{"product_id":"vontron-reverse-osmosis-membrane-ulp21-4040","title":"Vontron Reverse Osmosis Membrane ULP21-4040","description":"\u003ch1 data-start=\"674\" data-end=\"719\"\u003eVontron Reverse Osmosis Membrane ULP21-4040\u003c\/h1\u003e \u003cp data-start=\"721\" data-end=\"978\"\u003eThe \u003cstrong data-start=\"725\" data-end=\"751\"\u003eRO membrane ULP21-4040\u003c\/strong\u003e is an ultra-low pressure reverse osmosis element designed for efficient and reliable water purification. It is widely used in commercial and light industrial systems where energy efficiency and stable performance are required.\u003c\/p\u003e \u003cp data-start=\"980\" data-end=\"1189\"\u003eBecause this membrane operates effectively at lower feed pressures, it helps reduce pump load and operating costs. In addition, its standard 4040 size allows easy installation in most reverse osmosis housings.\u003c\/p\u003e \u003ch3 data-start=\"1937\" data-end=\"1952\"\u003eKey Features\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e \u003ch4\u003eHigh Flow Capacity and Salt Rejection\u003c\/h4\u003e \u003cul\u003e \u003cli data-start=\"2000\" data-end=\"2131\"\u003eAverage permeate flow of approximately \u003cstrong data-start=\"2039\" data-end=\"2066\"\u003e2400 GPD (≈ 9.1 m³\/day)\u003c\/strong\u003e under standard testing conditions (25 °C, 150 psi, NaCl feed).\u003c\/li\u003e \u003cli data-start=\"2134\" data-end=\"2259\"\u003eStable salt rejection rate around \u003cstrong data-start=\"2168\" data-end=\"2176\"\u003e~99%\u003c\/strong\u003e for effective desalination and purification.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e \u003ch4\u003eUltra-Low Pressure Performance\u003c\/h4\u003e \u003cul\u003e \u003cli data-start=\"2300\" data-end=\"2499\"\u003eDesigned to operate at reduced feed pressures (about two-thirds of regular low-pressure elements), which can lower energy consumption and pump size requirements.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e \u003ch4\u003eLarge Active Membrane Area\u003c\/h4\u003e \u003cul\u003e \u003cli data-start=\"2536\" data-end=\"2678\"\u003eActive membrane area of approximately \u003cstrong data-start=\"2574\" data-end=\"2594\"\u003e90 ft² (~8.4 m²)\u003c\/strong\u003e for high throughput and efficient filtration.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003cli\u003e \u003ch4\u003eBroad Compatibility\u003c\/h4\u003e \u003cul\u003e \u003cli data-start=\"2708\" data-end=\"2798\"\u003eStandard \u003cstrong data-start=\"2717\" data-end=\"2727\"\u003e4″×40″\u003c\/strong\u003e size matches most RO housings for easy integration and retrofitting.\u003c\/li\u003e \u003cli data-start=\"2801\" data-end=\"2927\"\u003eSuitable for surface, municipal, and underground water sources with TDS below ~2000 ppm.\u003c\/li\u003e \u003c\/ul\u003e \u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"2934\" data-end=\"2961\"\u003eTechnical Specifications\u003c\/h3\u003e \u003cdiv class=\"TyagGW_tableContainer\"\u003e \u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\"\u003e \u003ctable class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2963\" data-end=\"3606\"\u003e \u003cthead data-start=\"2963\" data-end=\"2990\"\u003e \u003ctr data-start=\"2963\" data-end=\"2990\"\u003e \u003cth data-start=\"2963\" data-end=\"2979\" data-col-size=\"sm\"\u003eSpecification\u003c\/th\u003e \u003cth data-start=\"2979\" data-end=\"2990\" data-col-size=\"sm\"\u003eDetails\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody data-start=\"3052\" data-end=\"3606\"\u003e \u003ctr data-start=\"3052\" data-end=\"3074\"\u003e \u003ctd data-start=\"3052\" data-end=\"3060\" data-col-size=\"sm\"\u003eModel\u003c\/td\u003e \u003ctd data-start=\"3060\" data-end=\"3074\" data-col-size=\"sm\"\u003eULP21-4040\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3075\" data-end=\"3129\"\u003e \u003ctd data-start=\"3075\" data-end=\"3091\" data-col-size=\"sm\"\u003eMembrane Type\u003c\/td\u003e \u003ctd data-start=\"3091\" data-end=\"3129\" data-col-size=\"sm\"\u003eUltra-Low Pressure TFC RO membrane\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3130\" data-end=\"3182\"\u003e \u003ctd data-start=\"3130\" data-end=\"3154\" data-col-size=\"sm\"\u003eAverage Permeate Flow\u003c\/td\u003e \u003ctd data-start=\"3154\" data-end=\"3182\" data-col-size=\"sm\"\u003e~2400 GPD (≈ 9.1 m³\/day)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3183\" data-end=\"3215\"\u003e \u003ctd data-start=\"3183\" data-end=\"3207\" data-col-size=\"sm\"\u003eStable Salt Rejection\u003c\/td\u003e \u003ctd data-start=\"3207\" data-end=\"3215\" data-col-size=\"sm\"\u003e~99%\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3216\" data-end=\"3260\"\u003e \u003ctd data-start=\"3216\" data-end=\"3239\" data-col-size=\"sm\"\u003eActive Membrane Area\u003c\/td\u003e \u003ctd data-start=\"3239\" data-end=\"3260\" data-col-size=\"sm\"\u003e~90 ft² (~8.4 m²)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3261\" data-end=\"3291\"\u003e \u003ctd data-start=\"3261\" data-end=\"3280\" data-col-size=\"sm\"\u003eSpacer Thickness\u003c\/td\u003e \u003ctd data-start=\"3280\" data-end=\"3291\" data-col-size=\"sm\"\u003e~28 mil\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3292\" data-end=\"3342\"\u003e \u003ctd data-start=\"3292\" data-end=\"3312\" data-col-size=\"sm\"\u003eMax Feed Pressure\u003c\/td\u003e \u003ctd data-start=\"3312\" data-end=\"3342\" data-col-size=\"sm\"\u003eUp to ~600 psi (~4.14 MPa)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3343\" data-end=\"3382\"\u003e \u003ctd data-start=\"3343\" data-end=\"3366\" data-col-size=\"sm\"\u003eMax Feed Temperature\u003c\/td\u003e \u003ctd data-start=\"3366\" data-end=\"3382\" data-col-size=\"sm\"\u003eUp to ~45 °C\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3383\" data-end=\"3417\"\u003e \u003ctd data-start=\"3383\" data-end=\"3410\" data-col-size=\"sm\"\u003eSDI (Silt Density Index)\u003c\/td\u003e \u003ctd data-start=\"3410\" data-end=\"3417\" data-col-size=\"sm\"\u003e≤ 5\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3418\" data-end=\"3457\"\u003e \u003ctd data-start=\"3418\" data-end=\"3444\" data-col-size=\"sm\"\u003eFree Chlorine Tolerance\u003c\/td\u003e \u003ctd data-start=\"3444\" data-end=\"3457\" data-col-size=\"sm\"\u003e\u0026lt; 0.1 ppm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3458\" data-end=\"3490\"\u003e \u003ctd data-start=\"3458\" data-end=\"3481\" data-col-size=\"sm\"\u003epH Range (Operation)\u003c\/td\u003e \u003ctd data-start=\"3481\" data-end=\"3490\" data-col-size=\"sm\"\u003e~3-10\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3491\" data-end=\"3522\"\u003e \u003ctd data-start=\"3491\" data-end=\"3513\" data-col-size=\"sm\"\u003epH Range (Cleaning)\u003c\/td\u003e \u003ctd data-start=\"3513\" data-end=\"3522\" data-col-size=\"sm\"\u003e~2–12\u003c\/td\u003e \u003c\/tr\u003e \u003ctr data-start=\"3523\" data-end=\"3606\"\u003e \u003ctd data-start=\"3523\" data-end=\"3536\" data-col-size=\"sm\"\u003eDimensions\u003c\/td\u003e \u003ctd data-start=\"3536\" data-end=\"3606\" data-col-size=\"sm\"\u003e4″ × 40″ (diameter × length)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003c\/div\u003e \u003ch3 data-start=\"3613\" data-end=\"3624\"\u003eBenefits\u003c\/h3\u003e \u003cul\u003e \u003cli data-start=\"3628\" data-end=\"3720\"\u003e\n\u003cstrong data-start=\"3628\" data-end=\"3659\"\u003eEnergy-efficient operation:\u003c\/strong\u003e Lower feed pressure requirements help cut operating costs.\u003c\/li\u003e \u003cli data-start=\"3723\" data-end=\"3841\"\u003e\n\u003cstrong data-start=\"3723\" data-end=\"3746\"\u003eHigh-quality water:\u003c\/strong\u003e Near-99% salt and contaminant rejection supports safe drinking and industrial process water.\u003c\/li\u003e \u003cli data-start=\"3844\" data-end=\"3939\"\u003e\n\u003cstrong data-start=\"3844\" data-end=\"3865\"\u003eEasy integration:\u003c\/strong\u003e Standard 4040 size fits commonly used RO housings without modification.\u003c\/li\u003e \u003cli data-start=\"3942\" data-end=\"4080\"\u003e\n\u003cstrong data-start=\"3942\" data-end=\"3966\"\u003eDurable performance:\u003c\/strong\u003e Built to handle a wide range of feed water sources within specified limits.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3 data-start=\"4087\" data-end=\"4110\"\u003eTypical Applications\u003c\/h3\u003e \u003cul\u003e \u003cli data-start=\"4114\" data-end=\"4161\"\u003eUpgrading or retrofitting existing RO systems\u003c\/li\u003e \u003cli data-start=\"4164\" data-end=\"4216\"\u003eCommercial and light industrial water purification\u003c\/li\u003e \u003cli data-start=\"4219\" data-end=\"4265\"\u003eDrinking water systems for high-capacity use\u003c\/li\u003e \u003cli data-start=\"4268\" data-end=\"4301\"\u003eBoiler feed water pre-treatment\u003c\/li\u003e \u003cli data-start=\"4304\" data-end=\"4388\"\u003eFood and beverage processing water treatment\u003c\/li\u003e \u003c\/ul\u003e \u003cp style=\"text-align: center;padding-top: 20px\"\u003e\u003c\/p\u003e","brand":"Vontron","offers":[{"title":"Default","offer_id":45115695431749,"sku":"ULP21-4040","price":2499.99,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/8627\/7445\/files\/vontro-ulp21-4040-reverse-osmosis-membrane.jpg?v=1780903053","url":"https:\/\/www.monstermechanical.co.za\/products\/vontron-reverse-osmosis-membrane-ulp21-4040","provider":"Monster Mechanical","version":"1.0","type":"link"}