| STAINLESS STEEL EXPANSION JOINT |
| SF-250 Series |
| Product Descriptions: |
  |
| 1. |
Stainless steel expansion joint with bellows made from welding stainless steel vertically and comes with an internal sleeve and tie rods to prevent turbulent flow and maintain correct axial movement. |
| 2. |
Installed between pipes to absorb axial movement due to thermal expansion or contraction. |
|
| |
| Installation Precautions: |
| 1. |
Please install the product with the designated length by the manufacturer, and adjust its screw nut to the maximum allowable axial movement of the product after installation is completed. |
| 2. |
Do not allow arc strikes and weld splatter to hit unprotected bellows or any external force to damage it. |
|
| |
| CONSTRUCTION |
 |
|
ITEM
|
PARTS
|
MATERIAL
|
OPTIONAL MATERIAL
|
|
1
|
BELLOWS
|
SUS-304
|
SUS-316
|
|
2
|
FLANGE
|
SS-400
|
SUS-304/SUS-316
|
|
3
|
INTERNAL SLEEVE
|
SUS-304
|
SUS-316
|
|
4
|
SEAL RING
|
SS-400
|
SUS-304/SUS-316
|
|
5
|
TUBE END
|
SS-400
|
SUS-304/SUS-316
|
|
6
|
TIE ROD
|
SS-400
|
SUS-304/SUS-316
|
|
| |
| SF-250STG SPECIFICATION (Below working pressure is based on a room temperature of 25 °C) |
|
TYPE
|
Nominal Bore
|
Nominal Bore
|
Total Length
|
Bellows
|
Bellows
|
Axial Movement |
Axial Movement |
Working Pressure |
Working Pressure |
|
|
mm
|
Ins
|
mm
|
O.D.
|
Corr's No.
|
mm
|
mm
|
PSI
|
kg/cm2 |
|
SF-250STG
|
20
|
3/4
|
300
|
34
|
31
|
+5
|
-25
|
150
|
10
|
|
SF-250STG
|
25
|
1
|
300
|
39
|
28
|
+5
|
-25
|
150
|
10
|
|
SF-250STG
|
32
|
1 1/4
|
400
|
50
|
36
|
+10
|
-40
|
150
|
10
|
|
SF-250STG
|
40
|
1 1/2
|
400
|
57
|
32
|
+10
|
-40
|
150
|
10
|
|
SF-250STG
|
50
|
2
|
400
|
74
|
24
|
+10
|
-40
|
150
|
10
|
|
SF-250STG
|
65
|
2 1/2
|
400
|
90
|
20
|
+10
|
-40
|
150
|
10
|
|
| |
| SF-250SG SPECIFICATION |
|
TYPE
|
Nominal Bore
|
Nominal Bore
|
Total Length
|
Bellows
|
Bellows
|
Axial Movement |
Axial Movement |
Working Pressure |
Working Pressure |
|
|
mm
|
Ins
|
mm
|
O.D.
|
Corr's No.
|
mm
|
mm
|
PSI
|
kg/cm2 |
|
SF-250SG
|
20
|
3/4
|
250
|
34
|
31
|
+5
|
-25
|
150
|
10
|
|
SF-250SG
|
25
|
1
|
250
|
39
|
28
|
+5
|
-25
|
150
|
10
|
|
SF-250SG
|
32
|
1 1/4
|
350
|
50
|
36
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
40
|
1 1/2
|
350
|
57
|
32
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
50
|
2
|
350
|
74
|
24
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
65
|
2 1/2
|
350
|
90
|
20
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
80
|
3
|
350
|
104
|
20
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
100
|
4
|
350
|
130
|
16
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
125
|
5
|
350
|
161
|
15
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
150
|
6
|
350
|
187
|
14
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
200
|
8
|
350
|
247
|
13
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
250
|
10
|
350
|
309
|
12
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
300
|
12
|
350
|
359
|
12
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
350
|
14
|
350
|
393
|
9
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
400
|
16
|
350
|
448
|
9
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
450
|
18
|
350
|
501
|
9
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
500
|
20
|
350
|
553
|
9
|
+10
|
-40
|
150
|
10
|
|
SF-250SG
|
600
|
24
|
350
|
663
|
9
|
+10
|
-40
|
150
|
10
|
|
| Specification of nominal bore above 26” is provided separately |
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