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Air spring systems for Industrial Applications

  • Technical Drawing
    Air Spring Air Spring
    Air Spring
    Spotted

    Use in dotted range >4.92 in. only after consultation with ContiTech

    Arrow

    Recommended height for vibration isolation: 4.33 in.

  • Technical data
    Min. pressure 0 psi
    Return force to min. height ≤ 45 lbf
    Overall weight 4.4 lb

    • Min. pressure 0 psi

      Return force to min. height ≤ 45 lbf

      Overall weight 4.4 lb

  • Vibration isolation - dynamic characteristic values
    Pressure p [psi] 40 60 80 100 120 Vol. V [in.³]
    Force (load) F [lbf] 801 1,240 1,700 2,130 2,530 110
    Spring rate c [lbf/in] 709 949 1,190 1,430 1,670 110
    Natural Frequency f0 [Hz] 2.9 2.8 2.7 2.6 2.6 110
    Design height H: recommended 4.33 inch, minimum 3.54 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. 730 1140 1580 1970 2370 110
    H 4.00 in. 905 1400 1940 2390 2820 100
    H 3.50 in. 1050 1610 2240 2740 3240 90
    H 3.00 in. 1170 1770 2450 3020 3570 75
    H 2.50 in. 1270 1900 2630 3260 3860 57

  • Purchase order data
    Type Air Inlet Order No.

    with crimped plates

    		3/4 NPT
    A = 0 in. excentrical     		75349

    CAD Data

    with crimped plates

    		1/4 NPT
    A = 0 in. excentrical     		75360

    CAD Data

    rubber bellows only

    		– 72994

    • Type

      Air Inlet 3/4 NPT_40lbft; 0in. excentrical

      Order No. 75349

    • Type

      Air Inlet 1/4 NPT_20lbft; 0in. excentrical

      Order No. 75360

    • Type

      Air Inlet –

      Order No. 72994

  • 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