Grundfos Dosing DMX 221 and 226 - versatility through choice! The Grundfos DMX is a series of high-quality mechanically actuated diaphragm pumps suitable for many uses, such as drinking water treatment, wastewater treatment, and the pulp/paper and textile industries. This series is designed to be highly versatile, which is reflected in the wide flow range covered and the choice of dosing head sizes, materials, and accessories available. If in doubt, ask us – we will help you configure the
DMX that is best for you.

Manual or remote reliable control DMX B models feature manual stroke length adjustment for a 10:1 turndown ratio. For additional control the DMX AR features a micro-processor controller with:
• precise and automatic proportional feed
• manual stroke-frequency control
• 0(4)-20 mA or pulse control
• menu-driven display with user-friendly interface
• low-level and empty output
• remote on/off control

Choose the materials – and size – that suit you. Both the DMX 221 and 226 liquid ends are available in
PVC, PVDF, polypropylene, and stainless steel. For additional output and flexibility, the DMX 226 is available in a duplex version.