The Dival 500 series are spring loaded, diaphragm-controlled regulators that are suitable for low, medium, and high pressure. Divals and shut-off device series regulators are supplied with internal sensing lines. Both the regulator and the shut-off device are preset for optional connection to an external sensing line.
They are widely used in both civil and industrial installations.
The special regulator design combined with a balanced plug:
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Reduced lock-up pressure zone and lock-up pressure
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Reduced response times
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No internal leakage at zero flow rate
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Fail open type
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Regular maintenance without disassembling the body from the pipework