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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Welded Bellows | | | | | | | | | | Material 316L For higher operating temperatures | up to 500.000 load alternation | not magnetic | extremely corrosion-resistant | | | | | | | | | | | | | | | | | | | | | | | | | | Metal | Fe | C | Si | Mn | P | S | Cr | Mo | Ni | N | | | | [%] | Res.Bal. | <0.03 | <1.0 | <2.0 | <0.045 | <0.03 | 16.0-18.0 | 2.0-3.0 | 10.0-14.0 | | | | | | | | | | | | | | | | | | | | | | | Analysis | | | | | | | | | | | | | | | | | | | | | | | | | | | Characteristics | Rp 0.2 [N/mm2] | Rm [N/mm2] | E-Module [N/mm2] | Density [kg/dm3] | Temp. [°C] | Permeab. [pr] | | | | | | 300 | 600 | 200 000 | 8.0 | -250/+350 | 1.0031.005 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Inside diameter | Outside diameter | Compressed bellows length | Free bellows length | Axial stroke | | Wall thickness of membarnes | Profiel width | Effective area | Spring constant (axial direction) | Bending angle | Bending radius | Status | | | | DN | ID | OD | lc | lf | z | Gr. | t | b | EA | SRCz | phi | R | | | | | 63 | 65 | 90 | 0,50 | 2,40 | 2,80 | 4 | 0,15 | 12,50 | 49,00 | 95,00 | 1,78 | 61,10 | | | | | 70 | 94 | 0,55 | 2,35 | 2,65 | 4 | 0,15 | 12,00 | 54,70 | 95,00 | 1,62 | 66,50 | | | | | 75 | 100 | 0,60 | 2,40 | 2,90 | 4 | 0,15 | 12,50 | 62,20 | 95,00 | 1,66 | 70,70 | | | | | 77,5 | 120 | 0,75 | 3,50 | 3,60 | 5 | 0,20 | 21,25 | 81,20 | 85,00 | 1,72 | 85,00 | | | | | 80 | 108 | 0,55 | 2,25 | 2,50 | 5 | 0,15 | 14,00 | 71,90 | 80,00 | 1,33 | 77,80 | rev. | | | | 82 | 125 | 0,75 | 3,70 | 3,30 | 5 | 0,20 | 21,50 | 88,90 | 100,00 | 1,51 | 90,90 | | | | | 90 | 120 | 0,60 | 2,80 | 2,80 | 5 | 0,15 | 15,00 | 89,50 | 70,00 | 1,34 | 85,70 | | | | | 90 | 110 | 0,50 | 1,45 | 1,40 | 5 | 0,15 | 10,00 | 80,40 | 145,00 | 0,73 | 94,30 | | | | | 90,5 | 135 | 0,70 | 4,20 | 4,20 | 5 | 0,20 | 22,25 | 105,10 | 80,00 | 1,78 | 90,00 | | | | | 92 | 149 | 0,85 | 4,75 | 4,60 | 6 | 0,25 | 29,00 | 122,00 | 95,00 | 1,77 | 102,00 | new | | | | 100 | 102 | 132 | 0,60 | 2,60 | 3,10 | 5 | 0,15 | 15,00 | 110,70 | 75,00 | 1,35 | 91,60 | | | | | 102,5 | 150 | 0,90 | 4,40 | 4,60 | 5 | 0,25 | 23,75 | 131,40 | 135,00 | 1,76 | 104,40 | | | | | 110 | 160 | 0,80 | 4,25 | 3,00 | 5 | 0,20 | 25,00 | 150,00 | 40,00 | 1,07 | 122,70 | | | | | 115 | 145 | 0,55 | 2,50 | 3,10 | 5 | 0,15 | 15,00 | 136,30 | 75,00 | 1,22 | 98,20 | new | | | | 127 | 157 | 0,70 | 2,60 | 3,20 | 5 | 0,20 | 15,00 | 162,30 | 100,00 | 1,17 | 112,80 | | | | | 160 | 150 | 185 | 0,75 | 2,60 | 3,40 | 5 | 0,20 | 17,50 | 225,70 | 140,00 | 1,05 | 133,30 | | | | | 156 | 186 | 0,75 | 2,60 | 3,30 | 5 | 0,20 | 15,00 | 234,50 | 200,00 | 1,02 | 135,30 | | | | | 160 | 210 | 0,80 | 3,00 | 3,00 | 5 | 0,20 | 25,00 | 277,40 | 147,00 | 0,82 | 161,00 | | | | | 173 | 203 | 0,65 | 2,50 | 3,20 | 5 | 0,15 | 15,00 | 283,10 | 100,00 | 0,90 | 142,70 | | | | | 180 | 209 | 0,65 | 2,15 | 3,10 | 5 | 0,15 | 14,50 | 302,80 | 95,00 | 0,85 | 148,30 | | | | | 180 | 215 | 0,75 | 2,80 | 3,40 | 5 | 0,20 | 17,50 | 312,90 | 148,00 | 0,91 | 154,90 | | | | | 200 | 200 | 235 | 0,75 | 3,00 | 3,50 | 5 | 0,20 | 17,50 | 379,00 | 160,00 | 0,85 | 167,90 | | | | | 230 | 265 | 0,70 | 2,80 | 3,50 | 5 | 0,20 | 17,50 | 490,00 | 160,00 | 0,76 | 185,50 | | | | | 250 | 250 | 285 | 0,80 | 3,20 | 3,20 | 5 | 0,20 | 17,50 | 572,00 | 200,00 | 0,64 | 213,80 | | | | | 280 | 330 | 0,90 | 3,30 | 3,50 | 5 | 0,20 | 25,00 | 745,40 | 150,00 | 0,61 | 249,90 | | | | | 320 | 300 | 340 | 0,80 | 3,20 | 3,60 | 5 | 0,20 | 20,00 | 818,20 | 200,00 | 0,61 | 245,60 | | | | | 360 | 440 | 2,00 | 7,50 | 6,00 | 6 | 0,30 | 40,00 | 1.286,20 | 150,00 | 0,78 | 366,70 | new | | | | 400 | 400 | 480 | 1,45 | 5,00 | 4,50 | 6 | 0,40 | 40,00 | 1.553,60 | 350,00 | 0,54 | 394,70 | | | | | | | | | | | | | | | | | | | | | | | | | | Types | | | | | | | | | | | | | | For sizes up to ID 60 see separate sheet. | | | | | | | | | | Sizes, technical data, materials | | | | | | | | | | All stated values are referring to following operating conditions: Differential pressure Pi = 0, Pa = 1bar Operating temperature OT = room temperature Baking temperature HT = 80°C Number of cycles Nz = 10.000 cycles For other operating conditions please use our "Checklist for bellows inquiries". Our design department will calculate your bellows design. Do you have an application with other sizes? Please contact us. We are manufacturing other sizes on demand. | | | | | | | | | | Issue 0706. Technical specificationssubject to change. | | | | | | | | | | COMVAT AG (Switzerland) | | | | | | www.comvat.com | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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