DK-LOK® Stainless Steel Double Ferrule Tube Fittings

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 party TUV… Read more »

DK-LOK® Pipe Fittings

photo of high pressure tube 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

Photo of V96 Duo 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.

DK-LOK® High Pressure Series Fittings and Valves

photo of high pressure valves

The DK-LOK® High Pressure Series has been developed to satisfy customer requests for high pressure application. DK-LOK® MP & HP Fittings and Valves are manufactured from 316 cold-worked stainless steel meeting NACE MR 0175. DK-LOK® HP Valves are designed to operate safely and reliably against Medium Pressure for 20,000 psig service and High Pressure for 30,000… Read more »

DK-LOK® VH36 and VCH36 Series Check Valves

photo of vh36 vch36 fitting

VH36 Series High Pressure Check Valves / VCH36 Series CNG/NGV Check Valves operate to 6,000 PSI with a blowout proof bonded poppet seal. Seal materials are Viton (standard), HNBR (CNG) with optional EPDM and Kalrez to meet your application requirements. Sour Gas option to meet NACE MR0175. The CNG version carries ECE R110, ANSI / AGA NGV 3.1-1995/CGV… Read more »