Product Name: Model JF-250 Bellows Type Expansion Joint（Screwed Ends） Feature:
Specification: Size Range: DN15~DN600 (1/2”~24”)
Parts
250SG
250S
250G
250N
Material
Option
1
Bellows
◎
S.S.304
S.S.316
2
Internal Sleeve
3
Flange
Carbon Steel
S.S.304/S.S.316
4
Tube Ends
5
Tie Rods
Specification (Fitted with JIS 10K flanges）
OAL
Thickness of Flange
Bellows Length
Axial Movement
Axial Spring Rate
Effective Area
mm
ins
N/mm
cm2
15
1/2
250
12
125
+10 -25
8
20
3/4
14
11
6
25
17
9
32
1 1/4
350
16
180
+10 -40
18
13
40
1 1/2
23
21
50
29
65
2 1/2
46
80
53
67
100
76
123
81
177
150
22
116
259
200
137
415
10
24
194
661
300
218
907
26
369
1167
400
28
465
1509
450
30
518
1880
500
819
2326
550
895
2781
600
971
3276
