Mark 708 series of LowFlow valve from Richards Industrials is a fractional flow control valve which is able to provide accurate and precise control for your liquid or gas application. In fact it was developed to provide the most accurate control available for fractional control services.
Mark 708 series is a complete range of pneumatically or electronically actuated control valves to allow precision on your most critical micro flow applications. It features as standard the quick change trim, for applications requiring frequent trim changes without disturbing the actuator settings. The secondary stem connection eliminates stroke adjustment when changing trim; facilitating fast, easier trim changes (not available on Cv’s below 0.05)
Cv's range from 0.00001 to 4.0 available in DN8, DN15, DN20 or DN25 sizes (1/4” to 1").
708 series is available with a wide range of process connections including threaded (NPT, BSPT, BSPP), socket weld, tube end or welded flanged (ANSI, DIN, JIS).
Various diaphragm, body/bonnet, trim, actuator and stem materials exist.
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