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Tube to Tube Union - A-LOK Series
Brand: A-LOK - by ParkerParker’s A-LOK® two ferrule compression tube fittings are designed to provide reliable leak-free connections for instrumentation, process and control, and analyzer applications that specify a two ferrule system.
Manufactured to the highest quality standards, these tube fittings are available in a broad range of sizes, corrosion resistant materials and configurations.
As standard, Parker’s A-LOK® tube fitting are manufactured from heat code traceable 316 stainless steel. Other materials include 6Mo, Alloy 825, Alloy 625 and Alloy C-276.
Straight fittings are machined from cold finished bar stock, while shaped bodies are machined from close grain forgings.
The fittings are available for imperial pipe sizes from 1/16” through to 2” O.D., and for metric sizes from 2 mm through to 25 mm O.D.
Features- Exceptionally wide choice of configuration styles
- Tube to male pipe
- Tube to female pipe
- Tube to tube unions
- Port connectors
- 37˚ flare (AN) to A-LOK
- Tube to O-ring seal
- Tube to welded systems
- Analytical fittings
- Barbed fittings
- Wide range of Corrosion Resistant Alloys available
- EC79 Approved for Hydrogen Service
- Parker Suparcase™ surface treatment process for superior material hardening
- Hardened ferrules provide leak free connections
- Silver plated nuts provide gall resistance during makeup
Specifications
Brand
Connection 1 Size
- 6 mm, 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm
- 3/4”, 1”, 1/8”, 3/8”, 1/2”, 1/16”, 1/4”, 5/8”, 5/16”
Connection 2 Size
- 6 mm, 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm
- 3/4”, 1”, 1/8”, 3/8”, 1/2”, 1/4”, 5/8”, 1/16”, 5/16”
Connection 3 Thread Size
- 10 mm, 12 mm, 20 mm, 25 mm, 6 mm, 8 mm
- 3/8”, 1/2”, 1/4”, 3/4”, 1”, 5/8”, 5/16”
Fitting Type
- Compression / Flareless
Material of Construction
- 316 Stainless Steel, Alloy 625, 6Mo, Alloy 825, Brass, Alloy C-276, Steel
Product Style
- Components, Port Connectors
- Tube to Tube
- Tube to O-Ring Seal
- Tube to Tube Unions
- Tube to Male Pipe
- Tube to Female Pipe
- Tube to Welded Systems
- 37° Flare (AN) to A-LOK
Shape
- Back Ferrule
- BSPP Gauge Connector
- Female Bulkhead Connector
- Bulkhead Union
- Cap, Drop Size Tee
- Ferrule Set, Front Ferrule, Front Ferrule
- BSPP Male Connector or with ED Seal
- Gauge Connector
- Male Bulkhead C
- 37 Flare to Compression
Tube O.D.
- 3/4”, 1”, 1/8”, 3/8”, 1/2”, 1/16”, 1/4”, 5/8”, 3/4”, 5/16”, 12”, 10”, 20”, 8”, 25”, 16”
- Instrumentation Hook-up Systems
- Analytical Installations
- CNG / LNG Lines
- Hydrogen Service
- Offshore Control Panels
- Sensing Lines
Documentation
Compliance, Certifications, & Safety
- ABS 14-B12650558-X1 PDA Listing pdf 317 KB
- ABS A-LOK Certification pdf 158 KB
- ABS Product Design Assessment - A-LOK Tube Fittings pdf 229 KB
- Certificate of ECE R110 Compliance pdf 333 KB
- DNV Certificate - A-LOK pdf 171 KB
- DNV Type Approval A-LOK pdf 173 KB
- EC79 Certicate pdf 229 KB
- IATF 16949 Certification pdf 1.1 MB
- Lloyds Register - A-LOK Type Approval pdf 478 KB
- TUV Certificate - A-LOK Interchanging and Intermixing pdf 67 KB
Literature & Reference Materials
- A-LOK Assembly and Remake Instructions Wall Chart--4190-1 pdf 647 KB
- A-LOK Tube Fittings Chart pdf 981 KB
- A-LOK® Double Ferrule Tube Fittings pdf 86 KB
- ABS 14-B12650558-X1 PDA Listing pdf 317 KB
- Alternative Fuel: CNG Vehicle and Fueling System Solutions --4660-CNG Alternative Fuel pdf 2.0 MB
- CAT-4100-UK - Industrial Tube Fittings pdf 117.0 MB
- Cat/4190-FMTG Fittings Materials & Tubing Guide pdf 17.9 MB
- Catalog 4200-PC/USA pdf 7.1 MB
- FC Series - Flange to Compression Connectors pdf 298 KB
- Instrumentation Quick Couplers--4190-QC pdf 1.1 MB
- Material Specification Data Sheet - BUL 4190-MS pdf 363 KB
- Materials Capability for Small Bore Tubing Systems pdf 4.2 MB
- Nuclear Power Solutions Brochure (English) pdf 691 KB
- Parker Instrument Tubing pdf 2.6 MB
- Parker Tube Fitting Installation Manual BUL4200-B4/USA pdf 4.0 MB
- Parker Tube Fittings-CAT/4230-4233/USA pdf 4.9 MB
- Smarter Materials for Corrosion Control pdf 989 KB