{"product_id":"miniature-diaphragm-liquid-pump-pml5331-nf10-12v-3-7w","title":"Miniature Diaphragm Liquid Pump PML5331-NF10 12V 3.7W","description":"\n\u003ch2\u003eMiniature Diaphragm Liquid Pump PML5331-NF10 | 12V DC, 3.7W\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003ePML5331-NF10 Miniature Diaphragm Liquid Pump\u003c\/strong\u003e is a compact, efficient 12V DC pump designed for precision fluid transfer in a wide range of DIY, electronic, and industrial applications. Running at just 3.7W and 0.31A, this low-power diaphragm pump delivers reliable, self-priming liquid movement in a small, lightweight form factor — ideal for prototyping, lab equipment, beverage dispensing systems, aquaponics, cooling circuits, and more.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Diaphragm Design:\u003c\/strong\u003e Self-priming mechanism allows operation without pre-filling — simply connect and run.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12V DC Operation:\u003c\/strong\u003e Compatible with standard 12V power supplies, battery packs, and microcontroller-driven systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Low Power Draw:\u003c\/strong\u003e At only 3.7W \/ 0.31A, this pump is energy-efficient and safe for continuous or intermittent use in low-power setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuiet \u0026amp; Smooth Flow:\u003c\/strong\u003e Diaphragm technology minimises vibration and noise compared to traditional gear or centrifugal pumps.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Liquid Compatibility:\u003c\/strong\u003e Suitable for water and many non-aggressive liquids, making it a go-to choice for DIY electronics, hydroponics, and small-scale automation projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to handle extended use cycles with minimal maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePML5331-NF10\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.7W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.31A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePump Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDiaphragm (Self-Priming)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY electronics \u0026amp; maker projects\u003c\/li\u003e\n  \u003cli\u003eHydroponics \u0026amp; aquaponics systems\u003c\/li\u003e\n  \u003cli\u003eLiquid dispensing machines\u003c\/li\u003e\n  \u003cli\u003eSmall-scale cooling circuits\u003c\/li\u003e\n  \u003cli\u003eLab \u0026amp; scientific equipment\u003c\/li\u003e\n  \u003cli\u003eBeverage \u0026amp; water dispensing prototypes\u003c\/li\u003e\n  \u003cli\u003eRobotics \u0026amp; automation builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-scr-solid-state-relay-switch-module-dc3-24v-40a-optocoupler\"\u003e1-Channel SCR Solid State Relay Module DC3-24V 40A Optocoupler\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-4w-solar-bird-bath-fountain-pump-6-nozzles-4-crash-bars\"\u003e1.4W Solar Bird Bath Fountain Pump – 6 Nozzles \u0026amp; 4 Bars\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor general guidance on safe electrical DIY practices and component handling, visit \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety Resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What type of liquids is the PML5331-NF10 diaphragm pump compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: The PML5331-NF10 miniature diaphragm liquid pump is suitable for water and most non-aggressive, non-corrosive liquids. It is not recommended for use with strong acids, solvents, or highly viscous fluids unless the pump materials have been verified to be compatible.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the PML5331-NF10 self-priming?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the diaphragm design makes this pump self-priming. It does not need to be submerged or pre-filled to begin operation — simply connect it to a 12V DC power source and it will draw liquid automatically.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I control this pump with an Arduino or Raspberry Pi?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. At 12V DC and only 0.31A draw, this pump can be easily controlled via a relay module or MOSFET switch driven by an Arduino, Raspberry Pi, or any other microcontroller, making it perfect for automated DIY liquid-dispensing or cooling projects.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between a diaphragm pump and a centrifugal pump?\u003c\/h4\u003e\n\u003cp\u003eA: A diaphragm pump uses a flexible membrane to move liquid in discrete strokes, making it self-priming, quieter, and capable of running dry without immediate damage. A centrifugal pump uses a spinning impeller and must usually be submerged or primed before use. For small-scale, intermittent-use applications, diaphragm pumps like the PML5331-NF10 are often preferred.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What type of liquids is the PML5331-NF10 diaphragm pump compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The PML5331-NF10 miniature diaphragm liquid pump is suitable for water and most non-aggressive, non-corrosive liquids. It is not recommended for use with strong acids, solvents, or highly viscous fluids unless the pump materials have been verified to be compatible.\"}}, {\"@type\": \"Question\", \"name\": \"Is the PML5331-NF10 self-priming?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the diaphragm design makes this pump self-priming. It does not need to be submerged or pre-filled to begin operation — simply connect it to a 12V DC power source and it will draw liquid automatically.\"}}, {\"@type\": \"Question\", \"name\": \"Can I control this pump with an Arduino or Raspberry Pi?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. At 12V DC and only 0.31A draw, this pump can be easily controlled via a relay module or MOSFET switch driven by an Arduino, Raspberry Pi, or any other microcontroller, making it perfect for automated DIY liquid-dispensing or cooling projects.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between a diaphragm pump and a centrifugal pump?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A diaphragm pump uses a flexible membrane to move liquid in discrete strokes, making it self-priming, quieter, and capable of running dry without immediate damage. A centrifugal pump uses a spinning impeller and must usually be submerged or primed before use. For small-scale, intermittent-use applications, diaphragm pumps like the PML5331-NF10 are often preferred.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/oasis-select.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Miniature Diaphragm Liquid Pump PML5331-NF10 12V 3.7W\", \"item\": \"https:\/\/oasis-select.com\/products\/miniature-diaphragm-liquid-pump-pml5331-nf10-12v-3-7w\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"Default Title","offer_id":47744900759657,"sku":"\u003cnone\u003e","price":182.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S54ce292d25804652a299fbf0ba5da890q.webp?v=1783028085","url":"https:\/\/oasis-select.com\/products\/miniature-diaphragm-liquid-pump-pml5331-nf10-12v-3-7w","provider":"Oasis Select","version":"1.0","type":"link"}