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
HAM-LET Compression Fitting Union: 12 mm OD x 1/2 in OD Fitting Size - Double-Ferrule Stainless Steel Fittings
HAM-LETDouble-Ferrule Stainless Steel Fittings

HAM-LET Compression Fitting Union: 12 mm OD x 1/2 in OD Fitting Size

The HAM-LET Compression Fitting Union is a double-ferrule stainless steel fitting with a 12 mm OD x 1/2 in OD fitting size and Compression x Compression type (MPN 775L SS 12MM X 1/2). It is compatible with Swagelok…

SKU 3G-OTH-471231

Brand
HAM-LET
Item
Compression Fitting Union: 12 mm OD x 1/2 in OD Fitting Size
Category
Double-Ferrule Stainless Steel 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

HAM-LET
Manufacturer Part Number
775L SS 12MM X 1/2
Type
Compression x Compression
Compatible Fitting Brands
Swagelok
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

HAM-LET Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HAM-LET Compression Fitting Union is a double-ferrule stainless steel fitting with a 12 mm OD x 1/2 in OD fitting size and Compression x Compression type (MPN 775L SS 12MM X 1/2). It is compatible with Swagelok fitting brands, supporting reliable connections in industrial fluid systems.

Frequently Asked Questions

What is a HAM-LET compression fitting union used for?

A HAM-LET compression fitting union connects two tubes of different sizes — 12 mm OD and 1/2 in OD — in industrial fluid systems. Its double-ferrule stainless steel design provides leak-tight, vibration-resistant joints in instrumentation, chemical, and hydraulic applications where Swagelok-compatible connections are required.

What are the specifications of the HAM-LET 775L SS 12MM X 1/2?

The HAM-LET 775L SS 12MM X 1/2 is a double-ferrule stainless steel compression union with a 12 mm OD x 1/2 in OD fitting size and Compression x Compression type. It is compatible with Swagelok fitting brands, making it suitable for high-pressure fluid systems in process industries.

Where to buy HAM-LET compression fittings worldwide?

3G Electric supplies HAM-LET compression fittings like the 775L SS 12MM X 1/2 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on this double-ferrule union or other Swagelok-compatible components.

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

To install a HAM-LET double-ferrule compression fitting, 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 the manufacturer's torque guidelines for leak-free connections in stainless steel systems.

Used in

Common applications for HAM-LET
Oil and gas — HAM-LET H99 Series needle valves for instrument isolation in high-pressure lines
Chemical processing — HAM-LET H-400 Series check valves for backflow prevention in corrosive fluid systems
Semiconductor manufacturing — HAM-LET EVZS4R-BV diaphragm valves for ultra-high-purity gas distribution
Power generation — HAM-LET H-6800 Series three-way ball valves for cooling water flow switching
Analytical instrumentation — HAM-LET H300U Series metering valves for precise flow regulation in lab gas systems
Hydraulic systems — HAM-LET H-410 Series poppet check valves for load-holding in hydraulic circuits

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.

You might also need

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

More from HAM-LET

View all HAM-LET parts →
HAM-LET Compression Fitting Adapter: 1/8 in OD x 1/8 in OD Fitting Size, Tube x Tube (MPN 765L SS 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 1/8 in OD x 1/8 in OD Fitting Size, Tube x Tube (MPN 765L SS 1/8). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET.
HAM-LET Compression Fitting Union: 1/4 in OD x 8 mm OD Fitting Size, Compression x Compression (MPN 763L-SS-8MM X 1/4). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Union: 1/4 in OD x 8 mm OD Fitting Size, Compression x Compression (MPN 763L-SS-8MM X 1/4). Key specifications — Compatible Fitting Brands: Let-Lok; Brand: HAM-LET.
HAM-LET Compression Fitting Cap: 1/2 in OD Fitting Size, Compression, Stainless Steel (MPN 7108L SS 1/2). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Cap: 1/2 in OD Fitting Size, Compression, Stainless Steel (MPN 7108L SS 1/2). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 6 mm OD x 1/8 in Pipe Fitting Size, Compression x MBSPT (MPN 768LR SS 6 MMX 1/8). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 6 mm OD x 1/8 in Pipe Fitting Size, Compression x MBSPT (MPN 768LR SS 6 MMX 1/8). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Elbow: 1/2 in OD x 1/2 in OD Fitting Size, Compression x Compression (MPN 765L SS 1/2). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Elbow: 1/2 in OD x 1/2 in OD Fitting Size, Compression x Compression (MPN 765L SS 1/2). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Fitting Adapter: 3/8 in OD x 9/16 in Pipe Fitting Size, Tube x ORB (MPN 768LOB SS 3/8 X9/16-18). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET; Fitting Size: 3/8 in OD x 9/16 in Pipe.
HAM-LET
HAM-LET Compression Fitting Adapter: 3/8 in OD x 9/16 in Pipe Fitting Size, Tube x ORB (MPN 768LOB SS 3/8 X9/16-18). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Parker A-LOK; Brand: HAM-LET; Fitting Size: 3/8 in OD x 9/16 in Pipe.
HAM-LET Compression Fitting Adapter: 1/2 in OD x 3/8 in Pipe Fitting Size, Tube x MNPT (MPN 768L SS 1/2 X 3/8 TC). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Fitting Adapter: 1/2 in OD x 3/8 in Pipe Fitting Size, Tube x MNPT (MPN 768L SS 1/2 X 3/8 TC). Key specifications — Series: Let-Lok; Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET Compression Tee Fitting: 22 mm OD x 22 mm OD x 22 mm OD Fitting Size, Stainless Steel (MPN 764L SS 22MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.
HAM-LET
HAM-LET Compression Tee Fitting: 22 mm OD x 22 mm OD x 22 mm OD Fitting Size, Stainless Steel (MPN 764L SS 22MM). Key specifications — Compatible Fitting Brands: Swagelok; Brand: HAM-LET.