{"product_id":"hcp-an-31-submersible-pump","title":"HCP AN-31 Submersible Dewatering Pump: 1 HP, 120V, 3 inch Discharge, 135 GPM","description":"\u003ch2\u003eHCP AN-31 3-Inch Dewatering Pump for High-Volume Dirty Water Sites\u003c\/h2\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHCP AN-31 submersible dewatering pump\u003c\/strong\u003e is the 3-inch, high-volume model in HCP's AN line. Its 1 HP motor moves up to 135 GPM (about 8,100 GPH) through a 3-inch discharge. A cast-iron vortex impeller stands up to grit and silt. Reach for it when the job is moving water fast, not lifting it high.\u003c\/p\u003e\n\u003ch3\u003eQuick Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHorsepower:\u003c\/strong\u003e 1 HP (0.75 kW)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage \/ Phase:\u003c\/strong\u003e 120V 1-phase (also 208\/240V and 575V 3-phase), 10 A at 120V, 60 Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarge:\u003c\/strong\u003e 3 inch (80 mm), Female NPT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Flow:\u003c\/strong\u003e 135 GPM (about 8,100 GPH)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMax Head:\u003c\/strong\u003e 40 ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolids Handling:\u003c\/strong\u003e 1\/4 inch (7 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpeller:\u003c\/strong\u003e Cast-iron vortex (FC200)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed:\u003c\/strong\u003e 2800 rpm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCord:\u003c\/strong\u003e 30 ft, 3-prong 120V plug\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features of HCP AN-31 Submersible Dewatering Pumps\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe 3 inch discharge and 1 HP motor move up to 135 GPM, roughly 8,100 GPH, so the AN-31 empties a flooded pit or trench far faster than a 2 inch pump.\u003c\/li\u003e\n\u003cli\u003eIts impeller is cast iron (FC200), not the plastic impeller used on the smaller AN pumps, giving the AN-31 an all-metal wet end for gritty, high-volume work.\u003c\/li\u003e\n\u003cli\u003eThe vortex design lets silt and stringy debris up to 1\/4 inch (7 mm) slip through instead of wrapping or packing the impeller.\u003c\/li\u003e\n\u003cli\u003eTwin mechanical seals (carbon\/ceramic and silicon carbide) run in an oil bath. On the 120V model, an auto-cut thermal protector and a moisture sensor shut the motor down before it overheats.\u003c\/li\u003e\n\u003cli\u003eThe IP68 motor runs fully submerged to 33 ft (10 m), and a stainless strainer screens out stones before they reach the impeller.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHCP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eAN-31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU (by voltage)\u003c\/td\u003e\n\u003ctd\u003eAN-31-6117EPE3NX (120V), AN-31-63AOEXE4NX (240V), AN-31-635OEXE4NX (575V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSubmersible dewatering \/ sump pump\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Output\u003c\/td\u003e\n\u003ctd\u003e1 HP (0.75 kW); input 1.1 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Options\u003c\/td\u003e\n\u003ctd\u003e120V 1-phase, 208\/240V 3-phase, 575V 3-phase, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e10 A (120V 1-phase)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStart Method\u003c\/td\u003e\n\u003ctd\u003eCapacitor (120V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e2800 rpm (2 pole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Class\u003c\/td\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarge\u003c\/td\u003e\n\u003ctd\u003e3 inch (80 mm), Female NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Flow\u003c\/td\u003e\n\u003ctd\u003e135 GPM (about 8,100 GPH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Head\u003c\/td\u003e\n\u003ctd\u003e40 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolids Handling\u003c\/td\u003e\n\u003ctd\u003e1\/4 inch (7 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpeller\u003c\/td\u003e\n\u003ctd\u003eCast iron (FC200), vortex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Seal\u003c\/td\u003e\n\u003ctd\u003eDouble (carbon\/ceramic upper, silicon carbide lower), oil-filled (VG32, 190 cc)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCasing \/ Volute\u003c\/td\u003e\n\u003ctd\u003eCast iron (FC200)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Frame\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel (SUS304)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft\u003c\/td\u003e\n\u003ctd\u003eSUS410 stainless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStrainer\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eExternal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Devices\u003c\/td\u003e\n\u003ctd\u003eAuto-cut thermal protector and moisture sensor (120V 1-phase)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIngress Protection\u003c\/td\u003e\n\u003ctd\u003eIP68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Submersion Depth\u003c\/td\u003e\n\u003ctd\u003e33 ft (10 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Liquid Temp\u003c\/td\u003e\n\u003ctd\u003e104F (40C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCord\u003c\/td\u003e\n\u003ctd\u003e30 ft, SJOW, 3-prong 120V plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e37 lb (17 kg) 1-phase; 35 lb (16 kg) 3-phase, less cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003ecUL (UL778), CSA C22.2 No. 108-14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eHCP Pump Manufacturer Co., Ltd.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePerformance Overview\u003c\/h3\u003e\n\u003cp\u003eThe AN-31 trades lift for flow: about 40 ft of head at shutoff, but up to 135 GPM near the bottom of the curve. It is a high-volume mover, at its best on low-lift, high-inflow work rather than deep, high-head pumping.\u003c\/p\u003e\n\u003cdiv style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1016\/5405\/files\/HCP_AN-31.png?v=1784975448\" alt=\"HCP AN-31 Performance Overview\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003ch3\u003eAN-21A (2 inch) vs AN-31 (3 inch)\u003c\/h3\u003e\n\u003cp\u003eBoth are 1 HP AN-series dewatering pumps that pass 1\/4 inch solids. The choice is flow versus lift.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSpec\u003c\/th\u003e\n\u003cth\u003eAN-21A (2 inch)\u003c\/th\u003e\n\u003cth\u003eAN-31 (3 inch)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDischarge\u003c\/td\u003e\n\u003ctd\u003e2 inch\u003c\/td\u003e\n\u003ctd\u003e3 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax flow\u003c\/td\u003e\n\u003ctd\u003e88 GPM\u003c\/td\u003e\n\u003ctd\u003e135 GPM (about 8,100 GPH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax head\u003c\/td\u003e\n\u003ctd\u003e53 ft\u003c\/td\u003e\n\u003ctd\u003e40 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolids\u003c\/td\u003e\n\u003ctd\u003e1\/4 inch (7 mm)\u003c\/td\u003e\n\u003ctd\u003e1\/4 inch (7 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpeller\u003c\/td\u003e\n\u003ctd\u003ePlastic (PA+G50)\u003c\/td\u003e\n\u003ctd\u003eCast iron (FC200)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eHigher lift, deeper pits, longer runs\u003c\/td\u003e\n\u003ctd\u003eHigher volume, low lift, heavy inflow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClearing flooded excavations, trenches, and pits fast\u003c\/li\u003e\n\u003cli\u003eStorm and heavy-inflow cleanup where volume outruns a 2-inch pump\u003c\/li\u003e\n\u003cli\u003eSump and pit drainage on large jobsites\u003c\/li\u003e\n\u003cli\u003eDraining ponds, tanks, and cofferdams\u003c\/li\u003e\n\u003cli\u003eMunicipal and utility dewatering of silty, gritty water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuy the HCP AN-31 Submersible Dewatering Pump Online from Cleanflow\u003c\/h3\u003e\n\u003cp\u003eWhen the job is about moving a lot of dirty water fast, the \u003cstrong\u003eHCP AN-31 submersible dewatering pump\u003c\/strong\u003e is the 3-inch, cast-iron option in HCP's dewatering line. \u003cstrong\u003eCleanflow Utility Supply Company\u003c\/strong\u003e is an authorized HCP dealer, stocking and shipping \u003ca href=\"https:\/\/cleanflow.net\/collections\/hcp\"\u003eHCP pumps\u003c\/a\u003e across Canada and the continental USA, with free shipping on orders over $199.\u003c\/p\u003e\n\u003cp\u003eCompare it against the rest of the \u003ca href=\"https:\/\/cleanflow.net\/collections\/submersible-dewatering-pumps\"\u003esubmersible dewatering pumps\u003c\/a\u003e range, then add the AN-31 to your cart or contact us to size the right pump for your flow.\u003c\/p\u003e\n\u003cdiv itemscope=\"\" itemtype=\"https:\/\/schema.org\/FAQPage\"\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eDoes the HCP AN-31 replace the A-31V?\u003c\/h4\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eYes. The AN-31 is HCP's replacement for the discontinued A-31V, keeping the 1 HP, 3-inch format with an updated AN-series motor. It comes in 120V, 240V, and 575V, so an A-31V swaps out without changing the discharge.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eHow much water does the AN-31 move?\u003c\/h4\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eUp to about 135 GPM, roughly 8,100 GPH, with a maximum head near 40 ft. Flow is strongest at low lift, which is where a 3-inch pump like this earns its keep.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eShould I get the 2-inch AN-21A or the 3-inch AN-31?\u003c\/h4\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eChoose by flow versus lift. The 3-inch AN-31 moves far more water (about 135 GPM) at lower head, for high-inflow, low-lift jobs. The 2-inch AN-21A pushes less flow but higher head (near 53 ft) for deeper pits and longer runs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eDoes the 3 inch discharge mean it handles bigger solids?\u003c\/h4\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eNo. Discharge size sets flow, not solids. The AN-31 passes 1\/4 inch (7 mm) solids, the same as the 2 inch AN pumps. It is a dirty-water dewatering pump, not a trash pump for large debris.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv itemscope=\"\" itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\"\u003e\n\u003ch4 itemprop=\"name\"\u003eDoes the AN-31 have a cast iron impeller?\u003c\/h4\u003e\n\u003cdiv itemscope=\"\" itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"\u003e\n\u003cdiv itemprop=\"text\"\u003e\n\u003cp\u003eYes. Where the smaller AN pumps use a plastic impeller, the AN-31 has a cast-iron (FC200) impeller and casing for an all-metal wet end. It is cUL (UL778) and CSA certified with an IP68 sealed motor.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HCP","offers":[{"title":"120 Volt - 1 Phase","offer_id":54081751744876,"sku":"AN-31-6117EPE3NX","price":1164.1,"currency_code":"CAD","in_stock":true},{"title":"208\/240 Volt - 3 Phase","offer_id":54081799258476,"sku":"AN-31-63AOEXE4NX","price":1374.97,"currency_code":"CAD","in_stock":true},{"title":"575 Volt - 3 Phase","offer_id":54081799291244,"sku":"AN-31-635OEXE4NX","price":1337.01,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1016\/5405\/files\/HCPAN-31SubmersibleDewateringPump.webp?v=1783624723","url":"https:\/\/cleanflow.net\/products\/hcp-an-31-submersible-pump","provider":"Cleanflow","version":"1.0","type":"link"}