{"product_id":"grundfos-cm-25-a-horizontal-multistage-pump","title":"Grundfos CM 25-A Horizontal Multistage Pump, Cast Iron","description":"\u003c!-- TABS --\u003e\u003ch5\u003eDescription\u003c\/h5\u003e\u003cdiv class=\"gs\"\u003e\n\u003cdiv class=\"gs-head\"\u003e\n\u003cdiv class=\"gs-eyebrow\"\u003eGRUNDFOS · HORIZONTAL MULTISTAGE PUMP\u003c\/div\u003e\n\u003cdiv class=\"gs-title\"\u003eCM 25-A — Cast Iron \/ 304 Stainless Steel\u003c\/div\u003e\n\u003cdiv class=\"gs-sub\"\u003eHorizontal multistage end-suction pump; cast iron pump housing with 304 stainless steel chambers and impellers. 2 models from CM 25-1 to CM 25-2, 5.4 to 8.6 HP, 2 in NPT(F) ports, AQQE (EPDM) or AQQV (FKM) shaft seal.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-badges\"\u003e\n\u003cdiv class=\"gs-badge\" style=\"background:#B3122A;color:#FFFFFF;border-color:#B3122A\"\u003e90-173 ft (38-75 PSI) Max Head · 161.3-161.4 GPM Max\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003e5.4-8.6 HP\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003e208-230\/440-480V 3Ph\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003e2 in NPT(F) Ports\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eEnd Suction, Top Discharge\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eClose-Coupled Motor, IP55\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003e145 PSI Max Operating Pressure\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003eNSF\/ANSI 61\u003c\/div\u003e\n\u003cdiv class=\"gs-badge\"\u003e86-119 lb Weight\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eOverview\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\n\u003cp\u003eThe CM 25-A is a compact, close-coupled horizontal multistage pump: suction enters at the end, discharge leaves at the top, and the pump is close-coupled to its motor on a common base. The pump housing and base are cast iron (ASTM A48-25A); chambers, impellers and shaft are stainless steel (AISI 304). Grundfos rates the CM 25 at 116 GPM nominal duty; size it from the performance table below.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2 models, CM 25-1 to CM 25-2, 5.4 to 8.6 HP\u003c\/li\u003e\n\u003cli\u003eSupply: 208-230\/440-480V 3Ph\u003c\/li\u003e\n\u003cli\u003e2 in NPT(F) suction and discharge; optional Grundfos flange, Victaulic and Tri-Clamp connection sets are listed separately\u003c\/li\u003e\n\u003cli\u003eAQQE (EPDM) or AQQV (FKM) shaft seal, silicon carbide faces\u003c\/li\u003e\n\u003cli\u003eMaximum operating pressure 145 PSI\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#FFFFFF;border:1px solid #C7CBD1;border-top:3px solid #B3122A;padding:12px 16px 12px;margin:16px 0 4px;font-size:13.5px;line-height:1.55;color:#4A4A4F\"\u003e\n\u003cdiv style=\"font-family:Arial Black,Arial,sans-serif;font-size:11px;letter-spacing:1.2px;text-transform:uppercase;color:#B3122A;margin-bottom:8px\"\u003eWhat Ships and What It Needs to Run\u003c\/div\u003e\n\u003cp style=\"margin:0 0 6px\"\u003e\u003cstrong style=\"color:#B3122A\"\u003eIncluded:\u003c\/strong\u003e the CM 25 pump and its motor, factory-assembled as one close-coupled unit.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 6px\"\u003e\u003cstrong style=\"color:#B3122A\"\u003eOptional:\u003c\/strong\u003e \u003ca href=\"\/products\/grundfos-cm-cme-pipe-connections\"\u003eGrundfos flange, Victaulic or Tri-Clamp connection sets\u003c\/a\u003e for the NPT ports.\u003c\/p\u003e\n\u003cp style=\"margin:0\"\u003e\u003cstrong style=\"color:#B3122A\"\u003eSuction and discharge piping, valves, power supply, disconnect and motor protection:\u003c\/strong\u003e sized to your system and ordered separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#E1E3E6;border-left:3px solid #B8BDC4;padding:8px 14px;font-size:11.5px;color:#4A4A4F;margin-top:14px;line-height:1.5\"\u003eGenuine Grundfos equipment, factory-new in original packaging — sold and supported by Watermain Supply, an independent industrial supplier.\u003c\/div\u003e\n\u003cdiv style=\"border:1px solid #C7CBD1;border-left:3px solid #B3122A;padding:10px 14px;margin:14px 0 4px;font-size:13.5px;line-height:1.55;color:#4A4A4F\"\u003e\n\u003cstrong style=\"color:#B3122A\"\u003eWarranty:\u003c\/strong\u003e 24 months from date of installation, but not more than 30 months from date of manufacture (Grundfos limited warranty). Grundfos repairs or replaces its own product; costs of removal, installation and transportation are not covered, and products sold but not manufactured by Grundfos carry their own manufacturer’s warranty.\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eSpecifications\u003c\/div\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal flow\u003c\/td\u003e\n\u003ctd\u003e116 GPM (Grundfos nominal duty)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShut-off head range\u003c\/td\u003e\n\u003ctd\u003e90 to 173 ft (38 to 75 PSI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor power range\u003c\/td\u003e\n\u003ctd\u003e5.4 to 8.6 HP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply\u003c\/td\u003e\n\u003ctd\u003e208-230\/440-480V 3Ph\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003eClose-coupled, 2-pole, IP55, 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSuction and discharge ports\u003c\/td\u003e\n\u003ctd\u003e2 in NPT(F); end suction, top discharge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum operating pressure\u003c\/td\u003e\n\u003ctd\u003e145 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft seal\u003c\/td\u003e\n\u003ctd\u003eAQQE (silicon carbide \/ silicon carbide, EPDM) or AQQV (silicon carbide \/ silicon carbide, FKM)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid temperature\u003c\/td\u003e\n\u003ctd\u003e−4 °F to 194 °F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump orientation\u003c\/td\u003e\n\u003ctd\u003eHorizontal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprovals\u003c\/td\u003e\n\u003ctd\u003ecURus; NSF\/ANSI 61 drinking water (Grundfos product data)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eModels \u0026amp; Performance — Will It Do What You Need?\u003c\/div\u003e\n\u003cp style=\"font-size:13.5px;margin-bottom:10px\"\u003eFind the pressure you need at your flow and pick the first model that reaches it. Pressure at flow in PSI, one row per model and motor.\u003c\/p\u003e\n\u003cdetails open style=\"margin:0 0 10px\"\u003e\u003csummary style=\"cursor:pointer;font-weight:600;margin-bottom:8px\"\u003eCM 25-1 to CM 25-2 · 2 curves\u003c\/summary\u003e\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eModel (HP)\u003c\/th\u003e\n\u003cth\u003e0 GPM (Shut-off)\u003c\/th\u003e\n\u003cth\u003e32 GPM\u003c\/th\u003e\n\u003cth\u003e80 GPM\u003c\/th\u003e\n\u003cth\u003e120 GPM\u003c\/th\u003e\n\u003cth\u003e160 GPM\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCM 25-1 (5.4 HP)\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e39\u003c\/td\u003e\n\u003ctd\u003e38\u003c\/td\u003e\n\u003ctd\u003e34\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCM 25-2 (8.6 HP)\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e75\u003c\/td\u003e\n\u003ctd\u003e69\u003c\/td\u003e\n\u003ctd\u003e53\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e\u003cp style=\"font-size:12.5px;color:#9B9EA3;margin-top:8px;line-height:1.55\"\u003ePressure the pump develops at each flow, in PSI, rounded down (feet = PSI × 2.31). Shut-off is read from the Grundfos curve at zero flow. Flow columns are read from the curve on the Grundfos 60 Hz chart for each model and motor (water at 68 °F), digitized and rounded down, at 20%, 50%, 75% and 100% of 160 GPM, the last regular flow every curve in this listing reaches; the curves end at 161.3 to 161.4 GPM. On CM 25-1 (5.4 HP), CM 25-2 (8.6 HP) the curve rises above its zero-flow head at low flow (by up to 3 ft); the flow columns follow the curve. Full Grundfos curves are in the product images.\u003c\/p\u003e\n\u003cdiv style=\"display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 4px\"\u003e\n\u003ca href=\"\/pages\/well-irrigation-pump-sizing-calculator\" style=\"flex:1 1 200px;text-align:center;display:block;background:#B3122A;color:#ffffff;font-family:Arial Black,Arial,sans-serif;font-size:12px;text-transform:uppercase;letter-spacing:1.2px;padding:11px 18px;text-decoration:none\"\u003eWell \u0026amp; Irrigation Calculator\u003c\/a\u003e\u003ca href=\"\/pages\/pressure-tank-sizing-calculator\" style=\"flex:1 1 200px;text-align:center;display:block;background:#B3122A;color:#ffffff;font-family:Arial Black,Arial,sans-serif;font-size:12px;text-transform:uppercase;letter-spacing:1.2px;padding:11px 18px;text-decoration:none\"\u003eTank Calculator\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eBefore You Buy — The Limits That Decide the Fit\u003c\/div\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eCheck\u003c\/th\u003e\n\u003cth\u003eWhat decides the fit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDuty point\u003c\/td\u003e\n\u003ctd\u003eThe model’s pressure at your flow must cover the system’s total head; shut-off is the head at zero flow (on some models the curve rises slightly above it at low flow; the table shows it).\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking pressure\u003c\/td\u003e\n\u003ctd\u003eInlet pressure plus the pressure the pump adds must stay within 145 PSI.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLiquid temperature\u003c\/td\u003e\n\u003ctd\u003e−4 °F to 194 °F.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft seal\u003c\/td\u003e\n\u003ctd\u003eAQQE has EPDM rubber parts and AQQV has FKM; choose the rubber that suits the pumped liquid.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eSupply at the voltage and phase shown in the selected option.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnections\u003c\/td\u003e\n\u003ctd\u003e2 in NPT(F) threaded ports; flange, Victaulic and Tri-Clamp sets are optional.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eApplications\u003c\/div\u003e\n\u003cdiv class=\"gs-lead\"\u003e\u003cp\u003ePressure boosting in buildings and small water supply systems, HVAC heating and cooling circulation, washing and cleaning, water treatment, light industrial process water and irrigation (Grundfos CM range applications).\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-sec\"\u003e\n\u003cdiv class=\"gs-h\"\u003eMaterials of Construction\u003c\/div\u003e\n\u003cdiv class=\"table-wrapper\"\u003e\u003ctable class=\"gs-tbl\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePump housing and base\u003c\/td\u003e\n\u003ctd\u003eCast iron, ASTM A48-25A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChambers and impellers\u003c\/td\u003e\n\u003ctd\u003eStainless steel AISI 304\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft seal faces\u003c\/td\u003e\n\u003ctd\u003eSilicon carbide \/ silicon carbide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeal and O-ring rubber\u003c\/td\u003e\n\u003ctd\u003eEPDM (AQQE) or FKM (AQQV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gs-contact\"\u003eFor engineering-led sizing and selection support or a factory submittal, email \u003ca href=\"mailto:sales@watermainsupply.com\"\u003esales@watermainsupply.com\u003c\/a\u003e or call \u003ca href=\"tel:18885104036\"\u003e1-888.510.4036\u003c\/a\u003e.\u003cbr\u003e© Watermain Supply — A division of E4 Industrial LLC\u003c\/div\u003e\n\u003c\/div\u003e\u003ch5\u003eData Sheet\u003c\/h5\u003e\u003cdiv class=\"gs\"\u003e\u003cdiv class=\"gs-dl\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/Grundfos_CM_A_I_G_Data_Booklet.pdf?v=1789539668\" target=\"_blank\" rel=\"noopener\"\u003eCM-A, CM-I, CM-G Data Booklet (60 Hz, US)\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/Grundfos_CM_Installation_and_Operating_Instructions.pdf?v=1789539668\" target=\"_blank\" rel=\"noopener\"\u003eCM Installation and Operating Instructions\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/Grundfos_CM_CME_Data_Booklet.pdf?v=1789539677\" target=\"_blank\" rel=\"noopener\"\u003eCM, CME Data Booklet\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/Grundfos_CM_Quick_Guide.pdf?v=1789539671\" target=\"_blank\" rel=\"noopener\"\u003eCM Quick Guide\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/Grundfos_CM_CME_Service_Kit_Catalogue.pdf?v=1789539670\" target=\"_blank\" rel=\"noopener\"\u003eCM, CME and Boosters Service Kit Catalogue\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003ch5\u003eVideos\u003c\/h5\u003e\u003cdiv class=\"gs\"\u003e\u003cp style=\"color:#9B9EA3;font-size:13px\"\u003eVideos for this product are being added.\u003c\/p\u003e\u003c\/div\u003e\u003c!-- \/TABS --\u003e","brand":"Grundfos","offers":[{"title":"5.4 HP - 208-230\/440-480V 3Ph \/ AQQE - EPDM \/ CM 25-1 - 39 PSI Max, 161 GPM Max","offer_id":50788951654575,"sku":"97568598","price":3395.37,"currency_code":"USD","in_stock":true},{"title":"5.4 HP - 208-230\/440-480V 3Ph \/ AQQV - FKM \/ CM 25-1 - 39 PSI Max, 161 GPM Max","offer_id":50788951687343,"sku":"97568600","price":3493.89,"currency_code":"USD","in_stock":true},{"title":"8.6 HP - 208-230\/440-480V 3Ph \/ AQQE - EPDM \/ CM 25-2 - 76 PSI Max, 161 GPM Max","offer_id":50788951720111,"sku":"99059749","price":4045.56,"currency_code":"USD","in_stock":true},{"title":"8.6 HP - 208-230\/440-480V 3Ph \/ AQQV - FKM \/ CM 25-2 - 76 PSI Max, 161 GPM Max","offer_id":50788951752879,"sku":"99327184","price":4137.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0264\/1913\/4527\/files\/Grundfos_CM_25_A_Horizontal_Multistage_Pump_0151e971-1161-49f8-9905-d7f82404b7ba.png?v=1793299468","url":"https:\/\/watermainsupply.com\/products\/grundfos-cm-25-a-horizontal-multistage-pump","provider":"Watermainsupply","version":"1.0","type":"link"}