1 1-1/4 1-1/2 2L (mm/in) 90 3.55 90 3.55 90 3.55 102 4.02 124 4.89 152 5.99 152 5.99 200 7.87H (mm/in) 77 3.0 77 3.0 77 3.0 80 3.15 111 4.4 138 5.4 138 5.4 178 7.0P (mm/in) 6.4 0.25 9.5 0.38 9.5 0.38 12.5 0.5 18.5 0.3 23.5 0.93 30.5 1.20 36.0 1.41Wt (kgs/lbs) 1.4 3.1 1.4 3.1 1.4 3.1 2.4 5.3 5.2 11.5 7.0 15.4 7.1 15.4 10.3 22.7Typical Cv Factor 3.5 3.8 5.0 12.5 18.5 24.9 29.5 36.065NB~150NB(2-1/2~6)refertodrawingDimensionsareindicativeandvaryaccordingtostandard,portdesignandbodymaterial.Refertoas-builtdrawing.AUSTRALIAN PIPELINE VALVE 19'