| Applications: | Pneumatic instrumentation circuits, lubricant and cooling lines. | Used With: | Aluminum & copper tubing. Hard plastic tubing requires brass sleeve. Not recommended for steel tubing. |
|---|---|---|---|
| SAE Rating: | N/A | Conformance: | N/A |
| Vibration: | Excellent Resistance. | Temperature Range: |
Depends on tubing used. -65°F to +250°F (-53°C to +121°C) with brass sleeve -40°F to +150°F (-40°C to +66°C) with plastic sleeve. (Refer to tubing temperature range.) |
| Tolerance: | +/- .02 on all dimensions. | Lead Free: | Not Lead Free |
Working Pressure and Temperature Ranges:
- Up to 150 PSI from 0°F to + 150°F with thermoplastic tubing. Up to 300 PSI from 0°F to + 175°F with soft metal tubing.
Maximum allowable metal tube wall thickness for use with Poly-Tite® fittings::
- 1/8″, 3/16″ O.D. — no limitation
- 1/4″ O.D.–.035 5/16″, 3/8″,1/2″ O.D.–.049
Assembly Instructions:
- 1) Cut tubing to desired length.
- 2) Slide nut/sleeve assembly on tube. Threaded end “A” of nut must face toward fitting.
- 3) Bottom tubing into fitting.
- 4) Plastic sleeve – Tighten nut hand tight.
Brass Sleeve – Tighten nut hand tight, then an additional 3/4 turn.
| Tube OD | 1/8″ | 3/16″ | 1/4″ | 5/16″ | 3/8″ | 1/2″ |
|---|---|---|---|---|---|---|
| Thread Size – B | 5/16-24 | 3/8-24 | 3/8-24 | 7/16-24 | 1/2-24 | 11/16-20 |
**Note: 1/8 and 3/16 sizes have brass sleeves**
| Crossover Series: | ||||
|---|---|---|---|---|
| MP72 | 272PF | 1272 | 172P | 272P |
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|---|---|---|---|---|---|
| Part Number | Tube O.D x Male NPTF | A | B | Body Size | Approx. Weight (Lbs.) |
| 20317 (20-317) |
1/8″ x 1/8″ | 0.63″ | 0.69″ | 0.31″ | 0.04 |
| 20318 (20-318) |
3/16″ x 1/8″ | 0.63″ | 0.69″ | 0.31″ | 0.04 |
| 20319 (20-319) |
1/4″ x 1/8″ | 0.63″ | 0.75″ | 0.37″ | 0.07 |
| 20320 (20-320) |
1/4″ x 1/4″ | 0.66″ | 0.94″ | 0.37″ | 0.09 |
| 20321 (20-321) |
5/16″ x 1/8″ | 0.63″ | 0.75″ | 0.37″ | 0.10 |
| 20322 (20-322) |
3/8″ x 1/8″ | 0.63″ | 0.75″ | 0.44″ | 0.08 |
| 20323 (20-323) |
3/8″ x 1/4″ | 0.66″ | 0.94″ | 0.44″ | 0.11 |
| 20324 (20-324) |
1/2″ x 3/8″ | 0.81″ | 1.06″ | 0.63″ | 0.21 |
Dimension data can change without notice.




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