Non-rotating stem tip at closure for long-life and leak-tight shutoff, with Chevron PTFE packing design provides far improved sealing integrity while packing below stem threads is to isolate threads from system fluid and lubricant washout, while packing bolt permits stem packing adjustment Standard Lock plate ensures the valve fastened to the body even when excessive… Read more »

Brass and Carbon Tube Fittings

Offering a wide variety of Brass and Carbon tube fittings Designed using industrial codes and specifications with additional Cutting-Edge Engineering on swaging action and sealing integrity Provides excellent leak-free sealing on high pressure gas, vacuum, impulse, thermal shock, heavy vibration, and many other stringent applications View Tube Fittings Catalog

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 »


In order to continue to establish and maintain DK-Lok’s position as an industry leader for providing the highest quality products across ever demanding industry applications, DK-Lok operates with an eternal continuous improvement ideology. DK-LOK® products are developed, manufactured and tested to meet and exceed the requirements of various industry applications around the globe. Clients rely… Read more »

Solar Power International 2019

DKLOK® USA will be exhibiting at Solar Power International 2019 on September 23-26 in Salt Lake City, Utah. It is the largest solar event in North America and part of North America Smart Energy Week. Click HERE to view our profile, interactive map, and event updates. Stay tuned!