We offer DK-Lok tube fittings, instrument pipe & weld fittings, and valves that are manufactured to stringent industry standards. With the use of only the highest grade raw material and 1/1000" tolerance control on each and every part, DK-Lok assures a leak-tight seal in all process, power, and instrumentation applications.

DK-Lok Tube Fittings are manufactured in both double ferrule and single ferrule design. Tube Fittings are designed to connect tubing in various systems when media is conveyed from point A to B. DK-Lok Tube Fittings are available in many configurations and materials.


  • Simple to operate: Push to connect, pull body sleeve to disconnect.

  • SS316 construction with standard FKM O-ring.

  • Brass construction with standard NBR O-ring.

  • No tools required to connect and disconnect.

  • Compact and light weight.


  • Coupling: Align stem with body. Push stem into body until it clicks.

  • Discoupling: Pull body sleeve toward stem.

  • Coupling with an identical Series: i.e., Any DQSA Series stem fits any DQBA Series body.

  • Non-valve stem: DQSA, DQSB and DQSC Series will remain open while disconnected.

  • Do not connect or disconnect at pressures exceeding 250 psig (17.2 bar).

Poppet check valves



High Pressure

Lift Check




Utah Residual Chlorine Monitor, Q46H, Q45, ATi

The ATi model Q46H Chlorine Monitor (Analyzer, Transmitter) system uses a polarographic membraned sensor to measure chlorine directly, without the need for chemical reagents.

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Copyright 2014 -Trailblazer Controls Corp.

A-T Controls has made a name for themselves with their valve products.  In addition to ball valves, they manufacture butterfly valves, electric and pneumatic actuators and valve accessories.  With their complete line of valves they have a product offering sure to meet your requirements.

A-T Controls, Valve, Control, High Performance, Resilient, wafer, lug