Can I Use a PEEK Fitting on Stainless Steel Tubing - Can I Use a SS Fitting on PEEK Tubing in HPLC - FAQ
Date: 21-APRIL-2012 Last Updated: 8-NOVEMBER-2025
Yes, you can very effectively use PEEK Fittings on Stainless Steel Tubing as long as you take into account the making Pressure Ratings of the Fitting you are using and the expected Pressures in your System.
Generally speaking, a PEEK Fitting is preferred for all HPLC Applications up to 5,000 psi and No, you should never use a Stainless Steel Fitting on PEEK tubing.
Click here to view our HPLC fittings
Yes, you can very effectively use PEEK Fittings on Stainless Steel Tubing as long as you take into account the making Pressure Ratings of the Fitting you are using and the expected Pressures in your System.
Generally speaking, a PEEK Fitting is preferred for all HPLC Applications up to 5,000 psi and No, you should never use a Stainless Steel Fitting on PEEK tubing.
Click here to view our HPLC fittings