Kelly Valves Sales and Services also offers a variety of subs designed and manufactured to meet API 7-1 specs. Subs are available in multiple variations of connection types.

Crossover Sub

These crossover subs seamlessly connect various drill string components. Maximize efficiency and minimize downtime with this essential component in your drilling arsenal.

Saver Sub

Invest in the longevity of your drilling equipment with our Saver Sub. It minimizes shocks and vibrations so that your oilfield tools don’t endure so much wear and tear.

Top Drive Sub

Get precise rotational control with the Top Drive Sub. This means you can optimize your oil drilling performance even in the most challenging environments.

Lift Cap

Make your drilling operations safer and more efficient. The Lift Cap smoothly lifts and lowers hefty drill string components.

Bit Sub

The Bit Sub transfers energy safely and efficiently. This allows your drill bit to perform at its best in diverse environments.

Pump In Sub

The Pump In Sub efficiently controls the flow of drilling mud into the drill string. This ensures optimal cooling, lubrication, and cuttings removal.

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