Fluororesin Couplings / Tube Insert
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No special tools are required for tightening. A full fluoropolymer fitting with high chemical resistance.
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- Drawing / Specifications
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- Part Numbers
- More Information
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Dimensional Drawings
FETBS
Specification Table
| Part Number | — | Nominal |
| FENL4 | — | 1 |
| Part Number | T | A | B | E | |
| Type | Applicable Tube O.D. (mm) | ||||
| FETBS | 4 | 4 | 10 | 3 | 2 |
| 6 | 6 | 12 | 4 | 2.5 | |
| 8 | 8 | 16 | 6 | 4.3 | |
| 10 | 10 | 20 | 8 | 6.8 | |
[ ! ] Not required for hard tubes such as PTFE and PFA (fluororesin).
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Specifications / Overview
Temperature-Pressure Curve
■ Structure Diagram
After tightening nut
■ Specifications
After tightening nut
■ Specifications
| Applicable Fluid | Super Pure Water, Acid, Alkali, Organic Solvent |
| Operating Temperature Range | 0 to 100°C |
| Max. Operating Pressure | Nominal Dia. 4 to 8: 0.8 MPa Nominal Dia. 10: 0.6 Mpa |
■Nut Tightening Torque (Reference Value)
| Tube size mm | Tightening Torque | Number of Revolution | ||
| N⋅m | kgf・cm | |||
| 4 × 3 | — | 0.12 | 1.2 | 1 |
| 6 × 4 | 6.35 × 4.3 | 0.23 | 2.3 | 1－1/4 |
| 8 × 6 | — | 0.45 | 4.6 | 1－1/4 |
| 10 × 8 | 9.53 × 6.3 | 0.8 | 8.2 | 1－1/2 |
(*) 1. PFA tube is used in the measurement.
2. General tolerance of tube is absorbed if the nut is tightened by the above torque value.
3. Number of revolution is begun to count up when tightening becomes fixed suddenly after lightly tightened by hand.
■ Features
Excellent in chemical resistance.
Possible to tighten the nut with a spanner without using special tools.
Excellent in chemical resistance.
Possible to tighten the nut with a spanner without using special tools.
Basic information
| Type | Related Components | Main Body Material | Fluororesin | Type of Related Component | Tube Insert |
|---|---|---|---|---|---|
| Maximum Operating Temperature(℃) | 100 |
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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