Instrumentation Tube Fittings can handle highest pressure. it come with lifetime replacement warranty and NACE 3.1 Certifications. Kinnari steel are manufacturers and suppliers of Instrumentation Tube Fittings. KSLOK Tube Fittings are manufactured to provide compatibility and equivalence with Swagelok and Parker Alok Fittings. Standard material is Brass & Stainless steel. However our specialization is in exotic alloys such as Monel, Inconel , Hastelloy, Titanium, Duplex, 254 SMO etc.