Next Generation Product Design

BellowsTech designs and manufactures a full range of edge welded metal bellows and related assemblies. We have experience and capability with all sizes, shapes and materials. We use state-of-the-art design tools such as Finite Element Analysis, CAD, and other proprietary software to produce truly optimized designs for your applications.

While our baseline manufacturing configuration will support most requirements, we also have the ability to quickly setup dedicated production cells to support larger volumes or specific types of products.

Learn about our Value-Added Services.

A sampling of our product applications include:
Custom Sizing and Bellows Types Across All Industries
Custom Assemblies
Semiconductor Bellows with Custom Flange Hardware
Cross Section Mount of an Aerospace Aneroid Bellows Assembly
Aerospace Titanium Volume Compensators
Lifter Bellows and
Face Seal

Specifications:
Bellows & Flange Materials
When compared with other edge welded bellows, BellowsTech bellows and flange materials outperform our competition time and time again. The following table outlines available materials related to standard leak rate capabilities.

Material
Standard Leak Rate Capability
316L SS
<1x10 -9 std CC He/sec
AM350 SS
<1x10 -9 std CC He/sec
Inconel/Hastelloy
<1x10 -5 std CC He/sec
Titanium
<1x10 -9 std CC He/sec
Aluminum
<1x10 -4 std CC He/sec

Each BellowsTech product can be custom designed to meet your exact requirements while exceeding your performance expectations.

Proven Production Capabilities
Our primary focus is the design and manufacture of edgewelded bellows. This single concentration allows us to best serve our clients needs when it comes to any custom request. Our edge welded bellows production capabilities include:

Size Ranges: OD: 0.3” (7.6mm) to 26” (660mm)*
  ID: 0.15” (3.8mm) to 25.5 (648mm)*
  Length: up to 96” (244cm)
Shapes: Round
  Non-round upon special request
Available Bellows Sizes*
Die No.
OD
ID
(inch)
(mm)
(inch)
(mm)
0040A
0.396
10.06
0.200
5.08
0050A
0.496
12.60
0.200
5.08
0060A
0.595
15.11
0.260
6.60
0075A
0.750
19.05
0.260
6.60
0083A
0.827
21.01
0.575
14.61
0084A
0.838
21.29
0.500
12.70
0085A
0.848
21.54
0.428
10.87
0089A
0.892
22.66
0.592
15.04
0103A
1.030
26.16
0.540
13.72
0103B
1.030
26.16
0.540
13.72
0108A
1.080
27.43
0.860
21.84
0117A
1.170
29.72
0.750
19.05
0124A
1.240
31.50
0.660
16.76
0136A
1.355
34.42
0.540
13.72
0144A
1.437
36.50
0.937
23.80
0150A
1.500
38.10
1.000
25.40
0150B
1.500
38.10
0.540
13.72
0156A
1.560
39.62
0.865
21.97
0163A
1.625
41.28
0.750
19.05
0163B
1.625
41.28
0.937
23.80
0165A
1.650
41.91
1.240
31.50
0174A
1.738
44.15
1.363
34.62
0175A
1.750
44.45
0.750
19.05
0175B
1.750
44.45
1.000
25.40
0176A
1.759
44.68
1.305
33.15
0188A
1.875
47.63
0.975
24.77
0189A
1.890
48.01
1.390
35.31
0190A
1.900
48.26
1.500
38.10
0193A
1.925
48.90
1.200
30.48
0200A
2.000
50.80
1.250
31.75
0224A
2.244
57.00
1.625
41.28
0225A
2.250
57.15
1.500
38.10
0244A
2.437
61.90
1.937
49.20
0245A
2.450
62.23
1.650
41.91
0260A
2.600
66.04
1.780
45.21
0263A
2.625
66.68
2.125
53.98
0265A
2.650
67.31
2.000
50.80
0270A
2.700
68.58
1.950
49.53
0275A
2.750
69.85
2.125
53.98
0276A
2.760
70.10
1.965
49.91
0300A
3.000
76.20
2.000
50.80
0331A
3.305
83.95
2.810
71.37
0350A
3.500
88.90
2.750
69.85
0368A
3.675
93.35
2.530
64.26
0403A
4.034
102.46
3.085
78.36
0403B
4.034
102.46
3.085
78.36
0417A
4.170
105.92
3.700
93.98
0420A
4.200
106.68
3.400
86.36
0472A
4.720
119.89
3.720
94.49
0475A
4.750
120.65
3.030
76.96
0490A
4.900
124.46
3.530
89.66
0490B
4.903
124.54
4.323
109.80
0497A
4.970
126.24
4.000
101.60
0508A
5.077
128.96
4.130
104.90
0545A
5.450
138.43
4.950
125.73
0550A
5.500
139.70
4.500
114.30
0572A
5.722
145.34
4.472
113.59
0588A
5.880
149.35
5.120
130.05
0675A
6.750
171.45
5.542
140.77
0728A
7.283
184.99
5.906
150.01
0775A
7.750
196.85
6.850
173.99
0785A
7.850
199.39
6.250
158.75
0787A
7.874
200.00
6.693
170.00
0808A
8.083
205.31
7.150
181.61
0925A
9.250
234.95
8.000
203.20
0950A
9.500
241.30
8.500
215.90
1099A
10.990
279.15
10.120
257.05
1100A
11.000
279.40
9.500
241.30
1200A
12.000
304.80
10.000
254.00
1535A
15.354
389.99
12.992
330.00
1850A
18.504
470.00
16.141
409.98
2221A
22.205
564.01
19.921
505.99
2244A
22.441
570.00
20.079
510.01
2559A
25.591
650.01
23.228
589.99
*Available Bellows Diameters based on stock tooling. Please consult factory to discuss suitability with various materials and material thicknesses. Dimensions are Nominal.
Material Types: Thicknesses:
AM350 .002” and up every .0005”
304L SS .002” and up every .001”
316L SS .002” and up every .001”
347 SS .002” and up every .001”
Titanium Gd 1-4/ASTM-B265 .002” and up every .001”
Haynes 242 .002” and up every .001”
Alloy 276 (Hasteloy C276)+ .003” and up every .001”
Alloy 625 (Inconel 625)+ .004” and up every .001”
Alloy 718 (Inconel 718)+ .004” and up every .001”

* Consult factory for additional capabilities on an individual order basis
+ Other alloys upon request

Our production capabilities are second to none along with a can-do attitude that places our clients at ease, no matter the design challenge.