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

photo of Z Series component parts

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® V96 Series Rising Stem Plug Valves

Photo of v96 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 »


Cover page for ASTM F-1387 Intermix Test

In order to continue to establish and maintain DK-LOK®’s position as an industry leader in providing the highest quality products across ever-demanding industry applications, DK-LOK® operates with an eternal continuous improvement ideology. DK-LOK® develops, manufactures, and tests its products to meet and exceed the requirements of various industrial applications around the globe. Clients rely on… 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!

DK-LOK® Two Ferrule Tube Fittings

photo of assorted 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 »

2019 Offshore Technology Conference (OTC)

The 2019 Offshore Technology Conference (OTC) will take place May 6 – May 9, 2019, in Houston, Texas at NRG Park.  DK-LOK® USA will be in booth number 2767.  Join DK-LOK® while they meet with other energy professionals who are exchanging ideas and opinions to advance scientific and technical knowledge for offshore resources and environmental matters.

DK-LOK® V64 Series

photo of v64 relief valve

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.