SMC High Purity Fitting: 1/2 in OD x 1/2 in OD x 1/4 in Pipe/1/2 in
The SMC High Purity Fitting (MPN LQ3R4A-FN) is a PFA compression tube fitting from the LQ3 series, configured with 1/2 in OD x 1/2 in OD x 1/4 in Pipe/1/2 in OD x 1/2 in OD x 4 in Pipe Size. It complies with RoHS6…
SKU 3G-OTH-474375
Need installation or engineering help?
Ask a question
Product Description
The SMC High Purity Fitting (MPN LQ3R4A-FN) is a PFA compression tube fitting from the LQ3 series, configured with 1/2 in OD x 1/2 in OD x 1/4 in Pipe/1/2 in OD x 1/2 in OD x 4 in Pipe Size. It complies with RoHS6 and RoHS10 standards. 3G Electric sources this genuine SMC component across 14 industrial departments, with specialist expertise in combustion, pumps and controls to support your application.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the SMC LQ3R4A-FN high purity fitting used for?
The SMC LQ3R4A-FN is a PFA compression tube fitting from the LQ3 series, designed for high-purity fluid handling in semiconductor, pharmaceutical, and chemical processing applications. It connects 1/2 in OD tubing to 1/4 in or 4 in pipe threads while maintaining cleanliness and corrosion resistance.
What are the specifications of the SMC LQ3R4A-FN fitting?
The SMC LQ3R4A-FN is a PFA compression tube fitting from the LQ3 series, with a configuration of 1/2 in OD x 1/2 in OD x 1/4 in Pipe/1/2 in OD x 1/2 in OD x 4 in Pipe Size. It complies with RoHS6 and RoHS10 standards. The manufacturer part number is LQ3R4A-FN.
Where to buy the SMC LQ3R4A-FN fitting worldwide?
3G Electric supplies the genuine SMC LQ3R4A-FN high purity fitting worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this PFA compression fitting from the LQ3 series.
How to install the SMC LQ3R4A-FN PFA compression fitting?
To install the SMC LQ3R4A-FN, ensure tubing ends are clean and cut square. Insert the tube fully into the fitting until it bottoms out, then hand-tighten the nut. Use a wrench for final tightening per SMC's recommended torque to avoid overtightening PFA components. Always verify leak-free operation after installation.
Used in
Common applications for SMCSMC Products
3G Electric supplies SMC pfa compression tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









