Two Ferrule Compression Fitting - A-LOK® Series #4SC4-316
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.
• Oil and Gas
• Research Labs
• Exceptionally wide choice of configuration styles;
Tube to male pipe
Tube to female pipe
Tube to tube unions
37˚ flare (AN) to A-LOK
Tube to O-ring seal
Tube to welded systems
• Parker Suparcase™ surface treatment process for superior material hardening
• Hardened ferrules provide leak free connections
• Silver plated nuts provide gall resistance during makeup
• Steam Service Lines
• Offshore Control Panels
• Sensing Lines