OVERVIEW: The Teflex expansion joints are composed of unreinforced PTFE and come standard with iron 150# drill flanges. Stainless flanges are available as an option.
They are available in 2, 3, or 5 convolutions of varying movements. The Teflex C2 2-convolution joint is sometimes referred to as a "coupling". The Teflex C3 and Teflex C5 models are also provided.
For higher pressure applications, see our Tefspool model PTFE lined rubber expansion joint, or our Tefbellows model PTFE lined metal expansion joint.
Note the change in pressure rating with temperature.
FEATURES:
- All PTFE wetted parts
- Economical
- Light weight
- Tie rods standard
- In stock
APPLICATIONS:
- Chemical tank flexible connections
- Other lower pressure, highly corrosive systems
TEMPERATURE: 400° F (Note pressure derating as temperature rises)
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COMPR
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LATERAL
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WT
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SPRING_RATE
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PRES @ 70F
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PRES @ 200F
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PRES @ 300F
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PRES @ 400F
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PRODUCT NO |
|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 1 9/16 | 1/4 | 1/8 | 7 | 506 | 180 | 135 | 95 | 65 | TFLX2C0200 |
| 2 1/2 | 2 1/4 | 5/16 | 1/8 | 10 | 452 | 180 | 130 | 95 | 65 | TFLX2C0250 |
| 3 | 2 1/4 | 3/8 | 3/16 | 12 | 641 | 180 | 125 | 90 | 60 | TFLX2C0300 |
| 4 | 2 5/8 | 1/2 | 1/4 | 18 | 475 | 180 | 125 | 85 | 60 | TFLX2C0400 |
| 5 | 3 1/4 | 1/2 | 1/4 | 24 | 435 | 180 | 120 | 85 | 60 | TFLX2C0500 |
| 6 | 2 3/4 | 1/2 | 1/4 | 29 | 435 | 180 | 115 | 85 | 55 | TFLX2C0600 |
| 8 | 4 | 1/2 | 1/4 | 47 | 445 | 160 | 110 | 80 | 55 | TFLX2C0800 |
| 10 | 5 1/4 | 1/2 | 1/4 | 64 | 752 | 160 | 110 | 80 | 55 | TFLX2C1000 |
| 12 | 6 | 1/2 | 1/4 | 72 | 1287 | 70 | 105 | 75 | 50 | TFLX2C1200 |