DUALCO  valve fittings and adapters have a proven history of quality performance and are well suited for a wide variety of applications. Many DUALCO products have been in use for over 60 years.

Bleeder Plug Fittings & Internal Check Valves

Bleeder Plug Fittings & Internal Check Valves

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Couplers, Adapters & Fittings

Many types & materials are available

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Giant Button Head Fittings

High Pressure Single & Double Ball Check

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Injection Fittings • Lube Stick

High Pressure Single & Double Ball Check

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Lock Seal & Packing Injection Fittings

Lock Seal & Packing Injection Fittings - Single & Double Ball Check

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Lubrication Sealant & Blowdown Fittings

High Pressure Autoclave and Blowdown Models

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Packing Stick Injection Tool

Packing Stick Injection Tool

Fast & simple Injection of “B” size sticks into a variety of valves

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Piggy Back Adapter Fittings

For emergency valve lube, when primary valve lube fittings cannot be replaced

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Pressure Releasing Tools

Many types & materials are available

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Valve Lubrication Adapter Kits

VLA Kits allow qualified personnel to perform routine and/or emergency valve maintenance on pipeline valves in the field
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Vent Cap Fittings

Vent Cap Fittings

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DUALCO has been producing
professional lubrication products
since 1960.
Made and assembled in the USA.
100% repairable and recyclable.