Free Type

Free Type

FREE TYPE EXPANSION JOINT

It’s designed that end pipe and flange are welded at the both edge of bellows. And it is mainly used for expansion of low pressure pipe and absorbing vibration.

  • Application

    For absorption of extension/compression low-pressure piping, exhaust piping , ducts, flues, etc, and for vibration absorption of suction and exhaust pipes of engines and blowers, and at the inlet and outlet of pumps, etc.

  • Pressure

    0.1 MPa to 0.3 MPa

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Diameter
No.
Width
(mm)
Q x W
(mm)
Bellows
No.
Length
(mm)
Axial
Mov.
Laternal
Defl.
Angular
Rotation
Spinning Rate Effective
Diameter
Effective
Section Area
kx ky
50A 0.4 10x12 10 240 12 5.5 20.2 5 20.2 20.2 20.2
65A 0.4 10x12 10 250 12 16.5 16.5 6 16.5 16.5 16.5
80A 0.4 10x16 6
12
250
340
12
25
3.9
15.8
14.1
28.1
5
3
14.1
28.1
14.1
28.1
14.1
28.1
100A 0.4 23x24 6
12
250
360
12
25
3.3
13.0
11.8
23.6
6
3
11.8
23.6
11.8
23.6
11.8
23.6
125A 0.8 20x26 5
10
300
440
12
25
3.1
12.5
10.8
22.3
9
5
10.8
22.3
10.8
22.3
10.8
22.3
150A 0.8 35x35 5
10
300
440
15
30
4.0
15.9
9.9
19.9
16.9
8.5
9.9
19.9
9.9
19.9
9.9
19.9
200A 1.0 45x38 4
8
300
440
16
32
2.6
10.7
7.6
15.3
14.0
7.0
7.6
15.3
7.6
15.3
7.6
15.3
250A 1.0 45x42 4
7
300
440
18
32
2.9
8.8
7.1
12.4
25.2
14.4
7.1
12.4
7.1
12.4
7.1
12.4
300A 1.0 50x50 3
5
7
300
440
524
18
32
2.3
6.5
12.4
6.0
9.9
13.9
27.4
16.4
11.7
6.0
9.9
13.9
6.0
9.9
13.9
6.0
9.9
13.9
350A 1.0 50x50 3
5
6
300
440
524
23
37
45
2.9
8.0
11.6
6.6
11.1
13.3
18.8
11.3
9.4
6.6
11.1
13.3
6.6
11.1
13.3
6.6
11.1
13.3
400A 1.0 50x50 3
5
6
300
475
545
23
37
45
2.6
7.1
10.3
9.8
11.8
5.1
21.3
12.8
10.6
9.8
11.8
5.1
9.8
11.8
5.1
9.8
11.8
5.1
450A 1.0 50x50 3
5
6
300
475
545
23
37
45
2.2
6.1
8.8
8.4
10.1
4.8
24.8
14.9
12.4
8.4
10.1
4.8
8.4
10.1
4.8
8.4
10.1
4.8
500A 1.2 50x50 3
5
6
300
475
545
23
37
45
2.2
6.1
8.8
8.0
9.6
2.8
26.1
15.6
13.0
8.0
9.6
2.8
8.0
9.6
2.8
8.0
9.6
2.8
600A 1.2 60x60 3
5
6
300
475
545
16
40
49
1.0
6.0
8.7
7.0
8.3
2.4
48.2
19.3
16.1
7.0
8.3
2.4
7.0
8.3
2.4
7.0
8.3
2.4
700A 1.5 60x60 3
5
6
300
475
545
16
40
49
0.8
5.2
7.5
2.0
7.2
3.2
55.6
22.2
18.5
2.0
7.2
3.2
2.0
7.2
3.2
2.0
7.2
3.2
800A 1.5 60x60 3
5
6
400
580
600
24
40
48
1.6
4.5
6.6
5.3
7.4
2.9
82.0
49.2
41.0
5.3
7.4
2.9
5.3
7.4
2.9
5.3
7.4
2.9
  • Q = Bellows Pitch W = Bellows Height