{"product_id":"grundfos-sl1-100-150-40-ex-4-50d-c-z-93161977-4kw-415v-submersible-waste-pump-dn150-4849","title":"Grundfos SL1.100.150.40.EX.4.50D.C.Z 93161977 4kW 415v Submersible Waste Pump Dn150 #4849","description":"\u003cdiv style=\"max-width: 900px; margin: 0 auto; padding: 20px; line-height: 1.6;\"\u003e\n\n  \u003ch2\u003eGrundfos SL1.100.150.40.EX.4.50D.C.Z (93161977) – 4kW 415V Submersible Wastewater Pump (DN150) #4849\u003c\/h2\u003e\n\n  \u003cp\u003e\n    This listing is for a \u003cstrong\u003eGrundfos SL1\u003c\/strong\u003e sewage \/ wastewater pump with an \u003cstrong\u003eS tube® impeller\u003c\/strong\u003e,\n    a \u003cstrong\u003eDN150 flanged outlet\u003c\/strong\u003e, and an \u003cstrong\u003eEX (explosion-proof)\u003c\/strong\u003e motor variant.\n    The SL1 range is used for wastewater duties where efficient solids handling, serviceability and reliable operation are important.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    This unit is supplied as \u003cstrong\u003enew, unused surplus stock\u003c\/strong\u003e and has not been installed.\n    Minor cosmetic marks may be present from storage.\n  \u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e SL1.100.150.40.EX.4.50D.C.Z\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGrundfos product number:\u003c\/strong\u003e 93161977\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMotor output (P2):\u003c\/strong\u003e 4.0 kW\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectrical supply:\u003c\/strong\u003e 3 × 380–415 V, 50 Hz, DOL\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMotor:\u003c\/strong\u003e 4-pole\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eImpeller:\u003c\/strong\u003e S tube®\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOutlet connection:\u003c\/strong\u003e DN150 flanged discharge\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFree spherical passage:\u003c\/strong\u003e 100 mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaximum solids size:\u003c\/strong\u003e 100 mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnclosure class:\u003c\/strong\u003e IP68\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInsulation class:\u003c\/strong\u003e H\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eSupplied with 2 year guarantee\u003c\/strong\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\n    \u003cstrong\u003eNeed help confirming suitability?\u003c\/strong\u003e\u003cbr\u003e\n    Call us on \u003cstrong\u003e01803 220416\u003c\/strong\u003e for technical advice.\n  \u003c\/p\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eManufacturer Specification\u003c\/h3\u003e\n  \u003cp\u003e\n    Full technical details can be found on the official Grundfos product page:\u003cbr\u003e\n    \u003ca rel=\"nofollow noopener\" href=\"https:\/\/product-selection.grundfos.com\/no\/products\/service-special\/sesl-9-30-kw-service-special\/-93161977?utm_source=chatgpt.com\u0026amp;pumpsystemid=2971523070\u0026amp;tab=variant-specifications\" target=\"_blank\"\u003e\n      View Grundfos product page for 93161977\n    \u003c\/a\u003e\n  \u003c\/p\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eConnection \u0026amp; Installation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n      \u003cstrong\u003eDN150 flanged outlet:\u003c\/strong\u003e this pump has a DN150 discharge flange, allowing connection to compatible\n      DN150 pipework, fittings or installation accessories, subject to matching flange standard and site arrangement.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      The DIN flanged outlet gives flexibility when replacing pumps from other manufacturers, as a suitable\n      \u003cstrong\u003eDN150 guide claw\u003c\/strong\u003e or adaptor may be used to connect the pump to compatible existing guide-rail systems.\n      Please confirm flange drilling, guide-rail arrangement and base elbow dimensions before purchase.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      The SL1 \/ SLV range is suitable for \u003cstrong\u003esubmerged installation on auto-coupling systems\u003c\/strong\u003e or\n      \u003cstrong\u003esubmerged free-standing installation\u003c\/strong\u003e, depending on the site arrangement and accessories used.\n    \u003c\/li\u003e\n    \u003cli\u003e\n      Ordered accessories are normally supplied separately and are not factory-fitted unless specifically stated.\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eKey Specifications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e SL1.100.150.40.EX.4.50D.C.Z\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct number:\u003c\/strong\u003e 93161977\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRated power (P2):\u003c\/strong\u003e 4.0 kW\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRated input power (P1):\u003c\/strong\u003e 4.8 kW\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVoltage code:\u003c\/strong\u003e 50D (5 = 50 Hz, 0D = 3 × 380–415 V DOL)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElectrical supply:\u003c\/strong\u003e 3 × 380–415 V, DOL\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRated speed:\u003c\/strong\u003e 1465 rpm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRated current:\u003c\/strong\u003e 10.7–10.1 A\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStarting current:\u003c\/strong\u003e 65 A\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eImpeller type:\u003c\/strong\u003e S tube®\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaximum solids size:\u003c\/strong\u003e 100 mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePump housing pressure:\u003c\/strong\u003e PN10\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaximum starts per hour:\u003c\/strong\u003e 20\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMaximum liquid temperature:\u003c\/strong\u003e 40 °C\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003epH range:\u003c\/strong\u003e 4–14\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eOperating Limits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOperating mode:\u003c\/strong\u003e intermittent duty (S3); continuous duty (S1) is possible when completely submerged\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntermittent duty guidance:\u003c\/strong\u003e up to 20 starts per hour; run max 4 minutes; stop min 6 minutes when submerged to the bottom of the cable plug\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLiquid temperature:\u003c\/strong\u003e 0–40 °C\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShort-duration temperature note:\u003c\/strong\u003e up to 60 °C for max 3 minutes applies to non-EX versions only\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003epH range:\u003c\/strong\u003e 4–14\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEX operating condition:\u003c\/strong\u003e explosion-proof pumps must be fully submerged during operation\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eApplications \u0026amp; Selection Guidance\u003c\/h3\u003e\n  \u003cp\u003e\n    Grundfos provides a selection table intended as guidance when choosing between SL1 (S tube®) and SLV (SuperVortex).\n    Selection should be based on the pumped liquid, dry solids content, fibre loading, operating hours and site conditions.\n  \u003c\/p\u003e\n\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDry solids content:\u003c\/strong\u003e up to 3% – SL1 or SLV may be suitable; above this, up to 5%, guidance points to SLV\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFibre \/ solids content:\u003c\/strong\u003e relatively low fibre and solids content – SL1 or SLV; relatively high fibre and solids content – SLV is typically preferred\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWastewater with long fibres, e.g. laundries:\u003c\/strong\u003e both SL1 and SLV are shown as suitable in the guidance table\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003cp\u003e\u003cstrong\u003eTypical duties shown as suitable for SL1 include:\u003c\/strong\u003e\u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003eStormwater and groundwater\u003c\/li\u003e\n    \u003cli\u003eDrainage and surface water\u003c\/li\u003e\n    \u003cli\u003eDrainage and surface water with small impurities\u003c\/li\u003e\n    \u003cli\u003eAbrasive surface water\u003c\/li\u003e\n    \u003cli\u003eWastewater with long fibres, e.g. laundries\u003c\/li\u003e\n    \u003cli\u003eDomestic wastewater including discharge from toilets\u003c\/li\u003e\n    \u003cli\u003eMunicipal sewage\u003c\/li\u003e\n    \u003cli\u003eSewage from commercial buildings\u003c\/li\u003e\n    \u003cli\u003eIndustrial process water with solids\u003c\/li\u003e\n    \u003cli\u003eIndustrial process water without solids and fibres\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eConstruction \u0026amp; Protection Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eS tube® impeller:\u003c\/strong\u003e channel-style wastewater hydraulic designed to combine efficiency with free passage\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDouble mechanical cartridge shaft seal:\u003c\/strong\u003e service-oriented cartridge design\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eThermal protection:\u003c\/strong\u003e thermal switches in the stator windings to protect against overheating\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLeakage monitoring:\u003c\/strong\u003e moisture switch in the motor chamber for detection of water ingress\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMoisture-proof cable plug:\u003c\/strong\u003e stainless steel cable plug connection with sealing protection\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eClamp construction:\u003c\/strong\u003e stainless steel clamp connection between motor housing and pump housing for easier service access\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 SL1.100.150.40.EX.4.50D.C.Z mean?\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSL\u003c\/strong\u003e – Grundfos sewage \/ wastewater pump range\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e1\u003c\/strong\u003e – S tube® impeller\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e100\u003c\/strong\u003e – 100 mm free spherical passage\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e150\u003c\/strong\u003e – DN150 pump outlet\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e40\u003c\/strong\u003e – 4.0 kW motor output\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEX\u003c\/strong\u003e – explosion-proof pump version\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e4\u003c\/strong\u003e – 4-pole motor\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e5\u003c\/strong\u003e – 50 Hz\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e0D\u003c\/strong\u003e – 3 × 380–415 V, DOL starting\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eC\u003c\/strong\u003e – 4th generation\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eZ\u003c\/strong\u003e – custom-built pump\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch4\u003eWhat is the maximum solids size?\u003c\/h4\u003e\n  \u003cp\u003e\n    This pump has a \u003cstrong\u003e100 mm free spherical passage\u003c\/strong\u003e, which corresponds to the stated maximum solids size for this model.\n  \u003c\/p\u003e\n\n  \u003ch4\u003eWhat discharge connection does this pump have?\u003c\/h4\u003e\n  \u003cp\u003e\n    This model has a \u003cstrong\u003eDN150 flanged outlet\u003c\/strong\u003e. This gives flexibility for connecting compatible DN150 pipework,\n    fittings or installation accessories, subject to matching flange standard and site arrangement.\n  \u003c\/p\u003e\n\n  \u003ch4\u003eCan this replace another manufacturer’s pump?\u003c\/h4\u003e\n  \u003cp\u003e\n    In many cases, a DIN flanged wastewater pump can be adapted to suit existing installations using the relevant\n    \u003cstrong\u003eDN150 guide claw\u003c\/strong\u003e, base elbow or pipework adaptor. Compatibility depends on the existing guide-rail system,\n    flange drilling, discharge centreline and installation dimensions, so please send photos or measurements before purchase if you are unsure.\n  \u003c\/p\u003e\n\n  \u003ch4\u003eWhy choose S tube® (SL1) instead of a vortex pump?\u003c\/h4\u003e\n  \u003cp\u003e\n    The SL1 S tube® hydraulic is typically selected where a balance of \u003cstrong\u003eenergy efficiency\u003c\/strong\u003e and\n    \u003cstrong\u003esolids handling\u003c\/strong\u003e is required. An S-tube \/ channel-style hydraulic guides the flow through a defined passage,\n    which can provide higher hydraulic efficiency compared with a vortex design, where a larger proportion of energy is used\n    to create a free-flow vortex in the casing.\n  \u003c\/p\u003e\n\n  \u003cp\u003e\n    In general, \u003cstrong\u003eSL1\u003c\/strong\u003e is often chosen for regular wastewater duties where efficiency and stable performance are important.\n    \u003cstrong\u003eSLV \/ vortex\u003c\/strong\u003e is often selected where maximum clog tolerance is the priority, particularly with elevated fibre or solids loading.\n  \u003c\/p\u003e\n\n  \u003ch4\u003eCan this pump handle wastewater with long fibres?\u003c\/h4\u003e\n  \u003cp\u003e\n    Yes. The Grundfos selection table shows wastewater with long fibres, such as laundry wastewater, as a suitable application for both SL1 and SLV.\n    Final selection should still be based on the full duty point and site conditions.\n  \u003c\/p\u003e\n\n  \u003ch4\u003eDoes this pump include motor protection and leakage monitoring?\u003c\/h4\u003e\n  \u003cp\u003e\n    Yes. The standard package includes thermal protection in the stator windings and a moisture switch in the motor chamber.\n    These should be connected to suitable monitoring and control equipment in accordance with the installation requirements.\n  \u003c\/p\u003e\n\n  \u003ch4\u003eDoes EX mean this pump needs special installation?\u003c\/h4\u003e\n  \u003cp\u003e\n    Yes. This is an explosion-proof version and must be installed, controlled and protected according to the relevant\n    Grundfos instructions and site hazardous-area requirements. The manufacturer operating note states that explosion-proof\n    pumps must be fully submerged during operation.\n  \u003c\/p\u003e\n\n  \u003ch4\u003eDo accessories come fitted?\u003c\/h4\u003e\n  \u003cp\u003e\n    Ordered accessories are normally supplied separately and are not factory-fitted unless specifically stated.\n  \u003c\/p\u003e\n\n  \u003ch4\u003eDo you offer technical support?\u003c\/h4\u003e\n  \u003cp\u003e\n    Yes — we can help confirm compatibility with pipework, discharge fittings, installation arrangement and control gear.\n    Call \u003cstrong\u003e01803 220416\u003c\/strong\u003e for advice before purchase.\n  \u003c\/p\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eDelivery \u0026amp; Shipping\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eNext working day dispatch available where possible\u003c\/li\u003e\n    \u003cli\u003eSame-day courier available – please call for a quote\u003c\/li\u003e\n    \u003cli\u003eUK and international delivery available\u003c\/li\u003e\n    \u003cli\u003eInternational shipping costs confirmed after checkout\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr\u003e\n\n  \u003ch3\u003eAbout Our Stock\u003c\/h3\u003e\n  \u003cp\u003e\n    We specialise in supplying \u003cstrong\u003enew and unused surplus pumps\u003c\/strong\u003e, allowing us to offer premium equipment at highly competitive prices.\n    All units are inspected prior to dispatch and supplied with guarantee.\n  \u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Grundfos","offers":[{"title":"Default Title","offer_id":57312536985977,"sku":null,"price":3500.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1218\/7894\/files\/7e35533a-7d6d-44d7-8389-6e5819f2b106.jpg?v=1780572620","url":"https:\/\/thepumpdealer.co.uk\/products\/grundfos-sl1-100-150-40-ex-4-50d-c-z-93161977-4kw-415v-submersible-waste-pump-dn150-4849","provider":"The Pump Dealer","version":"1.0","type":"link"}