{"product_id":"4kw-three-phase-multistage-pump","title":"4kW Three-Phase Multistage Pump","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHigh-volume water delivery for demanding applications.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe CMB20-40T three-phase horizontal multistage pump is designed for applications requiring substantial water flow while maintaining useful delivery pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIdeal for farms, lifestyle blocks, irrigation, washdown facilities and commercial water systems, this powerful 4kW pump offers efficient, quiet-running performance with corrosion-resistant stainless steel construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIts high-flow capability makes it suitable for installations supplying multiple outlets simultaneously, provided the available pressure at the required flow matches the system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003ePump \u0026amp; Purify multistage pumps\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e are constructed to a proven design, using quality metal components and exacting manufacturing standards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThis pump requires a suitable three-phase electrical supply and appropriate installation controls.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe right choice depends on your required flow, pressure, pipework, elevation and water source - not simply the number of taps.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCheck the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePerformance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e tab or \u003ca href=\"https:\/\/pumpandpurify.co.nz\/pages\/where-to-find-pump-purify\"\u003e\u003cstrong\u003econtact us\u003c\/strong\u003e\u003c\/a\u003e for straightforward advice before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cspan style=\"font-size: 0.875rem;\"\u003ePerformance\u003c\/span\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for higher-volume water delivery where both flow and pressure are important.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaximum flow:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 466 litres per minute\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaximum head:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Supplier states 58 metres — performance curve requires confirmation\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaximum operating pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8 bar\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eMaximum flow and maximum head are separate limits.\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e The pump does not deliver 466 litres per minute at maximum pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eApproximate performance from the supplied curve:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan\u003eFlow\u003c\/span\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cspan\u003eHead\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e100 LPM\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e50m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e200 LPM\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e47m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e300 LPM\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e42m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e400 LPM\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e34m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e450 LPM\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e28m\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cspan\u003eThese are approximate readings from the supplied performance curve, not guaranteed installation pressures.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eActual delivery depends on pipework, elevation, fittings and system losses.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNeed help checking suitability? Send us your water source, pipe length and diameter, elevation difference and expected water demand.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eModel:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e CMB20-40T\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMotor power:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 4.0kW \/ 4000W\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eElectrical supply:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Three-phase, 50Hz\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaximum flow:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 466 LPM\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaximum discharge head:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 58m stated — pending curve verification\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMaximum operating pressure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 8 bar\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eLiquid temperature:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Up to 70°C\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eInlet connection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2\" BSP\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eOutlet connection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 2\" BSP\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eIngress protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e IP55\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eInsulation class:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e F\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDuty rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Continuous\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMotor protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Built-in thermal overload protection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 540mm L × 250mm H × 180mm W\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eElectrical connection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e No plug supplied\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e8 bar maximum operating-pressure rating\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is separate from the pressure the pump generates.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eRefer to the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePerformance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e tab for approximate flow and head at different operating points.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eA suitable three-phase electrical supply and installation by a qualified electrician are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003e\u003c\/strong\u003eConstruction\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMechanical seal:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Carbon \/ silicon carbide (SiC) \/ EPDM\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eSuction and discharge chambers:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e AISI 304 stainless steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eImpellers and stages:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e AISI 304 stainless steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMotor shaft:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e AISI 304 stainless steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBearings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Low-noise bearings\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eElectrical connection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e To be installed by a suitably qualified electrician\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWarranty:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/pumpandpurify.co.nz\/pages\/general-warranty-terms\"\u003e\u003cspan\u003e2-year manufacturing defect warranty — view terms\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eConstruction\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003ePump housing:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Stainless steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMotor shaft:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Stainless steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eImpellers:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Stainless steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eIntermediate chambers:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Stainless steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eConstruction:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Corrosion-resistant metal components\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBearings:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Designed for quiet operation\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMotor protection:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Built-in thermal overload protection\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eMotor enclosure:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e IP55\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eDuty rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Continuous\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWarranty:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/pumpandpurify.co.nz\/pages\/general-warranty-terms\"\u003e\u003cspan\u003e2-year manufacturing defect warranty — view terms\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eDesigned for reliable operation in agricultural, commercial and high-demand water supply applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFAQs\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eWill this pump run 22 taps at once?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe pump has substantial flow capacity, but the number of outlets it can support depends on their individual flow requirements, pipework, elevation and the pressure needed. The supplier's 22-tap figure is an indication only, not a guarantee.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it deliver 466 LPM at maximum pressure?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo. Maximum flow and maximum head occur at different points on the performance curve. See the \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003ePerformance\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e tab.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCan I use this pump for farm washdown?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes, provided its flow and pressure suit your washdown equipment and water supply.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it need three-phase power?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes. This model requires a suitable three-phase electrical supply. No plug is supplied.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eDoes it include an automatic pressure controller?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNo. Suitable controls and switching equipment must be selected separately for the installation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eIs this pump self-priming?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIt is not specified as self-priming. Confirm the installation and priming requirements before use. Never run the pump dry.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eCan it be used for irrigation?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eYes, provided the pump curve matches the flow and pressure requirements of your irrigation system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eAre spare parts available?\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/pumpandpurify.co.nz\/pages\/where-to-find-pump-purify\"\u003eContact us\u003c\/a\u003e\u003c\/strong\u003e with your model number and details of the part required so we can confirm availability.\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Model CMB20-40T","offers":[{"title":"Default Title","offer_id":41743176204346,"sku":"CMB20-40T","price":1839.0,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0212\/0212\/files\/CMB20-40T.png?v=1791851566","url":"https:\/\/pumpandpurify.co.nz\/products\/4kw-three-phase-multistage-pump","provider":"Pump \u0026 Purify","version":"1.0","type":"link"}