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

3G Electric
RFQ CartGet a QuoteSign inSign up
SMC High Purity Tube Fitting: 1 1/4 in OD x 1 1/4 in OD Size, Compression x Compression - PFA Compression Tube Fittings
SMCPFA Compression Tube Fittings

SMC High Purity Tube Fitting: 1 1/4 in OD x 1 1/4 in OD Size, Compression x Compression

The SMC High Purity Tube Fitting (MPN LQ3E7A) is a PFA compression x compression fitting for 1 1/4 in OD tube size, part of the LQ3 series. It complies with RoHS_6 and RoHS_10 standards.

SKU 3G-OTH-474427

Brand
SMC
Item
High Purity Tube Fitting: 1 1/4 in OD x 1 1/4 in OD Size, Compression x Compression
Category
PFA Compression Tube Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

SMC
Manufacturer Part Number
LQ3E7A
Series
LQ3
Type
Compression x Compression, PFA
Standards
RoHS_6, RoHS_10
View Full Spec Sheet

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 LQ3E7A) is a PFA compression x compression fitting for 1 1/4 in OD tube size, part of the LQ3 series. It complies with RoHS_6 and RoHS_10 standards.

Frequently Asked Questions

What is the SMC LQ3E7A high purity tube fitting used for?

The SMC LQ3E7A is a PFA compression x compression fitting designed for 1 1/4 in OD tubing in high-purity fluid systems. It is commonly used in semiconductor, pharmaceutical, and chemical processing applications where contamination control and chemical resistance are critical.

What are the specifications of the SMC LQ3E7A fitting?

The SMC LQ3E7A is a PFA compression x compression fitting from the LQ3 series, sized for 1 1/4 in OD tube. It complies with RoHS_6 and RoHS_10 standards. The manufacturer part number is LQ3E7A, and it is produced by SMC.

Where to buy the SMC LQ3E7A high purity tube fitting worldwide?

3G Electric supplies the SMC LQ3E7A high purity tube 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 LQ3E7A PFA compression fitting?

To install the SMC LQ3E7A, cut the 1 1/4 in OD PFA tube squarely, deburr the end, and insert it fully into the fitting. Tighten the compression nut by hand, then use a wrench for the final turn per manufacturer guidelines. Avoid over-tightening to prevent damage.

Used in

Common applications for SMC
Automotive assembly — SMC ZP3 flat vacuum pads for handling small components in pick-and-place robots
Semiconductor manufacturing — SMC ZM series vacuum generators with needle valves for precise wafer handling
Food packaging — SMC AW-D series filter regulators for clean compressed air in pneumatic actuators
General industrial automation — SMC AS2211F speed control valves for regulating cylinder speeds in conveyor systems
Vacuum conveying — SMC ZH series box-type vacuum generators for material transport in packaging lines
Machine tool coolant systems — SMC ZF series in-line filters to protect vacuum ejectors from debris

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 →
SMC High Purity Tube Fitting: 1/4 in Pipe x 1/2 in OD Size, NPT x Compression, PFA (MPN LQ3H4A-MN). Key specifications — Series: LQ3; Brand: SMC; Standards: RoHS_6, RoHS_10.
SMC
SMC High Purity Tube Fitting: 1/4 in Pipe x 1/2 in OD Size, NPT x Compression, PFA (MPN LQ3H4A-MN). Key specifications — Series: LQ3; Brand: SMC; Standards: RoHS_6, RoHS_10.
SMC High Purity Nut: 1/4 in OD Size, Compression, PFA (MPN LQ3-2N07). Key specifications — Series: LQ3; Brand: SMC; Standards: ISO Class 5.
SMC
SMC High Purity Nut: 1/4 in OD Size, Compression, PFA (MPN LQ3-2N07). Key specifications — Series: LQ3; Brand: SMC; Standards: ISO Class 5.
SMC Compression Fitting Nut Insert Bushing: 1/8 in OD Size, Compression, PFA (MPN LQ1-1B03). Key specifications — Series: LQ1; Brand: SMC; Standards: RoHS_6, RoHS_10.
SMC
SMC Compression Fitting Nut Insert Bushing: 1/8 in OD Size, Compression, PFA (MPN LQ1-1B03). Key specifications — Series: LQ1; Brand: SMC; Standards: RoHS_6, RoHS_10.
SMC High Purity Fitting: 3/8 in OD x 3/8 in OD x 1/8 in Pipe Size, Compression x Compression x NPT (MPN LQ3B3C-MN). Key specifications — Series: LQ3; Brand: SMC; Standards: RoHS6, RoHS10.
SMC
SMC High Purity Fitting: 3/8 in OD x 3/8 in OD x 1/8 in Pipe Size, Compression x Compression x NPT (MPN LQ3B3C-MN). Key specifications — Series: LQ3; Brand: SMC; Standards: RoHS6, RoHS10.
SMC High Purity Fitting: 3/4 in OD x 1/2 in OD x 1/2 in OD Size, PFA (MPN LQ3T5A-R7). Key specifications — Series: LQ3; Brand: SMC; Standards: RoHS6, RoHS10.
SMC
SMC High Purity Fitting: 3/4 in OD x 1/2 in OD x 1/2 in OD Size, PFA (MPN LQ3T5A-R7). Key specifications — Series: LQ3; Brand: SMC; Standards: RoHS6, RoHS10.
SMC High Purity Tube Fitting: 1/4 in OD x 1/4 in OD Size, Compression x Compression, PFA (MPN LQ3E2A). Key specifications — Series: LQ3; Brand: SMC; Standards: RoHS_6, RoHS_10.
SMC
SMC High Purity Tube Fitting: 1/4 in OD x 1/4 in OD Size, Compression x Compression, PFA (MPN LQ3E2A). Key specifications — Series: LQ3; Brand: SMC; Standards: RoHS_6, RoHS_10.
SMC High Purity Tube Fitting: 1/2 in OD x 3/8 in OD Size, Compression x Compression, PFA (MPN LQ3E4A-R1). Key specifications — Series: LQ3; Brand: SMC; Standards: RoHS_6, RoHS_10.
SMC
SMC High Purity Tube Fitting: 1/2 in OD x 3/8 in OD Size, Compression x Compression, PFA (MPN LQ3E4A-R1). Key specifications — Series: LQ3; Brand: SMC; Standards: RoHS_6, RoHS_10.
SMC Plug: 1/2 in Size, Compression, PFA (MPN LQ3-4P13-1). Key specifications — Series: LQ3; Brand: SMC; Standards: RoHS_6, RoHS_10.
SMC
SMC Plug: 1/2 in Size, Compression, PFA (MPN LQ3-4P13-1). Key specifications — Series: LQ3; Brand: SMC; Standards: RoHS_6, RoHS_10.