Our lineup includes six types of formed bellows with a flange or fittings at both ends.
All can be used under the following pressure, temperature, and specific life conditions to obtain predetermined operating strokes.The overall length of the bellows offered as standard products can be set as desired within a range that can meet the bellows performance as you request. Please feel free to ask us.
* For delivery time and price, feel free to ask us using the standard product estimate request form.
Detailed information about KF, KP, and PF standard products.
How to select standard formed bellows
CAD drawing download (member registration required)
Pressure conditions | (Internal) vacuum (External) atmospheric pressure |
---|---|
Temperature conditions | 20°C (baking temp. max. 250°C) |
Leak rate | 1×10-7 Pa・m3/s or lesss |
Bellows material | SUS316L |
Flange material | SUS304 |
Flange shape | JIS B 2290 flange A: VG flange B: VF |
Repetition life | 10,000 repetitions |
Model | Bellows | Flange | Operating range of L |
Spring constant (N/mm) |
Effective area (cm2) |
Product drawing download |
|||||
---|---|---|---|---|---|---|---|---|---|---|---|
Inner diameter |
Outer diameter |
Length | Outer diameter |
Plate thickness |
PCD | Mounting hole |
|||||
Bi | Bo | ℓ | D | T | C | - | |||||
IF20 | 22.9 | 33.0 | 44 | 80 | 8 | 60 | 4-10 | 54~64 | 10.0 | 6.1 | 2D 3D |
IF25 | 28.6 | 40.0 | 49 | 90 | 8 | 70 | 4-10 | 57~70 | 8.4 | 9.2 | 2D 3D |
IF40 | 43.6 | 58.0 | 70 | 105 | 10 | 85 | 4-10 | 74~100 | 5.1 | 20.3 | 2D 3D |
IF50 | 50.1 | 65.0 | 85 | 120 | 10 | 100 | 4-10 | 85~118 | 5.0 | 26.0 | 2D 3D |
IF65 | 61.9 | 80.0 | 90 | 145 | 10 | 120 | 4-12 | 83~128 | 3.6 | 39.5 | 2D 3D |
IF80 | 77.6 | 95.0 | 86 | 160 | 12 | 135 | 4-12 | 89~124 | 6.0 | 58.5 | 2D 3D |
IF100 | 106.5 | 125.0 | 86 | 185 | 12 | 160 | 8-12 | 88~124 | 7.8 | 105.2 | 2D 3D |
IF125 | 134.7 | 153.0 | 76 | 210 | 12 | 185 | 8-12 | 82~112 | 11.7 | 162.5 | 2D 3D |
IF150 | 157.2 | 176.0 | 76 | 235 | 12 | 210 | 8-12 | 82~112 | 13.6 | 218.0 | 2D 3D |
IF200 | 199.8 | 230.0 | 93 | 300 | 16 | 270 | 8-15 | 98~144 | 33.2 | 362.7 | 2D 3D |
IF250 | 254.3 | 290.0 | 93 | 350 | 16 | 320 | 12-15 | 105~140 | 80.9 | 581.7 | 2D 3D |
IF300 | 306.0 | 340.0 | 118 | 400 | 16 | 370 | 12-15 | 130~162 | 92.9 | 819.4 | 2D 3D |
IF350 | 340.2 | 378.2 | 110 | 450 | 20 | 420 | 12-15 | 128~162 | 90.5 | 1013.4 | 2D 3D |
IF400 | 380.9 | 423.7 | 110 | 520 | 20 | 480 | 12-19 | 128~163 | 80.3 | 1271.1 | 2D 3D |
IF500 | 497.0 | 528.0 | 106 | 625 | 22 | 585 | 16-19 | 134~160 | 530.6 | 2062.9 | 2D 3D |
(Unit:mm)
* For drawings, right click and click the “Save File” button.
CAD drawing download (member registration required)
Pressure conditions | (Internal) vacuum (External) atmospheric pressure |
---|---|
Temperature conditions | 20°C (baking temp. max. 250°C) |
Leak rate | 1×10-9 Pa・m3/s or less |
Bellows material | SUS316L |
Flange material | SUS304L |
Flange shape | Standard type: Stationary at both ends with through holes Letter “K” suffix attached to model number: Stationary×rotating with through holes |
Repetition life | 10,000 repetitions |
Model | Bellows | Flange | Operating range of L |
Spring constant (N/mm) |
Effective area (cm2) |
Product drawing download |
|||||
---|---|---|---|---|---|---|---|---|---|---|---|
Inner diameter |
Outer diameter |
Length | Outer diameter |
Plate thickness |
PCD | Mounting hole |
|||||
Bi | Bo | ℓ | D | T | C | - | |||||
CF34 | 9.7 | 13.5 | 30.6 | 33.8 | 7.2 | 27.0 | 6-4.4 | 44~46 | 58.5 | 1.1 | 2D 3D |
CF34_K | 2D 3D |
||||||||||
CF70 | 30.2 | 41.0 | 54.6 | 69.3 | 12.7 | 58.7 | 6-6.8 | 72~88 | 9.1 | 10.0 | 2D 3D |
CF70_K | 2D 3D |
||||||||||
CF114 | 50.1 | 65.0 | 60.0 | 113.5 | 17.5 | 92.2 | 8-8.5 | 83~107 | 6.8 | 26.0 | 2D 3D |
CF114_K | 2D 3D |
||||||||||
CF152 | 90.1 | 107.0 | 65.4 | 151.6 | 19.8 | 130.3 | 16-8.5 | 92~118 | 9.7 | 76.3 | 2D 3D |
CF152_K | 2D 3D |
||||||||||
CF203 | 134.7 | 153.0 | 70.2 | 202.4 | 22.4 | 181.1 | 20-8.5 | 101~129 | 12.8 | 162.5 | 2D 3D |
CF203_K | 2D 3D |
||||||||||
CF253 | 180.0 | 208.0 | 80.8 | 253.2 | 24.6 | 231.9 | 24-8.5 | 114~146 | 42.5 | 295.6 | 2D 3D |
CF253_K | 2D 3D |
(Unit:mm)
* For drawings, right click and click the “Save File” button.
CAD drawing download (member registration required)
Pressure conditions | (Internal) vacuum (External) atmospheric pressure |
---|---|
Temperature conditions | 20°C (baking temp. max. 250°C) |
Leak rate | 1×10-9 Pa・m3/s or less |
Bellows material | SUS316L |
Flange material | SUS304L |
Flange shape | For conflat flange connection and end pipe connection |
Repetition life | 10,000 repetitions |
Model | Bellows | Flange | Operating range of L |
Spring constant (N/mm) |
Effective area (cm2) |
Product drawing download |
||||
---|---|---|---|---|---|---|---|---|---|---|
Inner diameter |
Outer diameter |
Length | Outer diameter |
Plate thickness |
Mounting hole |
|||||
Bi | Bo | ℓ | D | T | LY | |||||
IC18A | 12.9 | 19 | 50 | 18.0 | 1.0 | 10 | 67~72 | 17.0 | 2.0 | 2D 3D |
IC18B | 100 | 114~124 | 8.6 | 2D 3D |
||||||
IC25A | 17.4 | 26 | 50 | 25.4 | 1.5 | 10 | 65~73 | 9.2 | 3.7 | 2D 3D |
IC25B | 100 | 110~126 | 4.7 | 2D 3D |
||||||
IC32A | 22.9 | 33 | 50 | 31.8 | 1.5 | 10 | 64~74 | 9.4 | 6.1 | 2D 3D |
IC32B | 100 | 108~128 | 4.8 | 2D 3D |
||||||
IC40A | 30.2 | 42 | 50 | 38.1 | 1.5 | 10 | 63~74 | 7.7 | 10.2 | 2D 3D |
IC40B | 100 | 105~130 | 3.9 | 3D 3D |
||||||
IC65A | 50.1 | 65 | 50 | 63.5 | 2.0 | 15 | 67~88 | 8.1 | 26.0 | 2D 3D |
IC65B | 100 | 108~144 | 4.3 | 2D 3D |
||||||
IC100A | 90.1 | 109 | 50 | 101.6 | 2.0 | 15 | 64~90 | 9.3 | 77.8 | 2D 3D |
IC100B | 100 | 102~148 | 5.0 | 2D 3D |
||||||
IC150A | 134.7 | 153 | 50 | 152.4 | 3.0 | 20 | 77~98 | 17.1 | 162.5 | 2D 3D |
IC150B | 100 | 115~156 | 9.0 | 2D 3D |
||||||
IC200A | 180.0 | 213 | 45 | 203.2 | 3.0 | 30 | 86~117 | 47.1 | 303.3 | 2D 3D |
IC200B | 90 | 112~175 | 24.1 | 2D 3D |
(Unit:mm)
* For drawings, right click and click the “Save File” button.