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Expansion Joint
Bellows
| Part No. |
Nominal
Size (I.D.) |
A† |
B |
C |
Maximum
Misalignment* |
Weight
(Lbs.) |
Neutral
Length |
Maximum
Travel ± |
| R6906-016 |
1" |
3" |
1/2" |
2" |
1-57/64" |
1/2" |
2 |
| R6906-024 |
1-1/2" |
3-1/2" |
3/4" |
2-7/8" |
2-35/64" |
1/2" |
5 |
| R6906-032 |
2" |
4" |
1" |
3-5/8" |
3-13/32" |
1/2" |
9 |
| R6906-048 |
3" |
5" |
1" |
5" |
4-41/64" |
1/2" |
14 |
| R6906-064 |
4" |
5-1/4" |
1-1/4" |
6-3/16" |
5-11/16" |
5/8" |
20 |
| R6906-096 |
6" |
6" |
1-1/4" |
8-1/2" |
8" |
5/8" |
31 |
† This is an installation dimension; not a limit bolt setting.
* At neutral length with limit bolts in place.
Note: Angular Deflection approx. 20 degrees.
Maximum (axial) travel is based on installation with no misalignment or angular deflection. |
Non-Shock Working Pressure Vs. Temperature R6906 Bellows
R6906 Bellows not recommended for vacuum service.
Recommended only for low pressure applications.
Safeguarding
The Chemical Plant and Petroleum Refinery Pressure Piping Code, ANSI / ASME B31.3, in Appendix G outlines recommendations for safeguarding piping systems. We subscribe to this emphasis on safety and endorse the code suggestion for shielding bellows units where hazardous fluids are conveyed. See below for information on wrap-around safety shields. |
Limit Bolts
Limit bolts with elastic stop nuts are factory set at the maximum travel position to prevent over-extension. Severe damage or personal injury can result if the limit bolts and stop nuts are removed to exceed the factory setting, of it non-locking nuts are installed. |
Ductile Iron Flange dimensions
Size
Code |
Nom.
Size |
D |
E |
F |
G |
H |
Flange
Thickness |
J |
| Holes |
Thread |
B.C.* |
Holes |
Thread |
B.C.* |
B.C. |
| -016 |
1" |
4 |
1/2-13 |
3-1/8" |
4 |
5/16-18 |
3-1/8" |
1/4" |
5-1/8" |
4-1/4" |
5/16" |
6" |
| -024 |
1-1/2" |
4 |
1/2-13 |
3-7/8" |
4 |
5/16-18 |
3-7/8" |
1/4" |
5-7/8" |
5" |
11/32" |
6-3/4" |
| -032 |
2" |
4 |
5/8-11 |
4-3/4" |
4 |
5/16-18 |
4-3/4" |
3/8" |
6-7/8" |
6" |
7/16" |
8-1/8" |
| -040 |
2-1/2" |
4 |
5/8-11 |
5-1/2" |
- |
- |
- |
3/8" |
8-1/8" |
7" |
1/2" |
9-3/8" |
| -048 |
3" |
4 |
5/8-11 |
6" |
4 |
5/16-18 |
6" |
3/4" |
8-3/4" |
7-1/2" |
1/2" |
10" |
| -064 |
4" |
8 |
5/8-11 |
7-1/2" |
8 |
5/16-18 |
7-1/2" |
3/8" |
9-7/8" |
9" |
5/8" |
11-1/8" |
| -080 |
5" |
8 |
3/4-10 |
8-1/2" |
- |
- |
- |
1/2" |
11-1/2" |
10" |
3/4" |
13" |
| -096 |
6" |
8 |
3/4-10 |
9-1/2" |
8 |
3/8-16 |
9-1/2" |
1/2" |
12-1/2" |
11" |
3/4" |
14" |
| -128 |
8" |
8 |
3/4-10 |
11-3/4" |
- |
- |
- |
1/2" |
14-3/4" |
13-1/2" |
15/16" |
16-1/4" |
| -160 |
10" |
12 |
7/8-9 |
14-1/4" |
- |
- |
- |
1/2" |
17-1/2" |
16" |
1" |
19" |
| -192 |
12" |
12 |
7/8-9 |
17" |
- |
- |
- |
5/8" |
20-1/2" |
19" |
1" |
22" |
* D & E Bolt circle same as 125 & 150 Lb. ANSI standard.
We can also supply DIN and JIS standards, or other standard or customs flanges.
Main products:
Metal expansion joints
Rubber expansion joints
Single sphere rubber expansion joint
Twin sphere rubber expansion joint
Flexible stainless steel hose
PTFE expansion joints
PTFE expansions
Fabric rubber expansion joint
Rubber expansion joint reducer
Twin sphere connection with union
Rubber bellows expansion
FEP lining valves |
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| Pall ring | Tellerette ring | IMTP ring | Ceramic Alumina ball | PTFE expansion joint | Rubber expansion | Liquid distributor |
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