Utility Valves

The DK-LOK® VG series needle valves are for use in general-purpose industrial applications to isolate or vent system media. The hardened stainless steel, non-rotating stem provides leak-tight shutoff and long service life. The stem threads are protected from the media by having the stem packing below the threads.  The valve incorporates a compact design with… Read more »

O-Ring Face Seal Fittings

DK-LOK® DO fittings are designed for quick assembly in pipe, tube, and welded systems. This design allows for simple installation in tight spaces. Axial clearance is not required for disassembly. The method of sealing is achieved by a captive O-ring in the body of the connection against a flat metal face. DO assemblies can perform… Read more »

V86 Series Ball Valves & VC86 Series CNG/NGV Valves

The DK-LOK® V86 Series Ball valves have high pressure capability up to 10,000 psi (689 bar) featuring a blowout proof design with internally loaded stem.  A variety of end connection types including compression, male and female NPT, male and female BSPT, female BSPP, and female SAE allow for wide system requirement connectivity.  Configurations include two… Read more »

DK-LOK® Double Block & Bleed Valves

DK-LOK® Double Block & Bleed valves provide positive shut-off of fluids and gases under extreme service conditions. DK-LOK® DBB products are manufactured to customer specifications.  Our Double Block & Bleed valves are available in an extensive range of designs, materials, sizes and pressure classes and are in full conformance with ASME, API and NACE specifications…. Read more »

DK-LOK® V63/66 Series Proportional Relief Valves

DK-LOK® V63/66 series proportional relief valves provide a wide range of set pressures in order to protect your systems against over pressurization resulting in damage to system components.  These proportional relief valves open in direct relation to how quickly the system inlet pressure overcomes the set pressure of the spring.  They close in direct relation… Read more »

Visit to DK-LOK® Headquarters

I traveled to DK HQ at the beginning of the year. I took the attached pictures to share with those who’ve not yet visited. This factory is so nice. It is truly a state-of-the- art facility. There are a lot of great things happening there. I wish I had taken pictures of their test lab…. Read more »

DK-LOK® High Pressure Products

DK-LOK® High Pressure Products are designed to meet the most demanding critical requirements of severe applications through ensuring the highest quality and reliable performance for fluid media control. DK-LOK® High Pressure valves and fitting components are available in stainless steel and alloy materials to handle pressures from vacuum to 150,000 psi (10,340 bar). Click here… Read more »

DK-LOK® Quick Connects

DK-LOK® Quick Connects allow for quick access in to your systems.  Options for shutoff are full flow, SESO (single end shutoff), and DESO (double end shutoff) with a wide range of end connection sizes from 1/16” compression tube and NPT to 1” compression tube and NPT with additional types of end connections available.  Stainless steel… Read more »

DK-LOK® Manifolds

DK-LOK® 2, 3 and 5 valve manifolds are designed for liquid level, static and differential pressure applications. They are available in flange to flange, flange to pipe, flange to tube compression and pipe to pipe connection configurations to meet your system connection needs.  Available in stainless steel and  carbon steel as standard.  Stem packing materials… Read more »

NEW VMH High Pressure Metering Valve (5,000 psig)

DK-LOK® USA is pleased to announce the the new VMH High Pressure Metering Valve designed to provide accurate and stable control of flow rates in analytical, instrumentation and research applications. The VMH High Pressure Metering Valve still retains most of the features found in the current VM Series (2,000 psig low pressure metering valve). The… Read more »