Parker
Parker 6509 56 18WP2 Push-Fit Elbow Fitting
Push-fit elbow fitting joins 1/4 in tube to 3/8 in NPTF thread, rated 230 psi and 200 °F, made from bio-based nylon with pre-applied sealant
- TypeOther
- Push-fit connection speeds installation
- 1/4 in tube size fits standard lines
- 3/8 in NPTF thread mates with common ports
- Bio-based nylon body resists corrosion
- 230 psi rating handles demanding vacuum applications
Parker 6509 Push-Fit Elbow
This Parker 6509 push-fit elbow connects 1/4 in tubing to a 3/8 in NPTF port in vacuum applications. The bio-based nylon body suits fluid-handling systems where a compact right-angle joint is required. Installers press the tube into side A and thread side B into the mating port. No special tools are needed for the push-to-connect end.
Thermals Noise Power
The fitting handles temperatures up to 200 Degrees F and pressures up to 230 psi in normal service. Bio-based nylon construction resists deformation across this range without audible vibration or measurable power draw. Pre-applied thread sealant is not included, so the installer must supply a compatible sealant for the NPTF threads.
Deciding Specification
The critical match is the 1/4 in tube outer diameter on side A and the 3/8 in NPTF thread on side B. If the system uses a different tube size or thread standard, this elbow will not seal. Buyers who need a straight connector or a different port configuration should select another fitting.
Highlights
- Push-fit connection speeds installation
- 1/4 in tube size fits standard lines
- 3/8 in NPTF thread mates with common ports
- Bio-based nylon body resists corrosion
- 230 psi rating handles demanding vacuum applications
Specifications
| Brand | PARKER |
|---|---|
| Type | Other |
Questions about this item
How do I install the 6509 push-fit elbow and what step do people get wrong?
Push the 1/4 in tube fully into the push-to-connect side until it seats, then thread the 3/8 in NPTF side into the port using the pre-applied sealant; the common error is not inserting the tube deep enough to lock.
What maintenance or replacement will the 6509 fitting need later?
Inspect the bio-based nylon body and seals periodically for cracking or leakage at the 230 psi rating; replace the fitting if the push-to-connect grip or NPTF threads show wear.
What limit appears first on the 6509 fitting under sustained use?
The maximum operating temperature of 200 degrees F is typically reached before the 230 psi pressure limit during continuous vacuum or fluid service.
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