DMX and DMH

Features and benefitsDMX and DMHDMHStrong piston/diaphragm dosingfrom 2.2 to 2* x 1150 l/h.Enjoy the Teflon ® effectThe DMH pumps can shrug off almost anything. Theyare fitted with Teflon ® (PTFE) diaphragms, and theparts that come into contact with the liquids dosed areavailable in material combinations to suit virtually alldosing scenarios.Ready for tough applicationsThe tough application areas within the oil refineryindustry can also benefit from the Grundfos DMHrange: several models have been designed andapproved in accordance with API 675.*All DMH pumps are available with two dosing heads.TM03 2133 3705Fig. 2 DMHThe preferred choice for complex tasksThe Grundfos DMH range is a series of extremelystrong, robust pumps for situations where you need asubstantial dosing range and high-pressure capability.The pumps are accurate to within ±1 per cent of therated flow, making the DMH series the preferred choicefor complex tasks and automatic process integration.And their strength is a matter of public record: Customersworldwide have enjoyed years of trouble-free operationfrom their DMH pumps.Get the pump configuration you needA number of different product configurations are availableto match your requirements. For example, you canchoose between electric or pneumatic servomotors, optfor an AC inverter-controlled motor, pick special dosingheads with electrical heating, or have your pumps fittedwith double diaphragms with failure indication. If indoubt, ask your Grundfos consultant to help you choosethe best configuration for the task.Prepared for extreme situationsAMS diaphragm protection keeps both the pump andoverall application protected against extensive highpressures in the event of blockages in the dischargeline. Similarly, pressure-relief valves guard the pumpagainst excessive pressure in the system.Stroke-length adjustment ensures precise dosingVery precise and accurate stroke-length adjustment,with setting carried out using a Vernier scale, bringsyou optimum dosing with a repeatability of only ±1%.4