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Air spring systems for Industrial Applications

  • Technical Drawing
    Air Spring Air Spring
    Air Spring
    Spotted

    Use in dotted range >5.94 in. only after consultation with ContiTech

    Arrow

    Recommended height for vibration isolation: 5.51 in.

  • Technical data
    Min. pressure 0 psi
    Return force to min. height ≤ 67 lbf
    Overall weight 9.5 lb

    • Min. pressure 0 psi

      Return force to min. height ≤ 67 lbf

      Overall weight 9.5 lb

  • Vibration isolation - dynamic characteristic values
    Pressure p [psi] 40 60 80 100 120 Vol. V [in.³]
    Force (load) F [lbf] 2,400 3,610 4,840 6,070 7,250 455
    Spring rate c [lbf/in] 1,390 1,960 2,560 3,190 3,750 455
    Natural Frequency f0 [Hz] 2.4 2.3 2.3 2.3 2.2 455
    Design height H: recommended 5.51 inch, minimum 4.72 inch

  • Pneumatic application - static characteristic values
    Force F [lbf]
    Pressure p [psi] 40 60 80 100 120 Vol. V [in.³]
    H 6.00 in. 2010 3020 4090 5180 6290 480
    H 5.50 in. 2350 3550 4800 6080 7330 450
    H 5.00 in. 2670 4060 5470 6870 8310 420
    H 4.50 in. 2970 4470 6020 7580 9110 390
    H 4.00 in. 3190 4840 6470 8160 9770 350
    H 3.50 in. 3360 5090 6830 8570 10300 300
    H 3.00 in. 3490 5270 7080 8880 10700 260

  • Purchase order data
    Type Air Inlet Order No.

    with crimped plates

    		3/4 NPT
    A = 2.87 in. excentrical     		74099

    CAD Data

    with crimped plates

    		1/4 NPT
    A = 2.87 in. excentrical     		75425

    CAD Data

    rubber bellows only

    		– 73771

    • Type

      Air Inlet 3/4 NPT_40lbft; 2.87in. excentrical

      Order No. 74099

    • Type

      Air Inlet 1/4 NPT_20lbft; 2.87in. excentrical

      Order No. 75425

    • Type

      Air Inlet –

      Order No. 73771

  • Service instructions
    Thread max. Torque
    3/8-16 UNC 20 lbf ft
    1/4 NPT 20 lbf ft
    3/4 NPT 40 lbf ft

    • 3/8-16 UNC 20 lbf ft

    • 1/4 NPT 20 lbf ft

    • 3/4 NPT 40 lbf ft