{"title":"AC Surface Pumps","description":"\u003ch2\u003eWhat are alternating current surface pumps and what are they used for?\u003c\/h2\u003e\n\u003cp\u003eThese are pumps installed \u003cem\u003eoutside\u003c\/em\u003e the water that draw from a tank, sump, or open intake and deliver \u003cstrong\u003eflow\u003c\/strong\u003e and \u003cstrong\u003epressure\u003c\/strong\u003e to the discharge using \u003cstrong\u003ealternating current\u003c\/strong\u003e, either \u003cstrong\u003esingle-phase 230 V\u003c\/strong\u003e or \u003cstrong\u003ethree-phase 230\/400 V\u003c\/strong\u003e. They are ideal when grid power or an inverter is available and a robust solution is needed for transfers, irrigation, or local pressurization with simple maintenance. Our AC (single\/three-phase) range is being incorporated gradually, maintaining compatibility with standard accessories and controllers.\u003c\/p\u003e\n\u003ch3\u003eAdvantages and limitations\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplicity and availability\u003c\/strong\u003e: direct connection to 230 V (single\/three-phase) with standard protections (MCB\/RCBO, thermal relay).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced control\u003c\/strong\u003e: possibility of \u003cabbr title=\"Variable Frequency Drive\"\u003eVFD\u003c\/abbr\u003e to modulate flow\/pressure, protect the motor, and smooth startups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy maintenance\u003c\/strong\u003e: equipment accessible at the surface, no need for well lifting operations.\u003c\/li\u003e\n\u003cli\u003eLimitations: the \u003cstrong\u003esuction height\u003c\/strong\u003e is limited; it is advisable to install the pump close to and below the water level. For deep intakes, a \u003ca href=\"\/en\/collections\/bombas-sumergibles-de-alterna\"\u003esubmersible alternating current pump\u003c\/a\u003e is preferable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommon applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransfers\u003c\/strong\u003e between tanks, ponds, and cisterns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIrrigation\u003c\/strong\u003e by drip or sprinkler from tanks\/canals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLocal pressurization\u003c\/strong\u003e of auxiliary lines (wash areas, hoses, remote points) or supply to \u003ca href=\"\/en\/collections\/depuradoras-de-piscina\"\u003epool filters\u003c\/a\u003e depending on configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to choose your alternating current surface pump\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating point\u003c\/strong\u003e: define flow (m³\/h) and \u003cstrong\u003eTDH\u003c\/strong\u003e (m). TDH = static head + friction losses (pipes, elbows, valves, filters). The model should cross your point on the \u003cem\u003eflow–head curve\u003c\/em\u003e with margin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply\u003c\/strong\u003e:\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-phase 230 V\u003c\/strong\u003e: homes and moderate power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-phase 230\/400 V\u003c\/strong\u003e: better startups, lower current per phase, and easy use of \u003cstrong\u003eVFD\u003c\/strong\u003e for medium\/high power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulics\u003c\/strong\u003e: centrifugal (CPM\/QB\/SHF\/CS-F) for medium-high flows and low–medium heads; \u003cstrong\u003ehigh pressure\/BOOST\u003c\/strong\u003e versions for higher heads with moderate flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuction\u003c\/strong\u003e: minimize suction height; install \u003ca href=\"\/en\/collections\/accesorios-para-bombas\"\u003efoot valve and strainer\u003c\/a\u003e. If the intake is very deep or variable, consider a \u003ca href=\"\/en\/collections\/bombas-sumergibles-de-alterna\"\u003esubmersible alternating current pump\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater quality\u003c\/strong\u003e: if there are sediments, add a \u003ca href=\"\/en\/collections\/accesorios-para-bombas\"\u003efilter\u003c\/a\u003e to protect the impeller and mechanical seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIndicative technical specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower supply\u003c\/td\u003e\n\u003ctd\u003eSingle-phase 230 V | Three-phase 230\/400 V (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow range\u003c\/td\u003e\n\u003ctd\u003e≈0.5–57 m³\/h (depending on series CPM\/QB\/SHF\/CS-F\/BOOST)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManometric head\u003c\/td\u003e\n\u003ctd\u003e≈10–150 m (up to 150 m in high pressure\/BOOST)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eDirect start \/ Soft-starter \/ \u003cabbr title=\"Variable Frequency Drive\"\u003eVFD\u003c\/abbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eFoot valve and strainer on suction, check valve on discharge, \u003cstrong\u003edry run\u003c\/strong\u003e, overvoltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCatalog status\u003c\/td\u003e\n\u003ctd\u003eAC range (single\/three-phase) in progressive expansion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBest installation practices\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePlace the pump \u003cstrong\u003eclose to and below the water level\u003c\/strong\u003e to facilitate priming and avoid cavitation.\u003c\/li\u003e\n\u003cli\u003eUse generous piping on \u003cem\u003esuction\u003c\/em\u003e and reduce elbows\/long runs; check for leaks.\u003c\/li\u003e\n\u003cli\u003eInstall a \u003cstrong\u003echeck valve\u003c\/strong\u003e on discharge and activate stop by \u003cstrong\u003edry run\u003c\/strong\u003e (floats\/probes or press-control).\u003c\/li\u003e\n\u003cli\u003eWith \u003cstrong\u003eVFD\u003c\/strong\u003e, adjust ramps and target pressure according to the pump curve; check ventilation and frequency limits.\u003c\/li\u003e\n\u003cli\u003eMaintenance: clean filters, check seals, and tighten terminals; schedule periodic inspections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eComparisons and related accessories\u003c\/h3\u003e\n\u003cp\u003eIf you prioritize operating cost and autonomy, see \u003ca href=\"\/en\/collections\/bombas-de-superficie-solares\"\u003eSolar Surface Pumps\u003c\/a\u003e. If you want mixed solar\/AC backup, choose \u003ca href=\"\/en\/collections\/bombas-de-superficie-hibridas\"\u003eHybrid Surface Pumps\u003c\/a\u003e. For deep well intake, consider \u003ca href=\"\/en\/collections\/bombas-sumergibles-de-alterna\"\u003eSubmersible Alternating Current Pumps\u003c\/a\u003e. Improve your installation with \u003ca href=\"\/en\/collections\/accesorios-para-bombas\"\u003eAccessories\u003c\/a\u003e (foot valve, filters, pressure switches\/press-control, DC\/AC protections) and return to the overview at \u003ca href=\"\/en\/collections\/bombas-de-superficie\"\u003eSurface Pumps\u003c\/a\u003e or \u003ca href=\"\/en\/collections\/bombas-de-agua\"\u003eWater Pumps\u003c\/a\u003e.\u003c\/p\u003e","products":[],"url":"https:\/\/aurensol.com\/en\/collections\/bombas-de-superficie-alterna.oembed","provider":"Aurensol","version":"1.0","type":"link"}