Combine with Super Flangeless™ nut for a high pressure holding flat-bottom fitting assembly
Lock ring eliminates tubing twist that can loosen connections
Resistant to loosening through vibration
Super Flangeless™ ferrules combined with nuts are an excellent choice for tubing assemblies and will stay tight even through vibration. Ferrules come with lock ring to hold the ferrule in place, preventing the nuts from sliding off in tubing assemblies. The lock ring also allows tightening without twisting the tubing.