{"product_id":"12v-solenoid-valve-normally-closed-electric-valve","title":"12V Solenoid Valve - Normally Closed Electric Valve","description":"\u003ch1\u003e12V Solenoid Valve\u003c\/h1\u003e\n\u003cp\u003eThis 12V solenoid valve is an electromechanical device that opens when energized with direct current, allowing liquids or gases to pass through. Normally closed, it blocks flow until powered, making it ideal for automated dispensing, irrigation, and fluid control projects. Its sturdy build and consistent switching ensure reliable operation in maker environments.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\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\u003eRated voltage\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperation mode\u003c\/td\u003e\n\u003ctd\u003eNormally closed (open when energized)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTypical current\u003c\/td\u003e\n\u003ctd\u003e400 mA (±20%)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInlet \/ outlet threads\u003c\/td\u003e\n\u003ctd\u003e1\/2\" BSP (G1\/2)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePressure range\u003c\/td\u003e\n\u003ctd\u003e0 – 0.8 MPa (0 – 8 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBody material\u003c\/td\u003e\n\u003ctd\u003eBrass with nylon-sealed coil\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-automatic-plant-watering-system\"\u003eAutomatic plant watering system controlled by a soil moisture sensor and Arduino.\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eSmart aquarium water changer that drains and refills on a timer.\u003c\/li\u003e\n  \u003cli\u003eHome beverage dispenser with push‑button or RFID activation.\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-soft-robot-pneumatic-actuator\"\u003ePneumatic actuator trigger for soft robotics or workshop automation.\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis valve works with Arduino, Raspberry Pi, ESP32, and any 12V DC power source. Use a relay module or a logic‑level MOSFET (like IRLZ44N) for switching, and always place a flyback diode (1N4007) across the coil to suppress voltage spikes. It pairs well with common garden tap adapters (G1\/2) and 12V power bricks.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect one wire to the positive terminal of a 12V supply and the other to the drain of a MOSFET or the COM of a relay. A flyback diode must be soldered reverse‑biased across the solenoid terminals. The coil draws about 400 mA, so use a supply rated for at least 1A and wires no thinner than 22 AWG.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino?\u003c\/summary\u003e\u003cp\u003eYes, but a relay or MOSFET driver is required because the Arduino cannot source 400 mA directly. Always add a flyback diode to protect the circuit.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan it handle hot water?\u003c\/summary\u003e\u003cp\u003eIt performs best with cold water up to 60°C. At higher temperatures, reduce the maximum pressure and check the seal material compatibility.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat thread adapters do I need?\u003c\/summary\u003e\u003cp\u003eThe valve has 1\/2\" BSP (G1\/2) threads. You can use standard brass or plastic G1\/2 adapters and hose barbs available in most hardware stores.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445157421421,"sku":"CDN-0949","price":240.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_e897cdfc-c414-4920-b758-03fd7b13535b.jpg?v=1781513554","url":"https:\/\/compoden.com\/products\/12v-solenoid-valve-normally-closed-electric-valve","provider":"Compoden","version":"1.0","type":"link"}