{"product_id":"ulp11-4040-ultra-low-pressure-ro-membrane-4-40","title":"ULP11-4040 Ultra-Low-Pressure RO Membrane – 4″ × 40″","description":"\u003cp\u003eThe ULP11-4040 Reverse Osmosis Membrane is an ultra-low-pressure membrane element designed for efficient water purification in commercial and light-industrial RO systems. Its standard 4-inch × 40-inch configuration supports installation in compatible 4040 membrane housings and multi-element reverse osmosis equipment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eEngineered to deliver dependable permeate production at lower operating pressure than many conventional low-pressure membrane elements, the ULP11-4040 can help reduce system energy requirements while maintaining effective dissolved-solids rejection. Its spiral-wound membrane construction provides a substantial filtration surface within a compact commercial format.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe membrane is suitable for treating compatible low-salinity feedwater sources, including appropriately pretreated municipal water, groundwater, and surface water. Common applications include commercial drinking-water production, process-water purification, food and beverage operations, boiler-feed pretreatment, laboratory systems, spot-free rinse equipment, and general commercial water treatment.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eProper pretreatment is essential for protecting the membrane from suspended solids, scaling, organic fouling, and oxidizing chemicals. Confirm the feedwater chemistry, system pressure, membrane-housing compatibility, pretreatment requirements, and manufacturer operating limits before installation.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eULP11-4040\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eReverse Osmosis Membrane\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eMaterial\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eThin Film Composite (TFC)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eDiameter\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e4″\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eLength\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e40″\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eActive Membrane Area\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e90 (8.4)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eAverage Permeate GPD\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e2700 (10.2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eStable Rejection Rate%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e98.0\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eMin. Rejection Rate%\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003e97.5\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eConnection\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003cspan\u003eStandard RO end\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTesting Conditions\u003c\/h3\u003e\n\u003cp\u003eTesting Pressure: 150 psi (1.03MPa)\u003c\/p\u003e\n\u003cp\u003eTesting Solution Temperature: 25 ℃\u003c\/p\u003e\n\u003cp\u003eConcentration of Testing Solution (NaCl): 1500ppm\u003c\/p\u003e\n\u003cp\u003epH value of Testing Solution: 7.5\u003c\/p\u003e\n\u003cp\u003eRecovery Rate of Single Element: 15%\u003c\/p\u003e\n\u003ch3\u003eOperation Limits \u0026amp; Conditions\u003c\/h3\u003e\n\u003cp\u003eMax. Working Pressure: 600psi\u003cspan\u003e（\u003c\/span\u003e4.14MPa\u003cspan\u003e)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMax. Volume of Feed Water: 16gpm\u003cspan\u003e（\u003c\/span\u003e3.6 m3\/h\u003cspan\u003e）\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMax. Temperature of Feed Water: 45\u003cspan\u003e℃\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e Max. Feed water SDI15: 5\u003c\/p\u003e\n\u003cp\u003epH Range of Feed Water during Continuous Operation: 3\u003cspan\u003e～\u003c\/span\u003e10\u003c\/p\u003e\n\u003cp\u003epH Range of Feed Water during Chemical Cleaning: 2\u003cspan\u003e～\u003c\/span\u003e12\u003c\/p\u003e\n\u003cp\u003eResidual Chlorine Concentration of Feed Water : \u003cspan\u003e＜\u003c\/span\u003e0.1ppm\u003c\/p\u003e\n\u003cp\u003eMax. Pressure Drop of Single Membrane Element: 15psi\u003cspan\u003e（\u003c\/span\u003e0.1MPa\u003cspan\u003e）\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMax. Pressure Drop of Single Pressure Vessel with Six RO Membranes: 50psi\u003cspan\u003e（\u003c\/span\u003e0.34MPa\u003cspan\u003e）\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eShipping Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOptimal Purity Solutions\u003c\/strong\u003e is committed to fast, reliable, and professional fulfillment for our authorized dealer network.\u003c\/p\u003e\n\u003cp\u003eFulfillment \u0026amp; Processing\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Processing:\u003c\/strong\u003e Most in-stock orders ship within \u003cstrong\u003e1–2 business days\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCustom\/OEM Builds:\u003c\/strong\u003e Lead times vary by configuration; your sales representative will confirm timelines\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eShipping Coverage\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDomestic:\u003c\/strong\u003e Nationwide shipping throughout the United States\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInternational:\u003c\/strong\u003e Available for qualified distributors (terms and transit times vary)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCarriers \u0026amp; Methods\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eShipments are sent via \u003cstrong\u003etrusted national freight and parcel carriers\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLTL\/FTL freight\u003c\/strong\u003e available for pallets and bulk orders\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExpedited shipping options available upon request\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePackaging \u0026amp; Handling\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eProducts are \u003cstrong\u003eprofessionally packaged\u003c\/strong\u003e to protect against damage in transit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePalletized and freight shipments are \u003cstrong\u003esecured and labeled\u003c\/strong\u003e to industry standards\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTracking \u0026amp; Support\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eTracking information is provided once your order ships\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOur logistics team is available to assist with \u003cstrong\u003erouting, delivery coordination, and special requirements\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eImportant Notes\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eShipping costs are calculated based on \u003cstrong\u003eweight, dimensions, destination, and service level\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDamages or discrepancies\u003c\/strong\u003e must be reported within \u003cstrong\u003e48 hours of delivery\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProducts are sold \u003cstrong\u003eexclusively through authorized water treatment dealers and partners\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Optimal Purity Solutions","offers":[{"title":"Default Title","offer_id":67819418452011,"sku":"ULP11-4040","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/9497\/7323\/files\/886b7f_bfd566ba674b472785b4905c2529b67fmv2.png?v=1791813277","url":"https:\/\/shop.optimalpuritysolutions.com\/products\/ulp11-4040-ultra-low-pressure-ro-membrane-4-40","provider":"Optimal Purity Solutions","version":"1.0","type":"link"}