Difference Between Lined Ball Valves & An Unlined Ball Valves

By Author: Nobleglass
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Lined Ball Valves are a type of ball valve that consists of a body, stem, ball, seat, and lining.

The interior is totally lined with a high-quality PTFE or PFA lining material, and because of its thickness, it completely protects the valves from any chemical corrosion, making it a perfect choice for any harsh applications.

They are also called Shut Off valves because some manufacturers feature a free-floating ball design that facilitates Positive shut–off over the pressure range.

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Difference between a Lined Ball Valve & an Unlined Ball Valve:

Lined ball valves perform the same duties as unlined valves, but are a more cost-effective choice for chemical and severe corrosive applications that require long-term sealing and durability. They are long-lasting and dependable, even after numerous cycles, making them an excellent choice for shutdown and control applications.

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They may be installed without regard for flow ...
... direction and are suitable for automation since they have an ISO 5211 universal mounting pad that enables easy automation even with the valve in the pipeline. The stem design has an anti-blow out function to increase safety, and each lined ball valve has its own anti-static mechanism to defend against potentially deadly electrostatic discharges.

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Some additional key benefits include;

● You can factory-assemble the Pneumatic actuators,
● Provides superior resistance for chemicals;
● Highly durable and thermal resistant;

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● Basic (Organic & Inorganic)
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● Downstream Processing