{"title":"Membrane Housings","description":null,"products":[{"product_id":"abs-end-cap-3-4-fnpt-f-c-port-1-2-fnpt-perm-port","title":"ABS End Cap | 3\/4″ FNPT F\/C Port × 1\/2″ FNPT Perm Port","description":"\u003cp\u003eThis \u003cstrong\u003eABS End Cap (3\/4″ FNPT F\/C × 1\/2″ FNPT Perm Port)\u003c\/strong\u003e is engineered for reliable performance in residential and commercial reverse osmosis and water-filtration applications. Manufactured from high-strength ABS plastic, it offers excellent chemical resistance, long service life, and secure threaded connections.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe integrated \u003cstrong\u003eflow-control (F\/C) port\u003c\/strong\u003e and \u003cstrong\u003epermeate port\u003c\/strong\u003e simplify system plumbing while ensuring consistent flow management and leak prevention. Ideal for OEMs, installers, and wholesale distributors seeking dependable filtration components.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e ABS Plastic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePort Size (F\/C):\u003c\/strong\u003e 3\/4″ FNPT\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePort Size (Perm):\u003c\/strong\u003e 1\/2″ FNPT\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThread Type:\u003c\/strong\u003e Female NPT\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Reverse Osmosis \/ Water Filtration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Black (typical)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e RO membranes, filtration housings, OEM assemblies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-strength ABS construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e3\/4″ FNPT Flow Control (F\/C) Port\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1\/2″ FNPT Permeate Port\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCorrosion- and chemical-resistant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLightweight yet durable design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision-molded threads for leak-free sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for residential \u0026amp; commercial RO systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eReverse Osmosis systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWater filtration assemblies\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCommercial \u0026amp; residential filtration units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOEM water-treatment equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReplacement end caps and system upgrades\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrange Phone 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; 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Constructed from fiberglass reinforced plastic (FRP), this housing offers excellent resistance to corrosion, chemicals, and pressure fatigue while maintaining a lightweight profile for easier installation.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned to accommodate one standard 4040 RO membrane, the end-port configuration supports efficient flow distribution and simplified system layout. Precision-molded internal components ensure proper membrane alignment and secure sealing under continuous operation.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\u003cspan\u003e\u003cspan\u003e\u003cspan\u003eThis membrane housing is ideal for applications including commercial water purification, food and beverage processing, spot-free rinse systems, and process water treatment. Built to meet professional system integrator and OEM standards, the First Line 4040 housing delivers consistent performance, durability, and long-term reliability.\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003ch3\u003eTechnical Specification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eBrand: First Line\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eModel: 4040\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMembrane Size: 4″ x 40″\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaximum Working Pressure: 300 PSI\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eConfiguration: End Port\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMembrane Capacity: 1 Element\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMaterial: Fiberglass Reinforced Plastic (FRP)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eApplication: Reverse Osmosis (RO) Systems\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTesting Conditions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTest Pressure:\u003c\/strong\u003e\u003cbr\u003e\n\tEach membrane housing is hydrostatically tested at \u003cstrong\u003e1.5 × the maximum working pressure\u003c\/strong\u003e to verify structural integrity and sealing performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWorking Pressure Rating:\u003c\/strong\u003e\u003cbr\u003e\n\tTested and rated for continuous operation at \u003cstrong\u003e300 PSI or 450 PSI\u003c\/strong\u003e, depending on model.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTest Medium:\u003c\/strong\u003e\u003cbr\u003e\n\tClean water at ambient temperature.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature (Test Basis):\u003c\/strong\u003e\u003cbr\u003e\n\t77°F (25°C)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Operating Temperature:\u003c\/strong\u003e\u003cbr\u003e\n\t113°F (45°C)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePressure Holding Time:\u003c\/strong\u003e\u003cbr\u003e\n\tMaintained at test pressure for a defined duration to ensure no leakage, deformation, or material failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLeak Integrity Test:\u003c\/strong\u003e\u003cbr\u003e\n\tAll ports, end caps, and sealing surfaces are inspected for leaks under pressure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDimensional Verification:\u003c\/strong\u003e\u003cbr\u003e\n\tInternal and external dimensions verified to ensure proper membrane fit and sealing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVisual \u0026amp; Structural Inspection:\u003c\/strong\u003e\u003cbr\u003e\n\tHousing body, ports, and end connections inspected for cracks, fiber separation, or surface defects after pressure testing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDurable FRP Construction\u003c\/strong\u003e\u003cbr\u003e\n\tManufactured from high-strength fiberglass reinforced plastic (FRP) for excellent corrosion resistance, chemical compatibility, and long service life.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCommercial \u0026amp; Industrial Pressure Ratings\u003c\/strong\u003e\u003cbr\u003e\n\tAvailable in pressure ratings up to \u003cstrong\u003e300 PSI and 450 PSI\u003c\/strong\u003e, supporting a wide range of reverse osmosis system designs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMultiple Membrane Sizes Available\u003c\/strong\u003e\u003cbr\u003e\n\tCompatible with standard \u003cstrong\u003e4040 and 8040 reverse osmosis membranes\u003c\/strong\u003e, accommodating both single-element and multi-element systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnd Port \u0026amp; Side Port Configurations\u003c\/strong\u003e\u003cbr\u003e\n\tOffered in end port and side port designs to support flexible system layouts and efficient flow distribution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Sealing \u0026amp; Membrane Alignment\u003c\/strong\u003e\u003cbr\u003e\n\tEngineered internal components ensure secure membrane positioning, consistent sealing, and reliable performance under continuous operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLightweight, High-Strength Design\u003c\/strong\u003e\u003cbr\u003e\n\tFRP construction provides a superior strength-to-weight ratio, making installation and servicing easier than metal alternatives.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCorrosion \u0026amp; Chemical Resistant\u003c\/strong\u003e\u003cbr\u003e\n\tIdeal for harsh water conditions, chemical cleaning cycles, and long-term exposure in commercial and industrial environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOEM \u0026amp; Integrator Ready\u003c\/strong\u003e\u003cbr\u003e\n\tDesigned to meet the requirements of professional installers, OEM skid builders, and system integrators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eVersatile Application Use\u003c\/strong\u003e\u003cbr\u003e\n\tSuitable for commercial RO systems, food \u0026amp; beverage processing, spot-free rinse systems, process water, and purified water applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional-Grade Reliability\u003c\/strong\u003e\u003cbr\u003e\n\tBuilt for dependable, long-term performance in demanding water treatment operations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eCommercial reverse osmosis systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLight industrial water treatment\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFood \u0026amp; beverage RO filtration\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eSpot-free rinse systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProcess and purified water applications\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eShipping Information\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOrange Phone 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":67819419041835,"sku":"FL-4040-300","price":142.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0803\/9497\/7323\/files\/886b7f_5daf53f668b4418ca872c767d38e95f3mv2.png?v=1791813292"}],"url":"https:\/\/shop.optimalpuritysolutions.com\/collections\/membrane-housings.oembed","provider":"Optimal Purity Solutions","version":"1.0","type":"link"}