{"product_id":"grundfos-cre-2-110-a-f-a-auue-vertical-multistage-pump-230v-40770011-4918","title":"Grundfos CRE 2-110 A-F-A-AUUE Vertical Multistage Pump 230v 40770011 #4918","description":"\u003cdiv style=\"max-width: 900px; margin: 0 auto; padding: 20px; line-height: 1.6;\"\u003e\n\n\u003ch2\u003eGrundfos CRE 2-110 A-F-A-AUUE Vertical Multistage Pump – 230V MGE E-Motor (40770011 \/ 85555105) #4918\u003c\/h2\u003e\n\n\u003cp\u003e\nThis listing is for a \u003cstrong\u003eGrundfos CRE 2-110 A-F-A-AUUE\u003c\/strong\u003e vertical multistage pump fitted with a \u003cstrong\u003esingle-phase Grundfos MGE E-motor\u003c\/strong\u003e. The Grundfos product page for \u003cstrong\u003e40770011\u003c\/strong\u003e identifies the hydraulic pump as a \u003cstrong\u003eCR 2-110 pump without motor\u003c\/strong\u003e, while the physical pump nameplate on this stock item identifies the complete assembly as \u003cstrong\u003eCRE\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis is best understood as a \u003cstrong\u003eCR 2-110 hydraulic pump end\u003c\/strong\u003e fitted with a \u003cstrong\u003eGrundfos MGE frequency-controlled E-motor\u003c\/strong\u003e. CRE pumps use the CR vertical multistage hydraulic design, with the key difference being the fitted E-motor with integrated frequency converter for variable-speed operation.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eImportant material note:\u003c\/strong\u003e this is the standard \u003cstrong\u003eCR\/CRE A material version\u003c\/strong\u003e with a \u003cstrong\u003ecast iron pump head and base\u003c\/strong\u003e and stainless steel hydraulic components. It is \u003cstrong\u003enot\u003c\/strong\u003e a full stainless-steel CRI, CRN, CRIE or CRNE version. Please check material compatibility before using with aggressive liquids, chemically treated water or specialist process fluids.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e supplied in \u003cstrong\u003eas new surplus condition\u003c\/strong\u003e – the unit has not been installed or used but may show minor cosmetic markings from storage and handling. \u003cstrong\u003eGuarantee:\u003c\/strong\u003e supplied with a \u003cstrong\u003e2-year guarantee\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePump type:\u003c\/strong\u003e CRE vertical multistage centrifugal pump with integrated E-motor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHydraulic pump reference:\u003c\/strong\u003e CR 2-110\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrundfos hydraulic pump product number:\u003c\/strong\u003e 40770011\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor number:\u003c\/strong\u003e 85555105\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e CRE 2-110 A-F-A-AUUE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated flow:\u003c\/strong\u003e 2.5 m³\/h \/ 0.69 L\/s\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated head:\u003c\/strong\u003e approx. 68 m\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStages:\u003c\/strong\u003e 11\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImpellers:\u003c\/strong\u003e 11\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection type:\u003c\/strong\u003e DIN flange\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection size:\u003c\/strong\u003e DN25 inlet \/ DN25 outlet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure rating for connection:\u003c\/strong\u003e PN25\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor flange:\u003c\/strong\u003e F100\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial version:\u003c\/strong\u003e standard CR\/CRE cast iron head and base version with stainless steel hydraulic components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImportant material note:\u003c\/strong\u003e this is not a CRI\/CRN stainless-steel housing pump\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShaft seal:\u003c\/strong\u003e AUUE mechanical shaft seal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAUUE seal materials:\u003c\/strong\u003e O-ring seal, tungsten carbide \/ tungsten carbide faces, EPDM elastomers\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLiquid temperature range with AUUE seal:\u003c\/strong\u003e 0 °C to +120 °C, subject to liquid compatibility, system pressure and full Grundfos guidance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor type:\u003c\/strong\u003e Grundfos MGE 80B E-motor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor power:\u003c\/strong\u003e 1.1 kW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical supply:\u003c\/strong\u003e 1 × 220–240 V, 50\/60 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated current:\u003c\/strong\u003e approx. 11 A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower factor:\u003c\/strong\u003e cos φ approx. 0.65\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeed range:\u003c\/strong\u003e approx. 700–2780 rpm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eControl:\u003c\/strong\u003e integrated frequency converter \/ variable-speed MGE motor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStock code:\u003c\/strong\u003e #4918\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eNeed help confirming suitability?\u003c\/strong\u003e\u003cbr\u003e\nCall us on \u003cstrong\u003e01803 220416\u003c\/strong\u003e for technical advice.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eManufacturer product page\u003c\/h3\u003e\n\n\u003cp\u003e\nThe official Grundfos product page for the hydraulic pump reference can be viewed here:\u003cbr\u003e\n\u003ca href=\"https:\/\/product-selection.grundfos.com\/uk\/products\/cr-cre-cri-crie-crn-crne-crt-crte\/cr\/cr-2-110-40770011?frequency=50\u0026amp;pumpsystemid=2978282252\u0026amp;tab=variant-specifications\" rel=\"nofollow noopener\" target=\"_blank\"\u003e\nView Grundfos CR 2-110 (40770011) – Variant specifications\n\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eImportant note:\u003c\/strong\u003e the manufacturer page describes \u003cstrong\u003e40770011\u003c\/strong\u003e as a \u003cstrong\u003eCR 2-110 pump without motor\u003c\/strong\u003e. This stock item has a \u003cstrong\u003eCRE nameplate\u003c\/strong\u003e and is fitted with \u003cstrong\u003eGrundfos MGE E-motor no. 85555105\u003c\/strong\u003e, so this listing describes the complete physical pump supplied rather than the bare hydraulic reference alone.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical documentation\u003c\/h3\u003e\n\n\u003cp\u003e\nGrundfos CR \/ CRE technical documentation can be viewed here:\u003cbr\u003e\n\u003ca href=\"https:\/\/api.grundfos.com\/literature\/Grundfosliterature-937.pdf\" rel=\"nofollow noopener\" target=\"_blank\"\u003e\nView Grundfos CR \/ CRE technical data PDF\n\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTypical applications\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003ePressure boosting\u003c\/li\u003e\n  \u003cli\u003eWater supply systems\u003c\/li\u003e\n  \u003cli\u003eCommercial and industrial process water\u003c\/li\u003e\n  \u003cli\u003eWater treatment systems\u003c\/li\u003e\n  \u003cli\u003eWashdown and clean-water transfer duties\u003c\/li\u003e\n  \u003cli\u003eClean liquid transfer\u003c\/li\u003e\n  \u003cli\u003eReplacement of matching CRE \/ CR 2-110 vertical multistage pumps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eWhy does the manufacturer page show CR 2-110, but the pump says CRE?\u003c\/h4\u003e\n\n\u003cp\u003e\nGrundfos product number \u003cstrong\u003e40770011\u003c\/strong\u003e refers to the \u003cstrong\u003eCR 2-110 hydraulic pump end\u003c\/strong\u003e, and the manufacturer page describes it as a pump without motor. The pump we are supplying has a \u003cstrong\u003eCRE nameplate\u003c\/strong\u003e and is fitted with a \u003cstrong\u003eGrundfos MGE E-motor\u003c\/strong\u003e, so it should be treated as a CRE assembly built around the CR 2-110 hydraulic unit.\n\u003c\/p\u003e\n\n\u003ch4\u003eWhat is the difference between CR and CRE?\u003c\/h4\u003e\n\n\u003cp\u003e\nCR and CRE pumps use the same basic vertical multistage hydraulic pump design. A standard CR pump is normally fitted with a conventional fixed-speed motor, while a CRE pump is fitted with a Grundfos MGE E-motor with an integrated frequency converter for variable-speed control.\n\u003c\/p\u003e\n\n\u003ch4\u003eIs this a stainless-steel pump?\u003c\/h4\u003e\n\n\u003cp\u003e\nNo. This is the standard \u003cstrong\u003eCR\/CRE A material version\u003c\/strong\u003e, not a CRI\/CRN stainless-steel version. The pump has a \u003cstrong\u003ecast iron head and base\u003c\/strong\u003e with stainless steel hydraulic components. If the application requires stainless-steel housing or stainless wetted construction throughout, please check whether a \u003cstrong\u003eCRI, CRN, CRIE or CRNE\u003c\/strong\u003e version is required instead.\n\u003c\/p\u003e\n\n\u003ch4\u003eWhat does CRE 2-110 A-F-A-AUUE mean?\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCRE\u003c\/strong\u003e – Grundfos vertical multistage pump with integrated E-motor \/ frequency converter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2\u003c\/strong\u003e – nominal flow size, around the 2 m³\/h class\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e110\u003c\/strong\u003e – hydraulic stack \/ stage designation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eA\u003c\/strong\u003e – pump version\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eF\u003c\/strong\u003e – DIN flange connection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eA\u003c\/strong\u003e – standard CR\/CRE material version with cast iron head\/base and stainless steel hydraulic components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAUUE\u003c\/strong\u003e – mechanical shaft seal code\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat does the AUUE shaft seal mean?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe \u003cstrong\u003eAUUE\u003c\/strong\u003e shaft seal is an O-ring type mechanical shaft seal with a fixed seal driver, \u003cstrong\u003etungsten carbide rotating face\u003c\/strong\u003e, \u003cstrong\u003etungsten carbide stationary seat\u003c\/strong\u003e and \u003cstrong\u003eEPDM elastomers\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe final letter is important: \u003cstrong\u003eE\u003c\/strong\u003e means EPDM, while \u003cstrong\u003eV\u003c\/strong\u003e would mean FKM \/ Viton. Because this pump is marked \u003cstrong\u003eAUUE\u003c\/strong\u003e, the correct seal description is tungsten carbide \/ tungsten carbide with EPDM elastomers.\n\u003c\/p\u003e\n\n\u003ch4\u003eWhy choose an AUUE seal?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe tungsten carbide \/ tungsten carbide face pairing is a hard-wearing mechanical seal arrangement. It is generally chosen where a more robust seal-face material is required than a carbon-based seal face, provided the pumped liquid is compatible with EPDM and the rest of the pump materials.\n\u003c\/p\u003e\n\n\u003cp\u003e\nFor this CRE pump family, AUUE should be treated as suitable for liquid temperatures from \u003cstrong\u003e0 °C to +120 °C\u003c\/strong\u003e, subject to liquid compatibility, pressure, concentration and operating conditions.\n\u003c\/p\u003e\n\n\u003ch4\u003eIs this a fixed-speed or variable-speed pump?\u003c\/h4\u003e\n\n\u003cp\u003e\nThis is a \u003cstrong\u003eCRE\u003c\/strong\u003e pump assembly with a Grundfos \u003cstrong\u003eMGE E-motor\u003c\/strong\u003e. The motor has an integrated frequency converter, allowing variable-speed operation and control rather than being limited to one fixed-speed curve.\n\u003c\/p\u003e\n\n\u003ch4\u003eWhat motor is fitted?\u003c\/h4\u003e\n\n\u003cp\u003e\nThe fitted motor is identified as \u003cstrong\u003eGrundfos motor no. 85555105\u003c\/strong\u003e, from the MGE 80B E-motor family. The motor data found for this number lists it as a \u003cstrong\u003e1.1 kW\u003c\/strong\u003e, \u003cstrong\u003e1 × 220–240 V\u003c\/strong\u003e motor with an approximate speed range of \u003cstrong\u003e700–2780 rpm\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003ch4\u003eWhat liquids can this pump be used with?\u003c\/h4\u003e\n\n\u003cp\u003e\nThis pump is intended for clean, non-aggressive liquids compatible with the pump materials and AUUE shaft seal. The pump is the standard CR\/CRE material version with a \u003cstrong\u003ecast iron head and base\u003c\/strong\u003e, not a full stainless-steel CRI\/CRN version, so material compatibility must be checked where the liquid is treated, chemically dosed, aggressive or process-specific.\n\u003c\/p\u003e\n\n\u003cp\u003e\nTypical duties include clean water, treated water and suitable process-water applications where the liquid is compatible with cast iron, stainless steel hydraulic components and EPDM seal elastomers.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLiquids containing solids or fibres\u003c\/li\u003e\n  \u003cli\u003eDirty water, wastewater or drainage duties\u003c\/li\u003e\n  \u003cli\u003eFlammable or explosive liquids\u003c\/li\u003e\n  \u003cli\u003eMineral oils or aggressive chemicals unless compatibility has been confirmed\u003c\/li\u003e\n  \u003cli\u003eSeawater or aggressive saline solutions unless the full material and seal compatibility has been checked\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eCan this be used with glycol?\u003c\/h4\u003e\n\n\u003cp\u003e\nWater-glycol mixtures \u003cstrong\u003emay be suitable\u003c\/strong\u003e, but the exact glycol type, concentration, inhibitor package, temperature and duty point must be checked. The AUUE seal uses \u003cstrong\u003eEPDM elastomers\u003c\/strong\u003e with tungsten carbide \/ tungsten carbide seal faces, so it should not be assumed suitable for every glycol formulation without checking the liquid compatibility.\n\u003c\/p\u003e\n\n\u003cp\u003e\nGlycol can increase liquid density and viscosity, which may reduce hydraulic performance and increase motor load. For glycol duties, the final duty point should be checked against the installed system conditions before ordering.\n\u003c\/p\u003e\n\n\u003ch4\u003eCan this be used as a direct replacement?\u003c\/h4\u003e\n\n\u003cp\u003e\nIt may be suitable as a replacement where the existing pump is a matching \u003cstrong\u003eCRE 2-110\u003c\/strong\u003e or \u003cstrong\u003eCR 2-110\u003c\/strong\u003e arrangement with compatible hydraulic duty, connection size, pressure rating, voltage and control requirements.\n\u003c\/p\u003e\n\n\u003cp\u003e\nBecause this unit combines a CR 2-110 hydraulic end with an MGE E-motor, please compare the existing pump nameplate, motor details, pipework connections, pressure rating and control method before ordering. If you are unsure, send us photos of the existing pump and nameplates and we can help check suitability.\n\u003c\/p\u003e\n\n\u003ch4\u003eIs this a new pump?\u003c\/h4\u003e\n\n\u003cp\u003e\nThis listing is for \u003cstrong\u003eas new surplus stock\u003c\/strong\u003e. The unit has not been installed or used but may show cosmetic marks from storage and handling.\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eAbout Our Stock\u003c\/h3\u003e\n\n\u003cp\u003e\nStock code: \u003cstrong\u003e#4918\u003c\/strong\u003e\u003cbr\u003e\nWe specialise in supplying \u003cstrong\u003enew and unused surplus pumps\u003c\/strong\u003e. This unit is inspected prior to dispatch and supplied with a \u003cstrong\u003e2-year guarantee\u003c\/strong\u003e.\n\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":57406296228217,"sku":null,"price":800.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1218\/7894\/files\/02e8397b-1d8d-45b6-aa0b-8e030e89b936.jpg?v=1781010392","url":"https:\/\/thepumpdealer.co.uk\/products\/grundfos-cre-2-110-a-f-a-auue-vertical-multistage-pump-230v-40770011-4918","provider":"The Pump Dealer","version":"1.0","type":"link"}