Parker A-Lok | Double Ferrule Tube Fitting
Reliable leak-free connections for instrumentation, process and control, and analyzer applications
Parker’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/Benefits:
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
Parker Suparcase™ surface treatment process for superior material hardening, Hardened ferrules provide leak free connections, Silver plated nuts provide gall resistance during makeup.
Applications:
Steam Service Lines
Offshore Control Panels
Sensing Lines
| Fitting Type | Compression |
|---|---|
| Tube Size | 3/4", 1", 1/8", 3/8", 1/2", 3/8", 1/16", 1/4", 6 mm, 12 mm, 1/2", 10 mm, 5/8", 3/4", 1/4", 20 mm, 8 mm, 5/16", 25 mm, 16 mm |
| Shape | 37 Flare to Compression, Back Ferrule, BSPP Gauge Connector, BSPP Male Connector, BSPP Male Connector with ED Seal, Bulkhead Union, Cap, Drop Size Tee, Female Bulkhead Connector, Ferrule Set, Front Ferrule, Front Ferrule , Gauge Connector, Male Bulkhead C |
| Connection 1 Size | 3/4", 1", 1/8", 3/8", 1/2", 3/8", 1/16", 1/4", 6 mm, 12 mm, 1/2", 10 mm, 5/8", 3/4", 1/4", 20 mm, 8 mm, 5/16", 25 mm, 16 mm |
| Style | 37° Flare (AN) to A-LOK®, Components, Tube to Female Pipe, Tube to Male Pipe, Tube to Tube Unions, Port Connectors, Tube to O-Ring Seal, Tube to Welded Systems, Tube to Tube |
| Connection 2 Size | 3/4", 1", 1/8", 3/8", 1/2", 3/8", N/A, 1/4", 1/2", 10 mm, 12 mm, 6 mm, 1/4", 5/8", 3/4", 1/16", 5/16", 20 mm, 25 mm, 8 mm, 16 mm |
| Connection 3 Thread Size (inch) | N/A, 3/8", 1/2", 1/4", 3/4", 1/4", 3/4", 1", 3/8", 1/2", 10 mm, 12 mm, 20 mm, 25 mm, 6 mm, 8 mm, 5/8", 5/16" |
| Material | 316 Stainless Steel, Alloy 625, 6Mo, Alloy 825, Brass, Alloy C-276, Steel |