Light Free Bellows®

FEATURES

  • Formed bellows in ultra-thin material, coming out of our original technology
  • Durability performance : About 10times as long as conventional bellows(calculated value)
  • Spring rate : About 1/5 as low as conventional bellows(calculated value)

STANDARD SPECIFICATIONS

Hose material SUS316L
Braid material SUS304
Wire braid From 8A

REMARKS

  • Do not apply pressure to this bellows.
  • Flanges of other specifications and special fittings can be available
  • Bellows having length not shown in the L column can be fabricated.
  • The specifications are subject to change for product improvement without prior notice.

STANDARD DIMENSIONS

(Unit:mm)
Nominaldiameter(A) Jointstandard Model No. I.D. O.D. t n(Convolutions) D T P.C.D N-H G1 G2 S L
100 VG100/VF100 ORV-100B-LF-9 103.0 127.0 0.2 21 185 12 160 8-12 120 130 3 90
125 VG125/VF125 ORV-125B-LF-9 125.0 151.0 0.2 19 210 12 185 8-12 150 160 3 90
150 VG150/VF150 ORV-150B-LF-9 149.0 175.0 0.2 18 235 12 210 8-12 175 185 3 90
200 VG200/VF200 ORV-200B-LF-10 204.0 230.0 0.2 18 300 16 270 8-15 225 241 4.5 100
250 VG250/VF250 ORV-250B-LF-12 251.5 284.0 0.2 20 350 16 320 12-15 275 291 4.5 120
300 VG300/VF300 ORV-300B-LF-12 302.5 335.0 0.2 20 400 16 370 12-15 325 341 4.5 120
t is the bellows wall thickness.

PERFORMANCE TABLE

Normaldiameter(A) Jointstandard Model No. Displacement(mm) Spring rate(N/mm)
Axial direction Lateral direction Axial direction Lateral direction
100 VG100/VF100 ORV-100B-LF-9 ±20 5 6.2 25.7
125 VG125/VF125 ORV-125B-LF-9 ±20 5 6.6 40.0
150 VG150/VF150 ORV-150B-LF-9 ±20 4 8.3 73.1
200 VG200/VF200 ORV-200B-LF-10 ±20 3 11.3 170.2
250 VG250/VF250 ORV-250B-LF-12 ±30 4 6.5 85.3
300 VG300/VF300 ORV-300B-LF-12 ±30 3 7.8 145.4
The displacement values in each of the axial direction and lateral direction are shown.