Capital Controls Series 70CV3000 Chloromatic Gas Flow Control Valve

Thursday, 14 January, 2010 | Supplied by: Severn Trent Services

The Capital Controls Series 70CV3000 Chloromatic Intelligent Gas Flow Control Valve is a wall-mounted system designed to control chemical feed in water or wastewater applications.

The series eliminates the need for continuous operator monitoring and manual adjustment of the gas feed rate resulting from changes in flow and/or residual levels. The automation of the chemical feed process will yield a reduction in gas consumption for water and wastewater utilities, since manual system feed rates are based on peak process conditions. The valve is used in conjunction with a vacuum regulator, gas flowmeter and an ejector to provide a complete disinfection system.

The control valve responds to multiple process signals from a water flow transmitter and/or chlorine residual analyser and is integrated with a microprocessor-based controller. It eliminates the need for a separate controller, so less equipment is required at installation, producing additional cost savings. The system also eliminates the requirement for a differential pressure regulator to hold the flow rate at the desired setting since the valve operates at sonic conditions, further reducing capital costs.

While the series features 10 range capacities up to 60 kg/h for chlorine, it is also suitable for use with sulfur dioxide, ammonia and carbon dioxide. The system comes standard with an 11-step calibration of the valve plug that yields a true gas flow retransmission signal and eliminates the need for a separate D/P transmitter.

It is field configurable for flow proportioning, residual, compound loop or feed forward control.

Phone: +603 7727 6729
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