PTFE high pressure bellow
 
     
     
 
 
Size
D
R
n x d
2 Convolutions
3 Convolutions
T
L
+/-
Ang.
Par.
L
+/-
Ang.
Par.
25
50
160
4 x M12
55
7
8
4
70
12
10
6
2.2
40
65
179
4 x M12
55
8
8
4
70
12
9
6
2.3
50
85
204
4 x M16
60
11
6
6
75
19
8
9
2.3
65
100
230
4 x M16
60
11
6
6
80
19
8
9
2.5
80
120
242
4 x M16
65
13
6
7
90
25
8
12
2.8
100
140
288
8 x M16
70
15
5
8
95
25
7
12
3.0
150
190
340
8 x M16
75
16
4
8
105
28
6
14
3.2
200
260
419
8 x M20
80
17
4
8
110
28
5
14
3.6
250
310
482
12 x M20
90
19
3
9
120
30
5
15
4.0
300
360
535
12 x M20
95
19
3
9
125
30
5
15
4.5
 
     
 

Bellow: PTFE in compliance with ASTM D 1457, white in colour Molded from Virgin PTFE and machined precisely.

Split and back-up flange: IS 2062 Grade B. ANSI B16.5 ASA150 # for drilled holes Duly powder coated with three tie rods to safeguard axial movement

Operating temperature: PTFE -29 to 210 deg. C

Operating pressure: Vaccume to 6 kg /cm. sq. Maximum pressure allowable is restricted with respect to temperature

Hydrostatic pressure test: 10 kg / cm. sq

Spark test: 10 KV