F358 ∅ a b 2480.00.70.075.0170 0,25 75 170 2480.00.70.075.0250 0,50 75 250 2480.00.70.075.0410 1,0 75 410 2480.00.70.095.0300 1,0 95 300 2480.00.70.095.0500 2,0 95 500 2480.00.70.095.0700 3,0 95 700 2480.00.70.095.0900 4,0 95 900 2480.00.70.120.0360 2,0 120 360 2480.00.70.120.0615 4,0 120 615 2480.00.70.120.1125 8,0 120 1125 .00500 0,031 .00750 0,049 .01500 0,102 .03000 0,196 .05000 0,332 .07500 0,503 .10000 0,709 Description: The pressure reservoir and its base plates are manufactured from the same high grade steel as FIBRO gas springs. The advantage of including a pressure reservoir in the system is that in operation the gas pressure rises to a lesser extent. Apart from the purely technical pressure factors, a reduced pressure rise is beneficial to the service life of the system. Function: The pressure reservoir has two or four mounting holes with G1/4 “ at both sides, which are designed for connection to the control fitting or gas spring. Note: If a pressure reservoir is to be installed, we recommend the 24°-cone-system, which ensures that the gas flow is not inhibited. Mounting clamps should be ordered separately. At least 2 are required for each pressure reservoir, see following pages. . . . PRESSURE RESERVOIR FOR REDUCED PRESSURE RISE 2480.00.70. Pressure accumulator Order No. Volume in l [litres] Ordering Code (example): Pressure accumulator = 2480.00.70. øa = 75 mm = 075. b = 170 mm = 0170 Order No. = 2480.00.70.075.0170 Gas spring size/daN Piston rod surface/dm2 Calculating the isothermic increase in pressure* (*by approximation) Pressure build-up = Va [l] Volume of pressure reservoir, see table Vg 1) [l] Gas volume of gas springs, corresponding spring type 1) Note: For the design, gas volume of the spring type, please contact FIBRO! Stroke [dm] Stroke length of gas springs, corresponding to spring type A [dm2] Piston surface of gas springs, see table n Number of gas springs Calculation example: 10 gas springs, type 2480.13.05000.050 with a travel of 50 mm (0,5 dm) are connected to a system with an 8 litres pressure reservoir. Pressure build-up = = 1,145 Va +(n3Vg 1)) Va +(n3(Vg 1)–Hub3A)) 8 l + (1030,51 l) 8 l + (103(0,51 l – 0,5 dm3 0,332 dm2))
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