HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Let-Lok Double-Ferrule Stainless Steel Tee

The HAM-LET Compression Tee Fitting (MPN 771L SS 3/4 X 3/4) is a double-ferrule stainless steel fitting from the Let-Lok series, sized 3/4 in OD x 3/4 in Pipe x 3/4 in OD. It is compatible with Parker A-LOK fittings…

SKU 3G-OTH-471683

Also listed as: 771LSS34X34 · 771L SS 3 4 X 3 4 · 771L-SS-3-4-X-3-4

Brand

HAM-LET

Item

Let-Lok Double-Ferrule Stainless Steel Tee

Part Number

771L SS 3/4 X 3/4

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

HAM-LET

Manufacturer Part Number

771L SS 3/4 X 3/4 

Series

Let-Lok 

Type

Stainless Steel 

Fitting Size

3/4 in OD x 3/4 in Pipe x 3/4 in OD 

Compatible Fitting Brands

Parker A-LOK 

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

HAM-LET Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the HAM-LET Compression Tee Fitting used for?

The HAM-LET Compression Tee Fitting (771L SS 3/4 X 3/4) creates secure branch connections in industrial fluid systems. It joins three tubes or pipes—two 3/4 in OD tubes and one 3/4 in pipe—using double-ferrule technology for leak-free performance in instrumentation, chemical, and gas applications.

What are the specifications of the HAM-LET 771L SS 3/4 X 3/4?

This double-ferrule stainless steel tee from the Let-Lok series has a fitting size of 3/4 in OD x 3/4 in Pipe x 3/4 in OD. It is compatible with Parker A-LOK fittings and carries MPN 771L SS 3/4 X 3/4. The HAM-LET brand ensures reliable tube connections in demanding environments.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings like the 771L SS 3/4 X 3/4 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team for a quote and lead time on this double-ferrule stainless steel tee fitting.

How to install a HAM-LET double-ferrule compression fitting?

To install the HAM-LET Let-Lok tee, insert the tube fully into the fitting, then tighten the nut finger-tight. Use a wrench to turn the nut 1-1/4 turns past finger-tight for proper ferrule swaging. Always follow manufacturer guidelines and use compatible tubing to ensure a leak-free seal.

Used in

Common applications for HAM-LET

Oil and gas — HAM-LET high-pressure needle valves and single-valve manifolds for wellhead control panels and sampling systems.

Chemical processing — Let-Lok double-ferrule fittings in 316L stainless steel for corrosive fluid transfer lines and dosing skids.

Semiconductor fabrication — HAM-LET diaphragm valves and high-purity fittings for ultrapure water and specialty gas delivery.

Analytical instrumentation — HAM-LET metering valves and compression fittings for GC, HPLC, and mass spectrometry sample handling.

Power generation — HAM-LET ball valves and manifolds for steam and water sampling in boiler and turbine systems.

Research laboratories — HAM-LET needle valves and tube adapters for bench-scale gas and liquid flow control rigs.

Not sure this is the right part? Photo-identify it→

HAM-LET Products

3G Electric supplies HAM-LET double-ferrule stainless steel fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all HAM-LET products →Contact our engineers →