Options

Double Block & Bleed

Double Block and Bleed is available on any size and pressure class.  A simple change to the core, adding a seal on both ends, will isolate the body cavity.  The body can then be vented and checked for pressure buildup verifying the double block.  In the event that a valve has trapped body pressure the self-relieving feature will equalize with the upstream side of the valve.  An important differentiation between the Chromatic DBB and a standard ball valve is how it relieves this pressure.  The standard double block and bleed valve is designed with self-relieving seats to the downstream side.  If a standard ball valve has a leaking upstream seat then upstream pressure can continually pass downstream.  The HCV maintains its Reliable Mechanical Wedge Seal on the downstream side providing a more effective seat.

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Coatings for Corrosion Resistance

Buried valves are susceptible to corrosion both inside and out.  To extend the life and owner investment the EBV can include any number of coatings to limit corrosion.

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Control

Many older pipeline systems have pump control valves in buried pipe systems.  The EBV can be designed with a control valve trim while maintaining the EXTENDED BODY feature.  The owner does not need to change his piping system or excavate a control valve for maintenance.  The valve can be equipped with any rotary actuator.

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Erosive Media

Engineered trim designs to handle the most aggressive conditions.  The Erosive Media trim includes hard coated materials for HEMI’s, seats and hardened wear sleeves to protect the body.

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Cavitation

The UNIQUE cartridge design allows the FCV to include an engineered CORE for cavitating fluids.  The CORE is designed to stage the pressure drop similar to linear style cages.

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