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Air spring systems for Industrial Applications

  • Technical Drawing
    Air Spring Air Spring
    Air Spring
    Spotted

    Use in dotted range >4.53 in. only after consultation with ContiTech

    Arrow

    Recommended height for vibration isolation: 3.94 in.

  • Technical data
    Min. pressure 0 psi
    Return force to min. height ≤ 45 lbf
    Overall weight 2.6 lb

    • Min. pressure 0 psi

      Return force to min. height ≤ 45 lbf

      Overall weight 2.6 lb

  • Vibration isolation - dynamic characteristic values
    Pressure p [psi] 40 60 80 100 120 Vol. V [in.³]
    Force (load) F [lbf] 567 871 1,180 1,490 1,800 65
    Spring rate c [lbf/in] 545 726 904 1,080 1,260 65
    Natural Frequency f0 [Hz] 3.0 2.9 2.8 2.7 2.6 65
    Design height H: recommended 3.94 inch, minimum 2.76 inch

  • Pneumatic application - static characteristic values
    Force F [lbf]
    Pressure p [psi] 40 60 80 100 120 Vol. V [in.³]
    H 4.50 in. 423 679 945 1230 1520 73
    H 4.00 in. 553 852 1160 1480 1810 65
    H 3.50 in. 652 983 1320 1670 2040 57
    H 3.00 in. 724 1080 1450 1820 2210 47

  • Purchase order data
    Type Air Inlet Order No.

    with crimped plates

    		3/4 NPT
    A = 0 in. excentrical     		77090

    with crimped plates

    		1/4 NPT
    A = 0 in. excentrical     		77069

    CAD Data

    rubber bellows only

    		– on request

    • Type

      Air Inlet 3/4 NPT_40lbft; 0in. excentrical

      Order No. 77090

    • Type

      Air Inlet 1/4 NPT_20lbft; 0in. excentrical

      Order No. 77069

    • Type

      Air Inlet –

      Order No. on request

  • 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