DK-LOK® Featured Products

Fittings and Valves in Exotic Materials

Dk-Lok Tube Fittings and Accessories

In-stock exotic raw materials are on hand at DK-LOK® to allow us to act quickly to meet your delivery requirements. DK-LOK® fittings and valves are manufactured in Hastelloy, Monel™, Super Duplex, Duplex, Alloy 20, Titanium and Teflon™ Committed to Quality without Compromise Guarantees a leak-tight seal in process, power, and instrumentation applications. View Fittings and… Read more »

Stainless Steel Single Ferrule Tube Fittings

In stock and available for same day shipping Manufactured in sizes 1/8″ through 1 1/4″ Available in stainless steel, brass, carbon and some exotic alloys Compatible with Parker CPI™ Excellent gripping and sealing integrity across tubing wall thickness and outside diameter combinations of stainless steel tubing. View Stainless Steel Single Ferrule Tube Fittings Catalog

DK-LOK® Stainless Steel Double Ferrule Tube Fittings

In stock and available for same day shipping DK-LOK® two ferrule compression tube fittings with patented leading edge technology to ensure leak free and corrosion resistant performance.  The DK-LOK® two ferrule fitting delivers leak free performance as a PURE product, but also when intermixed in ANY combination with Swagelok® as proven by ASTM F-1387 third… Read more »

DK-LOK® Pipe Fittings

In stock and available for same day shipping DK-LOK® Instrumentation grade pipe fittings available up to 2″ DK-LOK® pipe fitting threads are cold rolled to strengthen thread and reduce galling Designed and rated specifically for working pressure meeting the requirements of ASME B31.3 processing Pipe Code Instrumentation Pipe & Weld Fittings Literature

DK-LOK® V96 Series Rising Stem Plug Valves

Our DK-LOK® V96 Series Rising Stem Plug Valves are designed with high and low pressure flow control systems in mind. Every valve is factory tested for leakage at the seat to a maximum allowable leak rate of 0.1 SCCM. Stem seals are tested to a requirement of no detectable leakage using a liquid leak detector…. Read more »

DK-LOK® Two Ferrule Tube Fittings

DK-LOK® two ferrule tube fittings are raising the bar! DK-LOK® two ferrule tube fittings incorporate the most ROBUST, FULL MASS back ferrule technology on the market. This back ferrule technology along with outstanding dimensional control allows DK-LOK® to perform leak free against ASTM F-1387 as a pure assembly and when intermixed with Swagelok®. Ask us… Read more »

DK-LOK® Two Ferrule Tube Fittings

DK-LOK® Two Ferrule Tube Fittings are raising the bar! DK-LOK® Two Ferrule Tube Fittings incorporate the most ROBUST, FULL MASS back ferrule technology on the market. This back ferrule technology along with outstanding dimensional control allows DK-LOK® to perform leak free against ASTM F-1387 as a pure assembly and when intermixed with Swagelok®. Ask us… Read more »

DK-LOK® Two Ferrule Tube Fittings

DK-LOK® two ferrule tube fittings are raising the bar!  DK-LOK® two ferrule tube fittings incorporate the most ROBUST, FULL MASS back ferrule technology on the market.  This back ferrule technology along with outstanding dimensional control allows DK-LOK® to perform leak free against ASTM F-1387 as a pure assembly and when intermixed with Swagelok®.  Ask us… Read more »

DK-LOK® V64 Series

DK-LOK® V64 Series, PED Certified Relief Valves. Wide Media Applications: Air, Gases, CNG, and Liquid relief applications.  High Performance Soft Seat: provides repetitive & reliable bubble-tight seal. Orifice: 0.404 in. (10.26 mm).  Working Pressure: 6,000 psi (413 bar).  Cracking Pressure Range:  15 to 5,500 psig (1.03 to 379 bar).  Pre-Set to desired crack pressure settings.