SMC Straight Adapter Fitting: 21 5/16 mm Pipe x 3/4 in OD Size, Threaded x Compression
The SMC Straight Adapter Fitting (MPN LQ3A5A) is a threaded x compression PFA tube fitting from the LQ3 series, designed for 21 5/16 mm pipe x 3/4 in OD size. It complies with RoHS_6 and RoHS_10 standards.
SKU 3G-OTH-474285
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Product Description
The SMC Straight Adapter Fitting (MPN LQ3A5A) is a threaded x compression PFA tube fitting from the LQ3 series, designed for 21 5/16 mm pipe x 3/4 in OD size. It complies with RoHS_6 and RoHS_10 standards.
Frequently Asked Questions
What is the SMC LQ3A5A straight adapter fitting used for?
The SMC LQ3A5A is a PFA compression tube fitting used to connect 21 5/16 mm pipe to 3/4 in OD tubing in high-purity fluid systems. It is common in semiconductor, chemical processing, and pharmaceutical applications where chemical resistance and leak-free connections are critical.
What are the specifications of the SMC LQ3A5A fitting?
The SMC LQ3A5A is a threaded x compression PFA straight adapter from the LQ3 series. It fits 21 5/16 mm pipe x 3/4 in OD size and complies with RoHS_6 and RoHS_10 standards. The manufacturer part number is LQ3A5A.
Where to buy the SMC LQ3A5A fitting worldwide?
3G Electric supplies the SMC LQ3A5A straight adapter fitting to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this PFA compression fitting.
How to install the SMC LQ3A5A PFA compression fitting?
To install the SMC LQ3A5A, ensure the tube end is clean and square. Insert the tube fully into the fitting and tighten the nut by hand, then use a wrench for an additional 1/4 to 1/2 turn. Avoid over-tightening to prevent damage to the PFA material.
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.









