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Cylinder Speed Charts Cylinder Speed To determine: Cylinder plunger speed To determine: Best matching pump This chart will help you calculate the time required for an Enerpac cylinder to lift a load when powered by a 10,000 psi Enerpac hydraulic pump. An RC-308 cylinder (30 ton) is powered by a ZE-5 pump. While lifting the load, the cylinder plunger will require 3.2 seconds to travel 1 inch. While extending towards the load, the cylinder plunger travels at 0.47 sec/in. Your 30 ton cylinder needs to move a load at a speed of 6.50 sec/in. Simply go down from the top of the chart, to the value of 6.50 sec/in. Then follow the chart to the right to find that the ZE4 pump or ZU4 is most suitable for your application. The Cylinder Speed Chart can also be used to determine the pump type and model best suited for an application when you know the plunger speed required. ton 30 ton 50 ton 75 ton No No No oad Load Load Load Load Load Load 100 ton ton No Load Load Pump Type 20.6 9.7 9.7 15.5 7.7 5.2 2.6 1.5 5.2 0.67 13.0 1.2 1.8 1.9 1.0 0.65 0.47 0.44 0.73 0.38 26.0 12.2 12.2 19.5 9.7 6.5 3.2 1.9 6.5 0.84 22.1 2.0 3.0 3.3 1.7 1.1 0.80 0.74 1.2 0.65 44.2 31.8 63.6 20.7 2.9 29.8 20.7 4.3 29.8 33.1 4.8 47.7 16.6 2.5 23.9 11.0 1.6 15.9 5.5 1.2 8.0 3.3 1.1 4.8 11.0 1.8 15.9 1.4 0.94 2.1 41.3 3.8 5.6 6.2 3.2 2.1 1.5 1.4 2.3 1.2 82.5 38.7 38.7 61.9 30.9 20.6 10.3 6.2 20.6 2.7 20.6 3.2 26.0 5.5 44.2 63.6 10.3 82.5 XC Series ZC3 Series E-Series, E-Pulse PU Economy ZE3 Series ZE4 Series ZE5 Series ZE6 Series ZU4 Series 8000 Series, PE XA Series 8.0 30 ton Manual 93.8 34.4 34.2 93.8 34.2 34.4 34.2 17.8 100 ton No Load Load Pump Type 13.0 1.2 1.8 1.9 1.0 0.65 0.47 0.44 0.73 0.38 26.0 12.2 12.2 19.5 9.7 6.5 3.2 1.9 6.5 0.84 22.1 2.0 3.0 3.3 1.7 1.1 0.80 0.74 1.2 0.65 44.2 31.8 63.6 20.7 2.9 29.8 20.7 4.3 29.8 33.1 4.8 47.7 16.6 2.5 23.9 11.0 1.6 15.9 5.5 1.2 8.0 3.3 1.1 4.8 11.0 1.8 15.9 1.4 0.94 2.1 41.3 3.8 5.6 6.2 3.2 2.1 1.5 1.4 2.3 1.2 82.5 38.7 38.7 61.9 30.9 20.6 10.3 6.2 20.6 2.7 20.6 3.2 26.0 5.5 44.2 63.6 10.3 82.5 XC Series ZC3 Series E-Series, E-Pulse PU Economy ZE3 Series ZE4 Series ZE5 Series ZE6 Series ZU4 Series 8000 Series, PE XA Series 118.0 118.0 43.3 43.3 43.0 43.0 29.4 118.0 9.4 43.0 6.5 43.3 2.7 43.0 0.8 22.4 200.7 200.7 73.6 73.6 73.1 73.1 50.0 200.7 16.1 73.1 11.0 73.6 4.6 73.1 1.4 38.1 30 ton 50 ton 289.1 106.0 105.3 71.9 23.1 15.9 6.6 2.1 8.0 100 ton 75 ton No No No No No No No ▼ Power Source Load Load Load Load Load Load Load Load Load Load Load Load Load 93.8 34.4 34.2 23.3 7.5 5.2 2.2 0.7 75 ton No No No oad Load Load Load Load Load Load Number of Pump Handle Strokes per Inch of Cylinder Plunger Travel Cyl. Capacity ▶ 5 ton 15 ton 25 ton 10 ton 30 ton 50 ton 18.0 18.0 40.7 40.7 57.1 57.1 6.6 6.6 14.9 14.9 20.9 20.9 6.6 6.6 14.8 14.8 20.8 20.8 4.5 18.0 10.1 40.7 14.2 57.1 1.4 6.6 3.3 14.8 4.6 20.8 1.0 6.6 2.2 14.9 3.1 20.9 0.4 6.6 0.9 14.8 1.3 20.8 0.1 3.4 0.3 7.7 0.4 10.8 50 ton 20.6 9.7 9.7 15.5 7.7 5.2 2.6 1.5 5.2 0.67 Load No Load Load Pump Type 289.1 106.0 105.3 289.1 105.3 106.0 105.3 54.8 375.1 137.5 136.6 93.3 30.0 20.6 8.6 2.7 375.1 137.5 136.6 375.1 136.6 137.5 136.6 71.1 P141 87 P39 89 Page P391 87 P142/202 87 P392 87 P77/80/84/801 89 P802/842 87 P462/464 89 Pump Type Page Seconds per Inch of Cylinder Plunger Travel Cyl. Capacity ▶ ▼ Power Source 5 ton 10 ton 15 ton 75 ton 100 ton No No No No No No No Load Load Load Load Load Load Load Load Load Load Load Load Load Load 2.0 (speed based 0.18 on 60 Hz) 0.27 0.30 * XC based 0.15 on 28V 0.10 battery 0.07 0.07 0.11 0.06 0.05 Air 1.0 (at 100 psi air pressure) 1.2 0.09 0.07 0.08 Gasoline 0.15 0.07 Electric 4.0 1.9 1.9 3.0 1.5 1.0 0.50 0.30 1.0 0.13 4.0 5.9 7.4 6.6 0.74 0.59 0.59 0.30 4.5 0.41 0.61 0.67 0.35 0.22 0.16 0.15 0.25 0.13 1.1 2.2 2.7 0.21 0.16 0.19 0.34 0.15 9.0 4.2 4.2 6.7 3.4 2.2 1.12 0.67 2.2 0.29 9.0 13.4 16.8 14.9 1.7 1.3 1.3 0.67 6.3 0.57 0.86 0.94 0.49 0.31 0.23 0.21 0.35 0.19 1.6 3.1 3.8 0.29 0.22 0.27 0.47 0.21 No Load indicates the plunger speed as the plunger extends toward the load (1st stage). Load indicates the plunger speed as the load is lifted at a system pressure of 10,000 psi (2nd stage). Cylinder Plunger Speed (sec/in) 25 ton = 12.6 5.9 5.9 9.4 4.7 3.1 1.6 0.94 3.1 0.41 12.6 18.8 23.6 20.9 2.4 1.9 1.9 0.94 10.3 0.94 1.4 1.5 0.80 0.52 0.38 0.35 0.58 0.30 2.6 5.2 6.2 .48 .36 0.44 0.77 0.34 13.0 1.2 1.8 1.9 1.0 0.65 0.47 0.44 0.73 0.38 3.2 6.5 7.8 0.60 0.46 0.56 0.97 0.43 20.6 9.7 9.7 15.5 7.7 5.2 2.6 1.5 5.2 0.67 20.6 30.9 38.6 34.3 3.9 3.1 3.1 1.5 26.0 12.2 12.2 19.5 9.7 6.5 3.2 1.9 6.5 0.84 26.0 39.0 48.7 43.3 4.9 3.9 3.9 1.9 22.1 2.0 3.0 3.3 1.7 1.1 0.80 0.74 1.2 0.65 5.5 11.0 13.3 1.0 0.78 0.95 1.7 0.74 44.2 20.7 20.7 33.1 16.6 11.0 5.5 3.3 11.0 1.4 44.2 66.3 82.9 73.7 8.3 6.6 6.6 3.3 31.8 2.9 4.3 4.8 2.5 1.6 1.2 1.1 1.8 0.94 8.0 15.9 19.1 1.5 1.1 1.4 2.4 1.1 63.6 29.8 29.8 47.7 23.9 15.9 8.0 4.8 15.9 2.1 63.6 95.5 119.3 106.0 11.9 9.5 9.5 4.8 Formula V = A ÷ Q (in3/min) 2 V (sec/in) = A (in ) ÷ Q V = Cylinder plunger speed in seconds per inch A = Cylinder effective area in square inches Q = Pump oil flow in cubic inches Cylinder Effective Area Pump Flow Rate x No Load 41.3 3.8 5.6 6.2 3.2 2.1 Load 82.5 38.7 38.7 61.9 30.9 20.6 1.5 10.3 6.2 1.4 2.3 20.6 2.7 1.2 10.3 82.5 20.6 123.9 24.8 154.7 1.9 137.5 1.5 15.5 1.8 12.4 3.1 12.4 6.2 1.4 XC-Series 96-97 ZC3-Series 98-99 E-Series, E-Pulse 102-103 PU-Economy 100-101 ZE3-Series 112-115 ZE4-Series 112-115 ZE5-Series 112-115 ZE6-Series 112-115 ZU4-Series 106-111 8000-Series, PE 118-119 XA-Series 124-125 Turbo II Pump 122-123 PA133 120 PAM-Series 121 ZA4-Series 126-127 ZG5-Series, Briggs 128-129 ZG5-Series, Honda 128-129 ZG6-Series 130 Example: At what speed (V) will the RC308 (30 ton) cylinder move when powered by a ZE3 electric driven pump? RC308 Cylinder effective area A = 6.50 in2 ZE3 pump oil flow Q, (no load) is 450 in3/min V = 6.50 in2 ÷ 450 in3/min x 60 = 0.87 sec/in 60 sec 1 409
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