Ring Grip Pipe Couplings
| Tuf-Lok
/ Ring Grip / Series 689 |
Tuf-Lok |
 |
| Pipe Couplings |
The Tuf-Lok ring grip pipe coupling is a rugged, heavy duty, self-aligning and
self-grounded pipe coupling with a high end pull for almost any application
where pipe ends need to be connected.
Features:
- Self-aligning
- Installs quickly
- High end pull
- High pressure rated
- Full vacuum rated
- Reusable
- Absorbs vibration
- Rigid
- Usable on thin or thick wall pipe
- Low cost
- Externally leakproof
- Self grounding
- Smooth internal connection
- Every coupling a union
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Options:
- Rings
- Mild steel
- Stainless steel
- Aluminum
- Custom gaskets
- EPDM
- Buna-N
- Silicone
- Fluoroelastomer
- Others
- High temperature design to 350° F (176° C)
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| Nom. Pipe
Size (in.) |
Pipe O.D.
(in.) |
Series Number |
Maximum W. P.
(psig) |
Maximum End
Load* (lbs) |
Dimensions
(in.) |
Approximate
Weight Ea. (lbs) |
| A |
B |
C |
| 1 |
1.315 |
689 |
150 |
2950 |
3.76 |
2.54 |
1.79 |
0.5 |
| 1-1/2 |
1.900 |
689 |
150 |
3900 |
4.36 |
3.13 |
1.79 |
0.6 |
* Working pressure and end load are total, including equivalent loads based on
proper coupling assembly.
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