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Critical Process Control
mRoy MRA Series
mROY series model A metering pump is controlled-volume, hydraulically-actuated diaphragm pump that is designed for consistent chemical delivery. Its compact design contains a plunger that reciprocates at a fixed stroke, displacing a fixed volume of hydraulic fluid and thereby actuating a flexible, chemically inert PTFE diaphragm to create the pumping action. Designed to meet global industry standards, model A provides accurate dosing of a broad spectrum of fluids. Like all mROY metering pumps, model A is built to run continually all year long with preventative maintenance, leading to decades of consistent performance.
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Hydraulically balanced PTFE diaphragm, designed for 96,000 hours operating life, does not use seals and eliminates plunger packing maintenance.
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Liquid end bleed system makes it easier to commission a new or a newly maintained pump.
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Worm and pinion drive operating in an oil bath lubrication produces a smooth mechanical motion that eliminates wear and tear of mechanical lost motion designs and assures long gear and bearing life.
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Dust-tight cast iron housing provides a rugged enclosure for operation in the harshest plant and field environments.
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Micrometer capacity adjustment enables accurate output flow control.
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Internal hydraulic pressure relief valve automatically protects the pump’s hydraulic system from over pressure conditions.
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High-performance, adjustable, cartridge-type check valves provide positive, repeatable sealing on every pump stroke.
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The pump meets standards for API 675.
