{"product_id":"grundfos-tpe2-50-240-n-a-f-a-bqqe-iyc-circulator-pump-415v-2-2kw-98437897-4874","title":"Grundfos TPE2 50-240 N-A-F-A-BQQE-IYC Circulator Pump 415V 2.2kW 98437897 #4874","description":"\u003cdiv style=\"max-width: 900px; margin: 0 auto; padding: 20px; line-height: 1.6;\"\u003e\n\n\u003ch2\u003eGrundfos TPE2 50-240 N-A-F-A-BQQE-IYC – 2.2 kW 415V Variable-Speed In-Line Circulator Pump (98437897) #4874\u003c\/h2\u003e\n\n\u003cp\u003e\nThis listing is for a \u003cstrong\u003eGrundfos TPE2 50-240\u003c\/strong\u003e pump from the \u003cstrong\u003eTP family of dry-rotor, single-stage in-line circulator pumps\u003c\/strong\u003e. It is a single-head, electronically speed-controlled unit with in-line suction and discharge ports of identical diameter, designed for heating, cooling and industrial circulation duties where efficient variable-speed operation and serviceability are important.\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 TPE2 single-head dry-rotor in-line circulator\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrundfos product number:\u003c\/strong\u003e 98437897\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e DN50 PN6\/10 DIN flanges\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePort-to-port length:\u003c\/strong\u003e 280 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated motor output:\u003c\/strong\u003e 2.2 kW\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical supply:\u003c\/strong\u003e 3 × 380–500 V, 50\/60 Hz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e ECM permanent-magnet motor with integrated frequency converter\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpeed variant:\u003c\/strong\u003e 4000–5900 RPM ECM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEfficiency class:\u003c\/strong\u003e IE5\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor version:\u003c\/strong\u003e N version – supplied without built-in differential-pressure and temperature sensor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eService design:\u003c\/strong\u003e top-pull-out design – power head removable without disturbing pipework\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShaft seal:\u003c\/strong\u003e BQQE mechanical seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eImportant commissioning note:\u003c\/strong\u003e\u003cbr\u003e\nThis TPE2 pump should be \u003cstrong\u003eprogrammed and commissioned using Grundfos GO Remote\u003c\/strong\u003e. The correct control mode, setpoint, external sensor setup and operating limits must be configured on site to suit the application.\n\u003c\/p\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\nFull technical specifications, curves and documentation can be viewed on the official Grundfos product page:\u003cbr\u003e\n\u003ca href=\"https:\/\/product-selection.grundfos.com\/uk\/products\/tp-tpe\/tpe-series-1000-tpe2\/tpe2-50-240-98437897?pumpsystemid=2934986224\u0026amp;tab=variant-specifications\" rel=\"nofollow noopener\" target=\"_blank\"\u003e\nView Grundfos TPE2 50-240 N-A-F-A-BQQE-IYC (98437897) – Variant specifications\n\u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eTechnical documentation\u003c\/h3\u003e\n\n\u003cp\u003e\nGrundfos TP, TPE, TPE2 and TPE3 technical documentation can be viewed here:\u003cbr\u003e\n\u003ca href=\"https:\/\/api.grundfos.com\/literature\/Grundfosliterature-1580.pdf\" rel=\"nofollow noopener\" target=\"_blank\"\u003e\nView Grundfos TPE3, TPE2, TPE Series 2000\/1000, TP and TPD data booklet\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\u003eHeating systems and boiler circuits\u003c\/li\u003e\n  \u003cli\u003eDistrict heating and district cooling\u003c\/li\u003e\n  \u003cli\u003eAir-conditioning and chilled water systems\u003c\/li\u003e\n  \u003cli\u003eIndustrial circulation loops\u003c\/li\u003e\n  \u003cli\u003eBuilding services and HVAC installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eWhat does the model number mean?\u003c\/h4\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTPE2\u003c\/strong\u003e – electronically speed-controlled in-line circulator, without built-in differential-pressure and temperature sensor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e50\u003c\/strong\u003e – nominal diameter of inlet and outlet ports, DN50\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e240\u003c\/strong\u003e – maximum head class, 240 dm \/ approximately 24 m\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eN\u003c\/strong\u003e – without built-in sensor\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eA\u003c\/strong\u003e – basic 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 – basic materials version\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBQQE\u003c\/strong\u003e – shaft seal code\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIYC\u003c\/strong\u003e – motor \/ regulatory \/ speed suffix:\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eI\u003c\/strong\u003e – 2.2 kW rated motor power\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eY\u003c\/strong\u003e – out of DOE scope\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e – 4000–5900 RPM ECM speed variant\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat is the difference between TPE, TPE2 and TPE3?\u003c\/h4\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eTPE\u003c\/strong\u003e is Grundfos’ electronically speed-controlled version of the TP dry-rotor in-line circulator range. \u003cstrong\u003eTPE2\u003c\/strong\u003e is a newer-generation electronically controlled in-line pump without built-in differential-pressure and temperature sensors. \u003cstrong\u003eTPE3\u003c\/strong\u003e is the more advanced version with built-in sensor functions and additional intelligent features such as AUTOADAPT, FLOWADAPT, FLOWLIMIT, heat-energy monitoring and flow estimation on suitable models.\n\u003c\/p\u003e\n\n\u003cp\u003e\nFor this pump, the key point is that it is a \u003cstrong\u003evariable-speed TPE2\u003c\/strong\u003e, but it does \u003cstrong\u003enot\u003c\/strong\u003e have the built-in sensor package of a TPE3. Any pressure, temperature, flow or level-based control will normally require a suitable external sensor, controller or BMS signal.\n\u003c\/p\u003e\n\n\u003ch4\u003eWhat control modes are available on this TPE2 pump?\u003c\/h4\u003e\n\n\u003cp\u003e\nThis pump has an integrated frequency converter and can be commissioned for different control modes depending on the system design and connected sensors.\n\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAvailable control modes can include:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eProportional pressure\u003c\/li\u003e\n  \u003cli\u003eConstant pressure\u003c\/li\u003e\n  \u003cli\u003eConstant temperature\u003c\/li\u003e\n  \u003cli\u003eConstant differential pressure\u003c\/li\u003e\n  \u003cli\u003eConstant differential temperature\u003c\/li\u003e\n  \u003cli\u003eConstant flow rate\u003c\/li\u003e\n  \u003cli\u003eConstant level\u003c\/li\u003e\n  \u003cli\u003eConstant other value\u003c\/li\u003e\n  \u003cli\u003eConstant curve\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e AUTOADAPT and FLOWADAPT are associated with TPE3 versions with built-in sensor functions and should not be assumed available on this TPE2 N model.\n\u003c\/p\u003e\n\n\u003ch4\u003eWhat does BQQE mean?\u003c\/h4\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eBQQE\u003c\/strong\u003e describes the mechanical seal construction and materials:\n\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eB\u003c\/strong\u003e – rubber bellows seal construction\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ\u003c\/strong\u003e – silicon carbide rotating seal face\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ\u003c\/strong\u003e – silicon carbide stationary seal face\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eE\u003c\/strong\u003e – EPDM elastomers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nBQQE is commonly used for heating and cooling water duties compatible with EPDM. The silicon carbide \/ silicon carbide seal faces offer good wear resistance and are useful for hot water applications.\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 typically suitable for clean circulation liquids compatible with cast iron and EPDM, including heating water, chilled water, district heating\/cooling water, condensate, softened water and clean industrial circulation liquids.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eWater\/glycol mixtures may be used\u003c\/strong\u003e, but allowable temperature and concentration depend on the full system design, seal selection and operating conditions. Refer to the Grundfos liquid compatibility guidance before use with glycol or brines.\n\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNot suitable for:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eLiquids containing solid particles or fibres\u003c\/li\u003e\n  \u003cli\u003eFlammable liquids\u003c\/li\u003e\n  \u003cli\u003eMineral oils or synthetic oils without suitable alternative seal selection\u003c\/li\u003e\n  \u003cli\u003eStrong chemicals or solvents that attack EPDM\u003c\/li\u003e\n  \u003cli\u003eSea water or aggressive saline solutions\u003c\/li\u003e\n  \u003cli\u003eDirty water, wastewater or drainage duties\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eIs this suitable to replace other DN50 circulators?\u003c\/h4\u003e\n\n\u003cp\u003e\nThis model uses \u003cstrong\u003eDN50 PN6\/10 DIN flanges\u003c\/strong\u003e with a \u003cstrong\u003e280 mm port-to-port length\u003c\/strong\u003e. Where dimensions and duty are comparable, it can replace other DN50 in-line circulators from brands such as \u003cstrong\u003eWilo, Lowara and KSB\u003c\/strong\u003e, subject to hydraulic duty, flange standard and control compatibility.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe advantage of a variable-speed circulator is that it can often be tuned during commissioning to better match the duty of the pump being replaced, rather than being locked to one fixed-speed curve.\n\u003c\/p\u003e\n\n\u003ch4\u003eCan the motor be removed without draining the system?\u003c\/h4\u003e\n\n\u003cp\u003e\nYes – the pump uses a \u003cstrong\u003etop-pull-out design\u003c\/strong\u003e, so the power head can be removed while the pump housing remains installed in the pipework.\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#4874\u003c\/strong\u003e\u003cbr\u003e\nWe specialise in supplying \u003cstrong\u003enew and unused surplus pumps\u003c\/strong\u003e. All units are 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":57400867684729,"sku":null,"price":2495.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1218\/7894\/files\/06e7fdce-7430-4107-9239-c554567234db.jpg?v=1780923232","url":"https:\/\/thepumpdealer.co.uk\/products\/grundfos-tpe2-50-240-n-a-f-a-bqqe-iyc-circulator-pump-415v-2-2kw-98437897-4874","provider":"The Pump Dealer","version":"1.0","type":"link"}