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Drylok™ is designed to safely transfer hazardous corrosive, volatile liquids such as acids, solvents and petrochemicals.

An interlocking handle averts accidental spills by preventing uncoupling while the valve is open. And, the unit’s flat face minimizes fluid loss, further reducing exposure to risk during operation.

Drylok™ is ideal for all kinds of hazardous fluids where product loss is a problem, such as high-pressure lines, high flow rates, slurries, and gases.

Below is a listing of some of the applications/products that have successfully used Dryloks.

Chemical Application
Aniline Tank Cars
Butadiene Tank Cars
Caustic Tank Cars
Ethylene Oxide (EO) Tank Cars
Formaldehyde Tank Cars
Glycol (deicing fluids) Tank Trucks 
Nitirc Acid Tank Truck
Sulfuric Acid (H2SO4) Tank Cars
Sulfuric Acid (spent and Refined  Tank Truck 

Features & Benefits
  • One of the driest disconnects in the industry – Less than ½ ml of fluid loss from a 2" unit (less than 0.10 of a teaspoon).
  • Various sizes available - 1", 2" and 3"
  • Durable design - Stainless-Steel, Alloy 20 OR Hastelloy C construction
  • Super-Pak Adjustable packing with V-type material provides a continuous compression, emission-free seal on handle shaft (2” & 3” only).
  • Unprecedented safety – Meets or exceeds today's stringent emission and worker safety requirements.
  • Fully interlocked. Double Safety System. Cannot be opened unless connected to mating fitting.
  • Optimum flow rate – less obstruction in easy-flow interior optimizes the flow rate in high-pressure or high-viscosity applications.
  • Ease of use – Simple handle action connects valve to coupler and opens and closes the flow.
  • 360° orientation ensures proper seating and alignment.
  • Ease of maintenance. Standard o-ring seals make maintenance simple, easy, and cost-effective.
  • AAR approved
  • CRN approved

Recommended products for replacement

    Technical Information

    Available sizes
    Available in 1½”, 2" and 3” Sizes.

    Available in 316 Stainless Steel, Alloy 20, Hastelloy C.

    Seal Materials
    Standard O-rings (Flurocarbon).

    End Connections
    NPT, BSP, ANSI Flanged, BW and SW end connections.

    Flow Characteristics

    Temperature Rating/Seal Material






    AAR Number Description
    E129503 5670 Series Drylok Adapter – Flanged


    CRN Number Region Description
    0H09640.21 British Columbia 1”,2”,3” SST
    0H09640.2 Alberta 1”,2”,3” SST
    0H09640.23 Saskatchewan 1”,2”,3” SST
    0H09640.24 Manitoba 1”,2”,3” SST
    0H09640.25 Ontario 1”,2”,3” SST
    0H09640.26 Quebec 1”,2”,3” SST
    0H09640.27 New Brunswick 1”,2”,3” SST
    0H09640.28 Nova Scotia 1”,2”,3” SST
    0H09640.29 Prince Edward Island 1”,2”,3” SST
    0H09640.20 Newfoundland 1”,2”,3” SST
    0H09640.2N Nunavut 1”,2”,3” SST
    0H09640.2T Northwest Territories 1”,2”,3” SST
    0H09640.2Y Yukon Territory 1”,2”,3” SST


    Ordering Information

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