{"product_id":"grundfos-dmh-2-2-25-stainless-steel-dosing-pump-2-2-l-h-25-bar","title":"Grundfos DMH 2.2-25 Stainless Steel Dosing Pump 2.2 L\/h 25 Bar","description":"\u003ch6\u003e\u003cspan\u003eKEY FEATURES\u003c\/span\u003e\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eApprox. 2.2 L\/h nominal dosing capacity at 50 Hz\u003c\/li\u003e\n\u003cli\u003e25 bar maximum operating pressure\u003c\/li\u003e\n\u003cli\u003eRobust positive displacement diaphragm dosing pump\u003c\/li\u003e\n\u003cli\u003eStainless steel EN 1.4571 dosing head\u003c\/li\u003e\n\u003cli\u003eStainless steel EN 1.4401 valve ball\u003c\/li\u003e\n\u003cli\u003ePTFE\/composite valve seat and gasket components\u003c\/li\u003e\n\u003cli\u003eLong-life PTFE diaphragm\u003c\/li\u003e\n\u003cli\u003eHandles liquids up to 300 mPa·s viscosity\u003c\/li\u003e\n\u003cli\u003eManual stroke-length adjustment with 10:1 adjustment ratio\u003c\/li\u003e\n\u003cli\u003e3 × 230\/400 V, 50 Hz three-phase motor\u003c\/li\u003e\n\u003cli\u003ePrepared for VFD operation with maximum frequency up to 100 Hz\u003c\/li\u003e\n\u003cli\u003eDiaphragm leakage detection\u003c\/li\u003e\n\u003cli\u003eIP65 enclosure rating\u003c\/li\u003e\n\u003cli\u003e1\/4-inch Rp inlet and outlet connections\u003c\/li\u003e\n\u003cli\u003eCE, EAC and CNROHSEX approvals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Grundfos DMH 2.2-25 is a versatile positive displacement diaphragm dosing pump designed for reliable chemical dosing in demanding industrial and process applications. The DMH range is engineered for robust operation where accurate low-flow dosing at high operating pressures is required.\u003c\/p\u003e\n\u003cp\u003eThe diaphragm is hydraulically coupled through a precise gear-eccenter-tappet system to a high-efficiency AC motor. Dosing capacity can be adjusted by varying the stroke length using the stroke adjustment knob, providing an adjustment ratio of 1:10.\u003c\/p\u003e\n\u003cp\u003eThis configuration features a stainless steel EN 1.4571 dosing head, stainless steel EN 1.4401 valve ball, PTFE\/composite valve seat and gasket components, and a long-life PTFE diaphragm. With a nominal dosing capacity of 2.2 L\/h, maximum operating pressure of 25 bar and compatibility with liquids up to 300 mPa·s viscosity, the pump provides robust performance for demanding high-pressure chemical dosing applications.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch6\u003eADDITIONAL FEATURES\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eLong-life PTFE diaphragm\u003c\/li\u003e\n\u003cli\u003eEasy-to-install and operate design\u003c\/li\u003e\n\u003cli\u003eAluminium pump housing\u003c\/li\u003e\n\u003cli\u003eOptimum capacity and stroke-frequency graduation\u003c\/li\u003e\n\u003cli\u003eDosing flow variation ±1.5% (FS)\u003c\/li\u003e\n\u003cli\u003eLinearity ±2% (FS)\u003c\/li\u003e\n\u003cli\u003eStandard inlet and outlet non-return valves\u003c\/li\u003e\n\u003cli\u003e1\/4-inch Rp inlet and outlet connections\u003c\/li\u003e\n\u003cli\u003eMaximum permissible inlet pressure of 8 bar\u003c\/li\u003e\n\u003cli\u003eLiquid temperature range from -10 to 90 °C\u003c\/li\u003e\n\u003cli\u003eStandard control variant\u003c\/li\u003e\n\u003cli\u003ePrepared for VFD operation\u003c\/li\u003e\n\u003cli\u003eMaximum frequency of 100 Hz\u003c\/li\u003e\n\u003cli\u003eDiaphragm leakage detection\u003c\/li\u003e\n\u003cli\u003eIP65 motor enclosure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch6\u003eAPPLICATIONS\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eProcess engineering, water treatment, wastewater treatment, industrial chemical dosing, chemical treatment, disinfection, pH adjustment and other applications requiring reliable low-flow chemical metering at pressures up to 25 bar.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch6\u003ePRODUCT PACKAGE INCLUDES\u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003eGrundfos DMH 2.2-25 Stainless Steel Mechanical Dosing Pump\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch5\u003eSPECIFICATIONS\u003c\/h5\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003eGrundfos DMH 2.2-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Number\u003c\/td\u003e\n\u003ctd\u003e99821647\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ Configuration\u003c\/td\u003e\n\u003ctd\u003eDMH 2.2-25 B-SSL\/T\/SS-X-E1AAXE0AG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEAN Number\u003c\/td\u003e\n\u003ctd\u003e5713834767746\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump Type\u003c\/td\u003e\n\u003ctd\u003ePositive displacement diaphragm dosing pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Flow Rate\u003c\/td\u003e\n\u003ctd\u003e2.2 L\/h at 50 Hz (approx. 0.58 US GPH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Operating Pressure\u003c\/td\u003e\n\u003ctd\u003e25 bar (approx. 362.6 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Dosing Heads\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Viscosity\u003c\/td\u003e\n\u003ctd\u003e300 mPa·s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump Housing\u003c\/td\u003e\n\u003ctd\u003eAluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDosing Head Material\u003c\/td\u003e\n\u003ctd\u003eStainless steel EN 1.4571\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiaphragm\u003c\/td\u003e\n\u003ctd\u003ePTFE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Ball Material\u003c\/td\u003e\n\u003ctd\u003eStainless steel EN 1.4401\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Seat Material\u003c\/td\u003e\n\u003ctd\u003ePTFE \/ Composite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Gasket Material\u003c\/td\u003e\n\u003ctd\u003ePTFE \/ Composite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet Non-Return Valve\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlet Non-Return Valve\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet Connection\u003c\/td\u003e\n\u003ctd\u003eRp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlet Connection\u003c\/td\u003e\n\u003ctd\u003eRp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInlet Connection Size\u003c\/td\u003e\n\u003ctd\u003e1\/4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutlet Connection Size\u003c\/td\u003e\n\u003ctd\u003e1\/4 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Permissible Inlet Pressure\u003c\/td\u003e\n\u003ctd\u003e8 bar (approx. 116 psi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-10 to 90 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Input (P1)\u003c\/td\u003e\n\u003ctd\u003e0.2 kW (approx. 0.268 HP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e3 × 230\/400 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMains Frequency\u003c\/td\u003e\n\u003ctd\u003e50 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Frequency\u003c\/td\u003e\n\u003ctd\u003e100 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Class\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Variant\u003c\/td\u003e\n\u003ctd\u003eStandard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Converter\u003c\/td\u003e\n\u003ctd\u003ePrepared for VFD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Included\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Plug\u003c\/td\u003e\n\u003ctd\u003eNo plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiaphragm Leakage Detection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e14 kg (approx. 30.9 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e25.3 kg (approx. 55.8 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Volume\u003c\/td\u003e\n\u003ctd\u003e0.156 m³\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprovals\u003c\/td\u003e\n\u003ctd\u003eCE, EAC, CNROHSEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003e\u003cbr\u003e\u003c\/h5\u003e\n\u003ch5\u003eADDITIONAL RESOURCES\u003c\/h5\u003e\n\u003ch6\u003ePRODUCT BROCURE\u003c\/h6\u003e\n\u003cp\u003eAdditional information about Grundfos DMH Mechanical Dosing Pumps are available in the DMH product leaflet.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0529\/9529\/3345\/files\/DMH_product_leaflet.pdf?v=1790059773\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #50809e;\"\u003eDOWNLOAD\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch6\u003eDATASHEET\u003c\/h6\u003e\n\u003cp\u003eDetailed specifications for the Grundfos DMH 18-16 Mechanical Dosing Pump 18 L\/h 16 Bar are available in the datasheet below.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0529\/9529\/3345\/files\/99821647_DMH_2225_BSSLTSSXE1AAXE0AG.pdf?v=1790873881\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan style=\"color: #50809e;\"\u003eDOWNLOAD\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003cp\u003eAdditional technical data about the Grundfos DMH Mechanical Dosing Pumps are available in the product datasheet.\u003c\/p\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0529\/9529\/3345\/files\/DMH_Data_Booklet.pdf?v=1790060454\"\u003e\u003cspan style=\"color: #50809e;\"\u003eDOWNLOAD\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":67618240626925,"sku":"GRU-99821647","price":10542.15,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0529\/9529\/3345\/files\/GRU-99821647.jpg?v=1790873977","url":"https:\/\/pwnps.com\/products\/grundfos-dmh-2-2-25-stainless-steel-dosing-pump-2-2-l-h-25-bar","provider":"Parkway Process Solutions","version":"1.0","type":"link"}