June 2005
Marwin Valve's 40/41 Series Rotary Positioners
The 40 Series pneumatic (3-15 psi) and 41 Series electro-pneumatic (4-20mA) rotary positioners are advanced control devices which provide unparalleled stability in difficult environments.
The 40/41 Series comes standard in a rugged aluminum housing with a triple corrosion-resistant interior and exterior coating that resists harsh environments.
The bleed pilot valve reduces air consumption by more than 50%.
The 41 Series has a unique magnetic 4-20mA I/P converter which provides automation compensation for supply pressure, atmospheric pressure and ambient temperature changes and is unaffected by electromagnetic fields.
Both Series have precision zero-hysteresis coupling system that provides superior accuracy and repeatability by eliminating "slop".
For more information, visit the company's web site at www.marwinvalve.com
Kyndle McMurry
Richards Industries
513-533-7345
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