{"product_id":"grundfos-dde-200-4-ar-control-digital-dosing-pump-wastewater-chemical-dosing","title":"Grundfos DDE 200-4 PVC AR Control Digital Dosing Pump for Wastewater Chemical Dosing","description":"\u003cp\u003eHigh-volume chemical dosing in industrial water treatment and process applications define the position of this configuration in the Smart Digital XL series. This system is intended for industrial users who need to move significant dosing volumes with integrated system feedback to support reliable operation.\u003c\/p\u003e \u003cp\u003ePowered by a 62 W motor, the pump achieves a maximum dosing capacity of 200.0 L\/h at a 4 bar maximum pressure. It features an 800:1 turn-down ratio, allowing the system to operate at a minimum flow of 0.25 L\/h, providing the hydraulic strength required for large-scale dosing while maintaining precise digital control.\u003c\/p\u003e \u003cp\u003eThe hydraulic assembly utilises stepper motor technology to provide smooth and continuous dosing. The AR control variant includes pulse input, 4-20mA input, and two potential-free output relays, ensuring the unit can handle integration with external monitoring equipment and site networks.\u003c\/p\u003e \u003cp\u003eMechanical integrity is provided by a PVC dosing head and PTFE gaskets paired with ceramic ball valves suitable for standard process chemicals. Housed in an IP65 enclosure, the unit handles liquid temperatures up to 40°C and is supplied with high-capacity U3 connection packs.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFEATURES\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAR control variant with manual adjustment, pulse and 4-20mA input modes.\u003c\/li\u003e \u003cli\u003eChemical pre-empty and empty level signal inputs for system protection.\u003c\/li\u003e \u003cli\u003e800:1 turn-down ratio from 200.0 L\/h down to 0.25 L\/h for precise control.\u003c\/li\u003e \u003cli\u003eStepper motor technology provides smooth and continuous dosing.\u003c\/li\u003e \u003cli\u003ePVC pump head, PTFE gaskets and ceramic ball valves for standard chemical resistance.\u003c\/li\u003e \u003cli\u003eTwo potential-free output relays for external alarm integration and status reporting.\u003c\/li\u003e \u003cli\u003eIP65 rated enclosure protects internal electronics in demanding site environments.\u003c\/li\u003e \u003cli\u003eU3 connection packs for high-capacity throughput with standard pipe systems.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":50974842290423,"sku":"99246476","price":7967.08,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/grundfos-dde-200-4-ar-control-digital-dosing-pump-wastewater-chemical-dosing.png?v=1785153980","url":"https:\/\/foundationpumps.com.au\/products\/grundfos-dde-200-4-ar-control-digital-dosing-pump-wastewater-chemical-dosing","provider":"Foundation Pumps","version":"1.0","type":"link"}