About 8,000 types of vacuum components in stock at all times.Business Hours： 9:00-18:00, excluding weekends and holidays

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Shipping accepted on the day on orders until 17:00
(Hours 9:00 to 18:00 except Saturdays, Sundays, and holidays)
  1. Cosmotec for Vacuum Components
  2. Vacuum Component
  3. ISO standard
  4. Flexible Tubing/Bellows
  5. Standard Conversion Bellows
  1. Cosmotec for Vacuum Components
  2. Vacuum Component
  3. Flexible Tube/Bellows/Exhaust Hose
  4. Bellows
  5. Standard Conversion Bellows

Standard Conversion Bellows

Standard Conversion Bellows

▼Conversion Bellows
Bellows with different diameter or type of flanges on each ends.
It is possible to connect directly from an existing port of a pump without using conversion joints.
Used for dimensional adjustment of piping in the longitudinal direction and for vibration absorption.
It cannot be bent in the short direction.
Standard specifications: inside: vacuum, outside: atmospheric
Flanges : ICF, NW/KF, JIS-VF, JIS-VG, ISO®-K

▼The following types of bellows are standardized (List)
Flange: Pipe end, ICF, NW/KF, JIS-VF, JIS-VG
Material: SUS, Teflon (NW only)
*Flexible tubes are here.

▼Others
We can also change lengths, fittings, and flange sizes. Please contact us by clicking the "Inquiry" button on the right side of the page.

For precision cleaning requests, please click here.

see next
Basic Information
Flange material SUS304（NW only SUS316)
Flexible / bellows SUS 316L
life cycle 10000 cycle
Bellows plate thickness 0.15
Maximum temperature 450℃
The lowest temperature -196℃
RoHS2 corresponding ○
Inquiry for this subcategory

We have 59 type candidate

※ Please click on the product code or model for more information.

front.product.product_code
Model
 NW/KF ICF VF VG ISO-K L Operating range Spring constant (N / mm)
Stock & Delivery
front.product.price
front.product.tax_included2
25461
ZICF70/34FB65
- 70 / 34 - - - 65 62.3～67.7 60.5
24227
NW25/16FB53
25 / 16 - - - - 53 66.3～71.7 60.5
24228
NW40/16FB53
40 / 16 - - - - 53 63.7～66.3 60.5
24229
NW40/25FB54
40 / 25 - - - - 54 63.3～68.7 47.8
24230
NW50/25FB55
50 / 25 - - - - 55 62.3～67.7 47.8
24231
NW50/40FB55
50 / 40 - - - - 55 62.3～67.7 26.2
24232
ICF70/34FB65
- 70 / 34 - - - 65 62.3～67.7 60.5
24233
ICF114/70FB63
- 114 / 70 - - - 63 62.2～67.8 26.2
24234
ICF152/70FB65
- 152 / 70 - - - 65 61.7～64.3 26.2
24235
ICF152/114FB69
- 152 / 114 - - - 69 61.7～64.3 31.8
24236
ICF34NW16FB63
16 34 - - - 63 60.2～65.8 60.5
24237
ICF34NW25FB63
25 34 - - - 63 59.4～62.6 60.5
24238
ICF70NW16FB55
16 70 - - - 55 59.3～64.7 60.5
24239
ICF70NW25FB56
25 70 - - - 56 59.2～64.8 47.8
24240
ICF70NW40FB57
40 70 - - - 57 58.4～61.6 26.2
24241
ICF114NW25FB60
25 114 - - - 60 58.3～63.7 47.8
24242
ICF114NW40FB61
40 114 - - - 61 58.2～63.8 26.2
24243
ICF114NW50FB61
50 114 - - - 61 58.2～63.8 31.8
24244
ICF152NW25FB61
25 152 - - - 61 58.2～63.8 47.8
24245
ICF152NW40FB62
40 152 - - - 62 58.2～63.8 26.2
24246
ICF152NW50FB62
50 152 - - - 62 56.2～61.8 31.8
24247
NW25VF20FB54
25 - 20 - - 54 56.2～61.8 47.8
24248
NW25VF25FB54
25 - 25 - - 54 55.4～58.6 47.8
24249
NW25VF40FB55
25 - 40 - - 55 55.4～58.6 47.8
24250
NW25VF50FB55
25 - 50 - - 55 55.4～58.6 47.8
24251
NW40VF25FB55
40 - 25 - - 55 55.4～58.6 47.8
24252
NW40VF40FB56
40 - 40 - - 56 55.4～58.6 26.2
24253
NW40VF50FB56
40 - 50 - - 56 55.3～60.7 26.2
24254
NW50VF40FB57
50 - 40 - - 57 55.3～60.7 26.2
24255
NW50VF50FB56
50 - 50 - - 56 55.2～60.8 31.8
24256
NW25VG20FB54
25 - - 20 - 54 55.2～60.8 47.8
24257
NW25VG25FB54
25 - - 25 - 54 55.2～60.8 47.8
24258
NW25VG40FB55
25 - - 40 - 55 54.4～57.6 47.8
24259
NW25VG50FB55
25 - - 50 - 55 54.2～59.8 47.8
24260
NW40VG25FB55
40 - - 25 - 55 54.2～59.8 47.8
24261
NW40VG40FB56
40 - - 40 - 56 54.2～59.8 26.2
24262
NW40VG50FB56
40 - - 50 - 56 53.7～56.3 26.2
24263
NW50VG40FB57
50 - - 40 - 57 53.4～56.6 26.2
24264
NW50VG50FB56
50 - - 50 - 56 53.4～56.6 31.8
24265
ICF70VF25FB57
- 70 25 - - 57 53.4～56.6 47.8
24266
ICF70VF40FB59
- 70 40 - - 59 53.4～56.6 26.2
24267
ICF70VG25FB57
- 70 25 - - 57 53.4～56.6 47.8
24268
ICF70VG40FB59
- 70 40 - - 59 53.4～56.6 26.2
24269
ISOK63NW25FB57
25 - - - 63 57 53.4～56.6 47.8
24270
ISOK63NW40FB58
40 - - - 63 58 53.3～58.7 26.2
24271
ISOK63NW50FB58
50 - - - 63 58 53.3～58.7 31.8
24272
ISOK80NW25FB57
25 - - - 80 57 53.2～58.8 47.8
24273
ISOK80NW40FB58
40 - - - 80 58 53.2～58.8 26.2
24274
ISOK100NW25FB57
25 - - - 100 57 53.2～58.8 47.8
24275
ISOK100NW40FB58
40 - - - 100 58 53.2～58.8 26.2
24276
ISOK100NW50FB58
50 - - - 100 58 52.4～55.6 31.8
24277
ISOK63ICF70FB
- 70 - - 63 61 52.4～55.6 26.2
24278
ISOK63ICF114FB
- 114 - - 63 65 52.4～55.6 31.8
24279
ISOK63ICF152FB
- 152 - - 63 66 52.4～55.6 31.8
24280
ISOK80ICF70FB
- 70 - - 80 61 52.4～55.6 26.2
24281
ISOK80ICF114FB
- 114 - - 80 65 52.2～57.8 31.8
24282
ISOK100ICF70FB
- 70 - - 100 61 51.7～54.3 26.2
24283
ISOK100ICF114FB
- 114 - - 100 65 51.7～54.3 31.8
24284
ISOK100ICF152FB
- 152 - - 100 123 119.5～126.5 41.1
NW/KF ICF VF VG ISO-K L Operating range Spring constant (N / mm)
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Shipping accepted on the day on orders until 17:00 Hours 9:00 to 18:00 except Saturdays, Sundays, and holidays
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