Why are an fittings blue and red?
It is a US military-derived specification that dates back to World War II and stems from a joint standard agreed upon by the Army and Navy, hence AN. The Army-Navy involvement is also the origin of the red/blue color combination that was traditionally used in the anodized finishing process.
Are PTFE fittings reusable?
The PTFE hose end is reusable, just replace a new ferrule if you reinstall the fitting. EVIL ENERGY Provide plently kind of fuel fittings, Swivel, push-on lock, PTFE hose end and other fitting adapters.
Can you use regular AN fittings on PTFE hose?
PTFE hose is too stiff for hose clamps. It won’t “crush” onto a fitting to create a good seal, like a conventional clamp. So, unique aluminum AN fittings (developed by TechAFX) must be used to secure the new hoses.
How do I install PTFE an fittings?
Using the correct size spanner, tighten the PTFE hose fitting into the socket nut. Apply oil to the thread as you tighten up the union. Continue to tighten the PTFE hose fitting into the socket until you have a gap of approximately 1mm. Align the flats for a professional finish.
How do I choose an fitting?
Selecting Your Fittings
- Consider the Tubing Used. Barbed fittings work best with flexible tubing such as silicone or PharMed®.
- Determine Material Compatibility. Fluids that are incompatible with fitting material may cause leakage or system damage.
- Check Temperature and Pressure Conditions.
What does 10AN mean?
The Good News
| Male Thread Size | AN Size* | Equivalent Tube Size (Nominal OD) |
|---|---|---|
| 7/16-20 | 4AN | 1/4″ |
| 9/16-18 | 6AN | 3/8″ |
| 3/4-16 | 8AN | 1/2″ |
| 7/8-14 | 10AN | 5/8″ |
ARE AN fittings color coded?
Traditionally, AN Fittings are produced in a red/blue color combination, which served as a nod to the origin in army and navy applications for many years.
