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Male Coupling
Useful Information
Key Features / Tech Specs:
- Manufactured by John Guest
- Imperial tube x male NPT coupling
- Pressure rated to 16 bar
- Maximum temperature: 70°C
- FDA approved
Useful Info:
| Product Code | To Suit Hose O.D (inch) | Thread (inch) | Max. Bar up to 20°C | Max. Bar at 70°C |
| 381890 | 5/32 | 1/8 | 16 | 10 |
| 381891 | 5/32 | 1/4 | 16 | 10 |
| 381892 | 3/16 | 1/8 | 16 | 10 |
| 381893 | 1/4 | 1/8 | 16 | 10 |
| 381894 | 1/4 | 1/4 | 16 | 10 |
| 381895 | 1/4 | 3/8 | 10 | 7 |
| 381896 | 5/16 | 1/8 | 16 | 10 |
| 381897 | 5/16 | 1/4 | 16 | 10 |
| 381898 | 5/16 | 3/8 | 10 | 7 |
| 381899 | 3/8 | 1/8 | 10 | 7 |
| 381900 | 3/8 | 1/4 | 10 | 7 |
| 381901 | 3/8 | 3/8 | 10 | 7 |
| 381902 | 3/8 | 1/2 | 10 | 7 |
| 381903 | 1/2 | 3/8 | 10 | 7 |
| 381904 | 1/2 | 1/2 | 10 | 7 |
| 381905 | 5/8 | 3/4 | 10 | 7 |
These couplings have a push-in tube end suited to tubing with an outer diameter of 5/32" to 5/8" while the threaded end is 1/8" to 3/4" in diameter.
The NPT threaded ends of these Acetal fittings are designed to be hand tightened and have a maximum torque value of 1.5Nm on 1/8" fittings and 3.0Nm up to 1/2" fittings. Overtightening of the fittings can result in undue stress and failure. They can be used within compressed air or pneumatic flow and vacuum systems.
Tube inserts must be used with pneumatic applications where pressures are in excess of 10 bar; you should not exceed 16 bar. Suitable for use with Polyethylene, Polyurethane, Nylon tubing as well as soft metal tubings such as copper or mild steel.
If you require any further information, our excellent customer service team is here to help so please call us on 01794 835835.
