DK-LOK Fittings & Valves
DK-LOK® fittings and valves are manufactured to the most stringent industry standards. As a result, DK-LOK® is one of the most certified tube fitting and valve manufacturers in the world. Their guarantee is a leak-tight seal in process, power, and instrumentation applications. DK-LOK's commitment is to provide our clients reliable products and unparalleled customer service. 

​DK-LOK® Fittings and Valves looks forward to creating a solution for whatever need you may have!
Compression Tube Fittings
  • Tube to Tube Configurations
  • Tube to Male Pipes
  • Tube to Female Pipes
  • Tube Stub Connectors
  • Dk-Lok Flanges
  • Tube to AN Tubes
  • Tube to Non-Positionable O-seal Ends
  • Tube to Positionable Straight Threads
  • Tube to Weld Ends
  • Plugs, Caps, Inserts
  • Additional Products
  • Spare Parts
  • Tools
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Instrument Pipe and Weld FittingS
  • Instrument Pipe Fittings
  • Instrument Weld Fittings
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Ball/Plug Valves​
  • V81 Series Ball Valves
  • V82 Series Ball Valves
  • V83 Series Swing-Out Ball Valves
  • V86 Series Ball Valves, VC86 Series CNG/NGV Ball Valves
  • VH86 Series Multi Purpose Ball Valves
Needle Valves​
  • V15 Series Needle Valves
  • V16 Series Severe Service Union Bonnet Valves
  • VB16 Series Integral Bonnet Needle Valves
  • V46 Series Gauge Root Valves
  • V46A Series Hex. Body Needle Valves
  • V96 Series Rising Stem Plug Valves
  • VEX110 Needle Valves
  • V103 Series Toggle Valves
  • VG16 Series General Utility Service Needle Valves
Check Valves​
  • V33 Series Poppet Check Valves
  • VA33 Series Adjustable Check Valves
  • VP33 Series 1-Piece Check Valves
  • VH36 Series High Pressure Check Valves
  • VL36 Series Lift Check Valves
Relief Valves​
  • V63 & V66 Relief Valves Series
  • ​V61 Series Vent Relief Valves
Bellows Valves
  • V13W Series Bellows Valves: offers the most difficult fluid handling applications. This design with the secondary sealing system fits to the need for a safe and reliable system.
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Bleed/Purge Valves
  • VBV Series Bleed Valves
  • VPV Series Purge Valves
Metering Valves
  • VM1D Series Metering Valves
    • Working Pressure: 2,000 psig (137 bar)
    • Orifice: 0.032 inch (0.81 mm)
    • Stem Taper: 1°
    • Cv Factor: 0.004
    • Turns to Open: 8 to 12
    • Internal Volume: 0.006 cu in (98 cu mm)
    • Flow Shut Off: No
  • VM3D Series Metering Valves
    • Working Pressure: 1,000 psig (38.9 bar)
    • Orifice: 0.056 inch (1.42 mm)
    • Stem Taper: 3°
    • Cv Factor: 0.03
    • Turns to Open: 8 to 10
    • Internal Volume: 0.028 cu in (460 cu mm)
    • Flow Shut Off: No
  • VM6D Series Metering Valves
    • Working Pressure: 1,000 psig (38.9 bar)
    • Orifice: 0.128 inch (3.25 mm)
    • Stem Taper: 6°
    • Cv Factor: 0.16
    • Turns to Open: 10 to 11
    • Internal Volume: 0.035 cu in (570 cu mm)
    • Flow Shut Off: Yes
    • VM6D Series in use for shutoff in vacuum or gas, or for repetitive shutoff in liquid are not recommendable
Diaphragm Valves
VD3 Series Diaphragm Valves
  • It is featured that the diaphragm valve serves economical, high performance and high cycle life time.
  • The diaphragm valve is used for shut-off, isolation in gas control systems, and analyzer sampling systems.
  • The valve ensures positive and consistent shut-off with manual and offers a metal to metal seal to atmosphere for leak integrity with thin plate diaphragm
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Quick Connects
  • DQ Series Quick Connectors
  • DF Series Full Flow Quick Connectors
  • DQVP Series Quick Connects
  • GJ Series Connections
Manifolds
  • V56 series Instrument Manifolds
  • V46/V56 Manifolds Accessories
JIS & KS Fittings
  • Union Fittings
  • Elbow Fittings
  • Tee Fittings
  • Connector Fittings
  • Adapter Fittings
  • Valves
  • Jig Fittings
  • Nuts
  • Sleeve Fittings
  • Reducer Fittings
  • BC Series Metric Caps
  • BP Series Metric Plugs
DK-LOK® Clean Fittings
  • Clean Weld Fittings
  • Metal Gasket Face-Seal Fittings
DK-LOK® DO Series O-Ring Face Seal Fittings
  • DOG Series O-Ring Face Seal Fittings
  • DOB Series O-Ring Face Seal Fittings
K Series JIC Tube Fittings, SAE J514 37° Flared
  • Tube to Tube Union
  • Tube Port to Tube Port
  • Tube to Male Pipe
  • Tube to Female Pipe
  • Tube to Straight Thread
  • Swivel Fittings
  • Cap and Plug
  • Spare Parts
DK-LOK® Ultra-Torr Vacuum Fittings
  • ​DKUT Union
  • DKUT Reducing Union
  • DKUT Union Elbow
  • DKUT Union Tee
  • DKUT Male Connector
  • DKUT DK-LOK® Tube Fitting Union
  • DKUT Adapter
  • DKUT Nut
  • DKUT O-Ring
​DK-LOK® Push-On Hose Fittings
  • DK-LOK® Tube Fitting
  • DK-LOK® Tube Adapter
  • Union Barb to Barb
  • Male Connector w/ Male Pipe Thread
DK-LOK® Filters, V73 / V76 Series
  • V73 Series In-Line Filters
  • V76 Series Tee Filters
  • Field Assembly Kit
Contact us for more information or if you are ready to place an order.

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