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To verify ball valve wall thickness, calculate the minimum required wall at each critical location, include the specified corrosion allowance,...

Short answer: first confirm that fluid is really passing through the valve. Then check whether the valve stem and ball...

Ball valve stem leakage after thermal cycling is usually caused by a loss of packing pressure. Heating and cooling can...

A ball valve that seals from one side but leaks when pressure is reversed may be directional by design, installed...

Quick answer: A closed ball valve can trap liquid between its two seats. If the liquid warms, leaks in from...

For a clean ball valve in normal on-off service, use 1.20 to 1.30 as an initial actuator sizing range. For...

Calculate ball valve MAST by checking the valve manufacturer’s allowable torque, the strength of the weakest stem section, the internal...

A ball valve usually becomes hard to operate because friction inside the valve has increased or the actuator can no...