Pneumatic And Hydraulic Equipment Page 950

AREAS, FORCES, FLOWS (dimensions in inches) Piston Area Areas Force at 3000 psi 1) Flow at 4"/s 2) Bore Rod Ratio Piston Rod Annulus Push Regen. Pull Out Regen. In j A 1 A 2 A 3 F 1 F 2 F 3 q V1 q V2 q V3 in. in. A 1 /A 3 in. 2 in. 2 in. 2 Lb. gpm gpm gpm 5/8" 1.21 0.31 1.46 920 4390 .32 1.52 1-1/2" 1" 1.80 1.77 0.79 0.98 5,310 2370 2940 1.84 .82 1.02 1" 1.33 0.79 2.35 2370 7050 .82 2.44 2" 1-3/8" 1.89 3.14 1.48 1.66 9,420 4440 4980 3.26 1.54 1.72 1" 1.19 0.79 4.12 2370 12,360 .82 4.28 2-1/2" 1-3/8" 1.43 4.91 1.48 3.43 14,730 4440 10,290 5.10 1.54 3.56 1-3/4" 1.96 2.40 2.51 7200 7530 2.49 2.60 1-3/8" 1.21 1.48 6.82 4440 20,460 1.54 7.08 3-1/4" 1-3/4" 1.40 8.30 2.40 5.90 24,900 7,200 17,700 8.62 2.49 6.13 2" 1.60 3.14 5.16 9,420 15,480 3.26 5.36 1-3/4" 1.24 2.40 10.17 7,200 30,510 2.49 10.56 4" 2" 1.33 12.57 3.14 9.43 37,710 9,420 28,290 13.05 3.26 9.79 2-1/2" 1.64 4.91 7.66 14,730 22,980 5.10 7.95 2" 1.19 3.14 16.50 9420 49,500 3.26 17.14 2-1/2" 1.33 4.91 14.73 14,730 44,190 5.10 15.30 5" 3" 1.56 19.64 7.07 12.57 58,920 21,210 37,710 20.40 7.35 13.05 3-1/2" 1.96 9.62 10.02 28,860 30,060 9.99 10.41 2-1/2" 1.21 4.91 23.34 14,730 70,020 5.10 24.25 3" 1.33 7.07 21.18 21,210 63,540 7.35 22.00 6" 3-1/2" 1.51 28.25 9.62 18.63 84,750 28,860 55,890 29.35 9.99 19.36 4" 1.80 12.57 15.68 37,710 47,040 13.05 16.30 3" 1.22 7.07 31.42 21,210 94,260 7.35 32.65 3-1/2" 1.33 9.62 28.87 28,860 86,610 9.99 30.01 7" 4" 1.48 38.49 12.57 25.92 115,470 37,710 77,760 40.00 13.05 26.95 4-1/2" 1.70 15.91 22.58 47,730 67,740 16.53 23.46 5" 2.04 19.63 18.86 58,890 56,580 20.39 19.61 3-1/2" 1.23 9.62 40.65 28,860 121,950 9.99 42.23 4" 1.33 12.57 37.70 37,710 113,100 13.05 39.17 8" 4-1/2" 1.46 50.27 15.91 34.37 150,810 47,730 103,110 52.22 16.53 35.70 5" 1.64 19.63 30.64 58,890 91,920 20.39 31.83 5-1/2" 1.89 23.76 26.51 71,280 79,530 24.68 27.54 STROKE TOLERANCES Stroke tolerances result from the cylinder head, cylinder base, cylinder tube, piston and piston rod. The stroke tolerance for all piston diameters and stroke lengths is +1/16" / -0". Tighter stroke tolerances can be requested, however, details regarding the operating pressure and operating temperature must be stated. APPROXIMATE UNCRATED CDT4 HYDRAULIC CYLINDER WEIGHTS (lbs.)* Stroke Lengths Stroke Tolerances 120" +1/16" / -0" Cylinder Bore 1-1/2 2 2-1/2 3-1/4 4 5 6 7 8 Zero Stroke 7.5 10 16 31 41 73 138 180 310 Add Per Inch of Stroke .5 .7 1.17 1.75 2.5 4.0 5.2 6.2 8.7 *Weights based on standard (first) rod sizes. Add 10% to cover additional weight for crating. Note 1) Theoretical force (efficiency not taken into account) 2) Stroke velocity Rexroth hydraulics (314) 427-0600 800-444-0522 (FAX) 314-427-3502 www. j hf.com JHF Catalog [ Volume 7 ] 950 Prices Subject to Change Without Notice John Henry Foster pneumatic and hydraulic equipment

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