{"product_id":"water-saving-faucet-flow-restrictor-non-return-check-valve-series-1-2-shower-flow-limiter-gasket-5l-min-12l-min-atradesen","title":"Water Saving Faucet Flow Restrictor \u0026 Non-Return Check Valve Series | 1\/2\" Shower Flow Limiter Gasket (5L\/min - 12L\/min) - Atradesen","description":"\u003ch2\u003eEco-Water Saving Faucet Flow Restrictor \u0026amp; Non-Return Check Valve Series\u003c\/h2\u003e\n\u003cp\u003e\n  Optimize your residential water usage and stabilize flow rates with our premium shower and faucet flow control series, available at \u003ca href=\"https:\/\/atradesen.com\" target=\"_blank\"\u003eAtradesen.com\u003c\/a\u003e. Crafted with a heavy-duty POM (polyoxymethylene\/copolymer) plastic casing, a robust 304 stainless steel spring, and an EPDM high-grade sealing ring, these precision water restrictors provide high temperature resistance, durability, and corrosion-proof operation. \n\u003c\/p\u003e\n\u003cp\u003e\n  These energy-efficient flow valves are designed to be retrofitted inside standard G1\/2\" (4-point\/4分) threaded shower lines, faucet aerators, or inner piping walls to control, limit, and smooth out standard municipal flow delivery.\n\u003c\/p\u003e\n\n\u003ch3\u003eKey Functions \u0026amp; System Protection\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstant Flow Rate:\u003c\/strong\u003e Engineered to provide a stabilized, pre-selected flow rate (ranging from 5 to 12 L\/min) even under fluctuating water pressures, preventing excessive water consumption.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Scalding Pressure Stabilization:\u003c\/strong\u003e Reduces pressure shocks when multiple appliances (such as washing machines or other faucets) are used simultaneously, protecting users from sudden water temperature spikes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBackflow Prevention:\u003c\/strong\u003e The integrated non-return check valve prevents cross-flow contamination and maintains single-direction pipeline pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAvailable Styles Explained\u003c\/h3\u003e\n\u003cp\u003e\n  Depending on your plumbing setup, select from our four high-performance configurations:\n\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Non-Return Valve (14mm \/ 15mm):\u003c\/strong\u003e Features both a check valve (to stop backflow) and an integrated flow limiting restrictor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Flow Restrictor (14mm):\u003c\/strong\u003e A specialized insert designed solely to limit standard flow rate.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSpacer Flow Restrictor (15mm):\u003c\/strong\u003e A gasket-style flat restrictor washer that drops directly into faucet and shower couplers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrip-Proof Washer (15mm):\u003c\/strong\u003e Provides an high-sealing compression washer action to stop dripping in faucet aerators (does not restrict flow rate).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eG1\/2\" Thread Adapter (Male to Female):\u003c\/strong\u003e Standard 1\/2\" brass thread coupler housing designed to contain the 14mm\/15mm inserts for external in-line installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Size Selection \u0026amp; Clean Water Notice\u003c\/h3\u003e\n\u003cp\u003e\n  \u003cstrong\u003ePlease review these specifications carefully to ensure compatibility:\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasure the Installation Port:\u003c\/strong\u003e Before purchasing, measure the internal diameter of your faucet aerator housing or shower hose joint. Choose the \u003cstrong\u003e14mm\u003c\/strong\u003e or \u003cstrong\u003e15mm\u003c\/strong\u003e insert style based on your measured dimensions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean Water Requirement:\u003c\/strong\u003e These are high-precision micro-valves. They are \u003cstrong\u003eonly suitable for clean, filtered municipal tap water\u003c\/strong\u003e. Any particulate matter, sand, scale, or impurities in the water lines can clog the small flow channels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlow Rate Rating:\u003c\/strong\u003e The L\/min flow rating is measured under standard municipal pressure of \u003cstrong\u003e3 bar (3kg\/cm²)\u003c\/strong\u003e. Flow rates will fluctuate slightly depending on your home's actual water pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f2f2f2; text-align: left;\"\u003e\n      \u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n      \u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDetails\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eCasing Material\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePOM (Polyoxymethylene\/Engineering Plastic)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eSpring Material\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e304 Stainless Steel\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eSealing Ring Material\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eEPDM (Ethylene Propylene Diene Monomer)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eMaximum Pressure\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e0.8 MPa\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eCracking (Opening) Pressure\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e0.5 KPa\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eWorking Temperature\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e0°C to 65°C (32°F to 149°F)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c!-- 内部互联 (Cross-Linking) --\u003e\n\u003cdiv style=\"background-color: #fcfcfc; border: 1px solid #e5e5e5; padding: 15px; border-radius: 6px; margin-top: 30px;\"\u003e\n  \u003cp style=\"margin: 0 0 10px 0; font-size: 15px; font-weight: bold; color: #333;\"\u003eComplete Your Plumbing Project:\u003c\/p\u003e\n  \u003cul style=\"margin: 0; padding-left: 20px; font-size: 14px; color: #555;\"\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n      For mainlines and agricultural pipeline splitting, check out our \n      \u003ca href=\"https:\/\/atradesen.com\/collections\/upvc-pvc-valves\/products\/pvc-3-way-straight-barbed-ball-valve-20mm-75mm-non-toxic-water-splitter-for-aquarium-hydroponics-garden-irrigation-atradesen\" style=\"text-decoration: underline; font-weight: bold; color: #0056b3;\"\u003ePVC 3-Way \u0026amp; Straight Barbed Valves\u003c\/a\u003e.\n    \u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n      Easily repair or extend damaged hoses using our \n      \u003ca href=\"https:\/\/atradesen.com\/collections\/watering-irrigation\/products\/reusable-plastic-garden-hose-repair-splicer-push-fit-compression-hose-mender-connector-atradesen\" style=\"text-decoration: underline; font-weight: bold; color: #0056b3;\"\u003eHose Quick Repair Splicers\u003c\/a\u003e.\n    \u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 0;\"\u003e\n      Building custom filtration manifolds or tanks? Use our \n      \u003ca href=\"https:\/\/atradesen.com\/collections\/fish-tank-intake-drainage-joints\/products\/tianyan-aquarium-pvc-bulkhead-fitting-fish-tank-inlet-outlet-drain-union-overflow-water-connector-20mm-50mm-atradesen\" style=\"text-decoration: underline; font-weight: bold; color: #0056b3;\"\u003eTianyan Aquarium PVC Bulkhead Connectors\u003c\/a\u003e.\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Atradesen","offers":[{"title":"Built-in Non-Return Valve (14mm) \/ 5 L\/min","offer_id":56750926725286,"sku":"Pagoda_Joint_1441","price":0.59,"currency_code":"USD","in_stock":true},{"title":"Built-in Non-Return Valve (14mm) \/ 6 L\/min","offer_id":56750926758054,"sku":"Pagoda_Joint_1442","price":0.59,"currency_code":"USD","in_stock":true},{"title":"Built-in Non-Return Valve (14mm) \/ 7 L\/min","offer_id":56750926790822,"sku":"Pagoda_Joint_1443","price":0.59,"currency_code":"USD","in_stock":true},{"title":"Built-in Non-Return Valve (14mm) \/ 9 L\/min","offer_id":56750926823590,"sku":"Pagoda_Joint_1444","price":0.59,"currency_code":"USD","in_stock":true},{"title":"Built-in Non-Return Valve (14mm) \/ 12 L\/min","offer_id":56750926856358,"sku":"Pagoda_Joint_1445","price":0.59,"currency_code":"USD","in_stock":true},{"title":"Built-in Non-Return Valve (15mm) \/ 5 L\/min","offer_id":56750926889126,"sku":"Pagoda_Joint_1446","price":0.69,"currency_code":"USD","in_stock":true},{"title":"Built-in Non-Return Valve (15mm) \/ 6 L\/min","offer_id":56750926921894,"sku":"Pagoda_Joint_1447","price":0.69,"currency_code":"USD","in_stock":true},{"title":"Built-in Non-Return Valve (15mm) \/ 7 L\/min","offer_id":56750926954662,"sku":"Pagoda_Joint_1448","price":0.69,"currency_code":"USD","in_stock":true},{"title":"Built-in Non-Return Valve (15mm) \/ 9 L\/min","offer_id":56750926987430,"sku":"Pagoda_Joint_1449","price":0.69,"currency_code":"USD","in_stock":true},{"title":"Built-in Non-Return Valve (15mm) \/ 12 L\/min","offer_id":56750927020198,"sku":"Pagoda_Joint_1450","price":0.69,"currency_code":"USD","in_stock":true},{"title":"Built-in Flow Restrictor (14mm) \/ 5 L\/min","offer_id":56750927052966,"sku":"Pagoda_Joint_1451","price":0.49,"currency_code":"USD","in_stock":true},{"title":"Built-in Flow Restrictor (14mm) \/ 6 L\/min","offer_id":56750927085734,"sku":"Pagoda_Joint_1452","price":0.49,"currency_code":"USD","in_stock":true},{"title":"Built-in Flow Restrictor (14mm) \/ 7 L\/min","offer_id":56750927118502,"sku":"Pagoda_Joint_1453","price":0.49,"currency_code":"USD","in_stock":true},{"title":"Built-in Flow Restrictor (14mm) \/ 9 L\/min","offer_id":56750927151270,"sku":"Pagoda_Joint_1454","price":0.49,"currency_code":"USD","in_stock":true},{"title":"Built-in Flow Restrictor (14mm) \/ 12 L\/min","offer_id":56750927184038,"sku":"Pagoda_Joint_1455","price":0.49,"currency_code":"USD","in_stock":true},{"title":"Spacer Flow Restrictor (15mm) \/ 5 L\/min","offer_id":56750927216806,"sku":"Pagoda_Joint_1456","price":0.39,"currency_code":"USD","in_stock":true},{"title":"Spacer Flow Restrictor (15mm) \/ 6 L\/min","offer_id":56750927249574,"sku":"Pagoda_Joint_1457","price":0.39,"currency_code":"USD","in_stock":true},{"title":"Spacer Flow Restrictor (15mm) \/ 7 L\/min","offer_id":56750927282342,"sku":"Pagoda_Joint_1458","price":0.39,"currency_code":"USD","in_stock":true},{"title":"Spacer Flow Restrictor (15mm) \/ 9 L\/min","offer_id":56750927315110,"sku":"Pagoda_Joint_1459","price":0.39,"currency_code":"USD","in_stock":true},{"title":"Spacer Flow Restrictor (15mm) \/ 12 L\/min","offer_id":56750927347878,"sku":"Pagoda_Joint_1460","price":0.39,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/Water_Saving_Faucet_Flow_Restrictor_Non-Return_Check_Valve_Series_12_Shower_Flow_Limiter_Gasket_5Lmin_-_12Lmin_-_Atradesen-001.png?v=1783350687","url":"https:\/\/atradesen.com\/products\/water-saving-faucet-flow-restrictor-non-return-check-valve-series-1-2-shower-flow-limiter-gasket-5l-min-12l-min-atradesen","provider":"Atradesen","version":"1.0","type":"link"}