Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
SMC LQ3U5A-R1 PFA Compression Tube Fitting, 3/4 in OD x 1/2 in OD - PFA Compression Tube Fittings
SMCPFA Compression Tube Fittings

SMC LQ3U5A-R1 PFA Compression Tube Fitting, 3/4 in OD x 1/2 in OD

The SMC High Purity Tube Fitting (MPN LQ3U5A-R1) is a PFA compression fitting with a 3/4 in OD x 1/2 in OD size, configured as compression x compression. Part of the LQ3 series, it complies with RoHS_6 and RoHS_10…

SKU 3G-OTH-474368

Also listed as: LQ3U5AR1 · LQ3U5A R1

Brand
SMC
Item
LQ3U5A-R1 PFA Compression Tube Fitting, 3/4 in OD x 1/2 in OD
Part Number
LQ3U5A-R1
Category
PFA Compression Tube Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

SMC
Manufacturer Part Number
LQ3U5A-R1
Series
LQ3
Type
Compression x Compression, PFA
Standards
RoHS_6, RoHS_10

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SMC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SMC High Purity Tube Fitting (MPN LQ3U5A-R1) is a PFA compression fitting with a 3/4 in OD x 1/2 in OD size, configured as compression x compression. Part of the LQ3 series, it complies with RoHS_6 and RoHS_10 standards.

Frequently Asked Questions

What is the SMC LQ3U5A-R1 high purity tube fitting used for?

The SMC LQ3U5A-R1 is a PFA compression fitting used in high-purity fluid systems, such as semiconductor manufacturing, chemical processing, and pharmaceutical applications. It provides a leak-free connection for 3/4 in OD to 1/2 in OD tubing, ensuring contamination-free transfer of aggressive chemicals.

What are the specifications of the SMC LQ3U5A-R1 fitting?

The SMC LQ3U5A-R1 is a PFA compression x compression fitting from the LQ3 series. It connects 3/4 in OD to 1/2 in OD tubing. It complies with RoHS_6 and RoHS_10 standards. The manufacturer part number is LQ3U5A-R1.

Where to buy the SMC LQ3U5A-R1 high purity tube fitting worldwide?

3G Electric supplies the SMC LQ3U5A-R1 high purity tube fitting to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this PFA compression fitting.

How to install the SMC LQ3U5A-R1 PFA compression fitting?

To install the SMC LQ3U5A-R1, cut tubing squarely, deburr, and fully insert into the fitting. Hand-tighten the nut, then use a wrench for the recommended turns per SMC guidelines. Avoid over-tightening to prevent PFA creep. Always verify alignment and leak-test after installation.

Used in

Common applications for SMC
Automotive assembly lines — SMC V100 Series solenoid valves control clamping and positioning actuators.
Food and beverage packaging — SMC SY Series valves manage air flow in filling and sealing stations.
Material handling systems — SMC D-M9B auto switches detect cylinder positions on conveyor diverters.
Compressed air treatment — SMC coalescing filter elements remove oil aerosols in pneumatic supply lines.
Robotic end-effectors — SMC SV Series valves provide multi-position control for gripper actuation.
Pharmaceutical manufacturing — SMC particulate filter elements protect sensitive pneumatic equipment from solid contaminants.
Not sure this is the right part? Photo-identify it→

SMC 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from SMC

View all SMC parts →
This SMC LQ3 series plug is a 1-inch compression fitting made from PFA, designed to seal unused ports in fluid systems. It meets RoHS_6 and RoHS_10 standards for environmental compliance. Typical applications include chemical processing and other systems requiring corrosion-resistant connections
SMC
This SMC LQ3 series plug is a 1-inch compression fitting made from PFA, designed to seal unused ports in fluid systems. It meets RoHS_6 and RoHS_10 standards for environmental compliance. Typical applications include chemical processing and other systems requiring corrosion-resistant connections
The SMC LQ3-4P13-2 is a 1/2 inch compression plug made from PFA, part of the LQ3 series. It is used to seal the end of a tube in fluid handling systems requiring corrosion resistance and high purity. Complies with RoHS_6 and RoHS_10 standards
SMC
The SMC LQ3-4P13-2 is a 1/2 inch compression plug made from PFA, part of the LQ3 series. It is used to seal the end of a tube in fluid handling systems requiring corrosion resistance and high purity. Complies with RoHS_6 and RoHS_10 standards
PFA compression tube fitting from the SMC LQ3 series. Compression x compression configuration for connecting 3/4 in OD tubing to 1/4 in OD tubing. Complies with RoHS_6 and RoHS_10 standards. Suitable for high-purity fluid systems requiring leak-free connections
SMC
PFA compression tube fitting from the SMC LQ3 series. Compression x compression configuration for connecting 3/4 in OD tubing to 1/4 in OD tubing. Complies with RoHS_6 and RoHS_10 standards. Suitable for high-purity fluid systems requiring leak-free connections
This PFA compression fitting nut insert bushing is part of the SMC LQ1 series. It is used to create leak-tight connections in fluid systems requiring corrosion resistance and cleanliness. The fitting meets RoHS_6 and RoHS_10 standards
SMC
This PFA compression fitting nut insert bushing is part of the SMC LQ1 series. It is used to create leak-tight connections in fluid systems requiring corrosion resistance and cleanliness. The fitting meets RoHS_6 and RoHS_10 standards

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first