{"product_id":"calpeda-nmpm-32-12s-cast-iron-high-flow-centrifugal-pump-for-swimming-pool-circulation-with-brass-impeller","title":"Calpeda NMPM 32\/12S Cast Iron High Flow Centrifugal Pump for Swimming Pool Circulation with Brass Impeller","description":"\u003cp\u003eLarge residential and commercial swimming pool systems can utilize the Calpeda NMPM 32\/12S for high-capacity recirculation and filtration duties where dependable self-priming operation is required. The hydraulic configuration supports circulation of clean or lightly contaminated water containing suspended particles typically present within filtration systems.\u003c\/p\u003e\n\n\u003cp\u003eMaximum flow capacity extends to 400 L\/min while discharge head reaches 23 m depending on installation conditions. Power is supplied through a 230V single-phase motor utilizing 2.1 kW input power and operating at approximately 2900 rpm for stable filtration circulation performance.\u003c\/p\u003e\n\n\u003cp\u003eThe hydraulic assembly incorporates a chrome-plated brass impeller developed for the NMPM 32\/12 series to maintain smooth water movement across larger filtration circuits. Self-priming operation supports suction lift capability up to 7 m, while the integrated strainer basket with 3 mm perforations assists in limiting entry of larger suspended debris into the hydraulic section.\u003c\/p\u003e\n\n\u003cp\u003eCataphoresis-coated cast iron construction across the casing and lantern bracket contributes durability during prolonged wet-duty operation. Mechanical sealing is achieved through carbon ceramic seal faces with FPM elastomer support components, while the motor assembly incorporates capacitor-start operation, integrated thermal overload protection, class F insulation, and IPX4 environmental protection. Water temperatures up to 60°C and working pressures up to 6 bar are supported during service duty.\u003c\/p\u003e\n\n\u003cstrong\u003eFEATURES\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eSelf-priming centrifugal configuration developed for filtration circulation systems\u003c\/li\u003e\n\u003cli\u003eIntegrated basket strainer with 3 mm perforated debris retention openings\u003c\/li\u003e\n\u003cli\u003eChrome-plated brass impeller supporting high-volume water circulation\u003c\/li\u003e\n\u003cli\u003eCataphoresis-coated cast iron structural components for wet environments\u003c\/li\u003e\n\u003cli\u003eClose-coupled pump arrangement minimizing installation complexity\u003c\/li\u003e\n\u003cli\u003eCarbon ceramic shaft seal with FPM elastomer support materials\u003c\/li\u003e\n\u003cli\u003eSingle-phase induction motor with built-in thermal overload protection\u003c\/li\u003e\n\u003cli\u003eClass F insulated motor enclosure with IPX4 protection rating\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Calpeda","offers":[{"title":"Default Title","offer_id":50773537128695,"sku":"NMPM 32\/12S","price":3128.73,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0927\/0116\/3767\/files\/calpeda-nmpm-32-12s-cast-iron-high-flow-centrifugal-pump-for-swimming-pool-circulation-with-brass-impeller.png?v=1778666375","url":"https:\/\/foundationpumps.com.au\/products\/calpeda-nmpm-32-12s-cast-iron-high-flow-centrifugal-pump-for-swimming-pool-circulation-with-brass-impeller","provider":"Foundation Pumps","version":"1.0","type":"link"}