Double Convoluted Air Spring

Bead Ring Style Air springs

YI-FD 2870-30-230

Force-Height-diagram

25.1 DIA

23.5 DIA

1.12 1.12 ) 8000 80
3 Recommended height for vibration isolation: 10.5 in 7000 70 Use in dotted range > 12.2 in only after consultation with Enidine
120 psi H H Volume [in_] Volume (in 6000 60
100 psi 60 psi40 psi Force (LBS x 1000) Force [LBS x 1000] MAX. 27.9 DIA

max. 27.9 DIA

5000 50 29.9 DIA

29.9 DIA

Installation space needed
80 psi

Installation space needed

Volume 4000 40 32 x 3/8-24 UNF

32 x 3/8-24 UNF 32 x 3/8-24 UNF

3000 30 2000 20
20 psi 1000 10

01000 2000 300040005000 600070008000

010 20 3040506070 80 34567891011121314 14 13 12 11 10 9 8 7 6 5 4 3 H
max= 14.0 Height H (in) H
min= 3.3

Purchase Order DataTechnical Data

TypePart Number Min. Pressure0 psi Return Force to min. height 157 lbsOverall weight with bead rings, bolts, nuts and washers34 lbs Bellows with bead rings, 1 7/8 bolts, nuts and washersRubber bellows only YI-FD 2870-30-230YR-FD 2870-30-912

Vibration Isolation - dynamic characteristic values

Design height H: recommended 10.5 in, minimum 9.6 in

Additional types on request

Pressure p (psi) 40 60 80 100 120 Vol. V (in ) Force (Load) (lbs) 16700 25050 33400 41750 50100 Spring Rate (lbs/in) 4058 5817 7420 8734 10452

Service Instruction:3/8-24 UNF = 28-32 FT-LBS

Natural Frequency (Hz) 1.5 1.5 1.5 1.4 1.4 4884

Pneumatic Application - static characteristic values

Force F (lbs)

Pressure p (psi) 20 40 60 80 100 120 Vol. (in)

12 7130 1427021400 28540 35670 42810 552110 8640 17290 25930 34570 43210 51860 46478 9640 19280 28930 38570 48210 57850 37026 10230 20460 30690 40920 51150 61370 26574 10590 21170 31760 42340 52930 63510 1549 Height H (in)

www.enidine.com Email: industrialsales@enidine.comTel.: 1-800-852-8508 ext. 111Fax: 1-716-662-0406

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