{"product_id":"pallas-lp-4040hf","title":"Pallas LP 4040HF 4\" x 40\" Reverse Osmosis Membrane Element High Flow","description":"\u003ch1 data-section-id=\"pgsdx1\" data-start=\"305\" data-end=\"375\" class=\"PDq2pG_selectionAnchorContainer\"\u003ePallas LP 4040HF 4\" x 40\" High Flow Reverse Osmosis Membrane Element\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp data-start=\"377\" data-end=\"730\"\u003eThe \u003cstrong data-start=\"381\" data-end=\"401\"\u003ePallas LP 4040HF\u003c\/strong\u003e is a high-performance \u003cstrong data-start=\"424\" data-end=\"479\"\u003e4\" x 40\" High Flow reverse osmosis membrane element\u003c\/strong\u003e engineered to deliver increased water production while maintaining outstanding salt rejection. Designed for commercial and industrial reverse osmosis systems, the \u003cstrong data-start=\"643\" data-end=\"656\"\u003eLP 4040HF\u003c\/strong\u003e combines high permeate flow with energy-efficient low-pressure operation.\u003c\/p\u003e\n\u003cp data-start=\"732\" data-end=\"921\"\u003eCompatible with standard 4040 membrane housings, the LP 4040HF is an excellent choice for new installations or as a direct replacement membrane where higher production capacity is required.\u003c\/p\u003e\n\u003chr data-start=\"923\" data-end=\"926\"\u003e\n\u003ch1 data-section-id=\"1fhl342\" data-start=\"928\" data-end=\"951\"\u003eHigh Flow Performance\u003c\/h1\u003e\n\u003cp data-start=\"953\" data-end=\"1307\"\u003eThe \u003cstrong data-start=\"957\" data-end=\"970\"\u003eLP 4040HF\u003c\/strong\u003e produces up to \u003cstrong data-start=\"986\" data-end=\"1013\"\u003e12.1 m³\/day (3,200 GPD)\u003c\/strong\u003e while maintaining a \u003cstrong data-start=\"1034\" data-end=\"1068\"\u003estable salt rejection of 99.5%\u003c\/strong\u003e, providing consistently high-quality purified water for demanding applications. The increased flow rate makes it ideal for systems requiring greater water production without sacrificing water quality.\u003c\/p\u003e\n\u003chr data-start=\"1309\" data-end=\"1312\"\u003e\n\u003ch1 data-section-id=\"u0ybrq\" data-start=\"1314\" data-end=\"1328\"\u003eKey Features\u003c\/h1\u003e\n\u003cul data-start=\"1330\" data-end=\"1816\"\u003e\n\u003cli data-section-id=\"1fdqywk\" data-start=\"1330\" data-end=\"1375\"\u003eHigh Flow 4\" x 40\" reverse osmosis membrane\u003c\/li\u003e\n\u003cli data-section-id=\"7zrlgx\" data-start=\"1376\" data-end=\"1420\"\u003eProduces up to \u003cstrong data-start=\"1393\" data-end=\"1420\"\u003e3,200 GPD (12.1 m³\/day)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"11zummu\" data-start=\"1421\" data-end=\"1454\"\u003eStable \u003cstrong data-start=\"1430\" data-end=\"1454\"\u003e99.5% salt rejection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5gzsx6\" data-start=\"1455\" data-end=\"1489\"\u003eMinimum \u003cstrong data-start=\"1465\" data-end=\"1489\"\u003e99.2% salt rejection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qkaj4p\" data-start=\"1490\" data-end=\"1545\"\u003eLow-pressure operation for reduced energy consumption\u003c\/li\u003e\n\u003cli data-section-id=\"otlxpz\" data-start=\"1546\" data-end=\"1588\"\u003eFits all standard 4040 membrane housings\u003c\/li\u003e\n\u003cli data-section-id=\"lwtyy4\" data-start=\"1589\" data-end=\"1653\"\u003eHigh production capacity for commercial and industrial systems\u003c\/li\u003e\n\u003cli data-section-id=\"utbhmx\" data-start=\"1654\" data-end=\"1707\"\u003eThin-film composite polyamide membrane construction\u003c\/li\u003e\n\u003cli data-section-id=\"gsov3g\" data-start=\"1708\" data-end=\"1751\"\u003eLong service life with proper maintenance\u003c\/li\u003e\n\u003cli data-section-id=\"5ukeq\" data-start=\"1752\" data-end=\"1816\"\u003eExcellent replacement for standard 4040 high-flow RO membranes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1818\" data-end=\"1821\"\u003e\n\u003ch1 data-section-id=\"bazihh\" data-start=\"1823\" data-end=\"1845\"\u003eTypical Applications\u003c\/h1\u003e\n\u003cp data-start=\"1847\" data-end=\"1878\"\u003eThe \u003cstrong data-start=\"1851\" data-end=\"1864\"\u003eLP 4040HF\u003c\/strong\u003e is ideal for:\u003c\/p\u003e\n\u003cul data-start=\"1880\" data-end=\"2185\"\u003e\n\u003cli data-section-id=\"1v2mjzp\" data-start=\"1880\" data-end=\"1916\"\u003eCommercial reverse osmosis systems\u003c\/li\u003e\n\u003cli data-section-id=\"1qtiym6\" data-start=\"1917\" data-end=\"1945\"\u003eIndustrial water treatment\u003c\/li\u003e\n\u003cli data-section-id=\"1nw7h9g\" data-start=\"1946\" data-end=\"1979\"\u003eFood and beverage manufacturing\u003c\/li\u003e\n\u003cli data-section-id=\"agn3a2\" data-start=\"1980\" data-end=\"2004\"\u003eHospitality and hotels\u003c\/li\u003e\n\u003cli data-section-id=\"1aoteqq\" data-start=\"2005\" data-end=\"2031\"\u003eCar wash water recycling\u003c\/li\u003e\n\u003cli data-section-id=\"5be9qg\" data-start=\"2032\" data-end=\"2060\"\u003eAgriculture and irrigation\u003c\/li\u003e\n\u003cli data-section-id=\"6a8qd0\" data-start=\"2061\" data-end=\"2097\"\u003ePharmaceutical water pre-treatment\u003c\/li\u003e\n\u003cli data-section-id=\"1avqq0l\" data-start=\"2098\" data-end=\"2124\"\u003eProcess water production\u003c\/li\u003e\n\u003cli data-section-id=\"qpisqw\" data-start=\"2125\" data-end=\"2154\"\u003eDrinking water purification\u003c\/li\u003e\n\u003cli data-section-id=\"w7tmou\" data-start=\"2155\" data-end=\"2185\"\u003eHigh-demand RO installations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2187\" data-end=\"2190\"\u003e\n\u003ch1 data-section-id=\"zjxypn\" data-start=\"2192\" data-end=\"2218\"\u003eTechnical Specifications\u003c\/h1\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"2220\" data-end=\"2865\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"2220\" data-end=\"2245\"\u003e\n\u003ctr data-start=\"2220\" data-end=\"2245\"\u003e\n\u003cth data-start=\"2220\" data-end=\"2236\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"2236\" data-end=\"2245\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"2271\" data-end=\"2865\"\u003e\n\u003ctr data-start=\"2271\" data-end=\"2301\"\u003e\n\u003ctd data-start=\"2271\" data-end=\"2281\" data-col-size=\"sm\"\u003eProduct\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2281\" data-end=\"2301\"\u003ePallas LP 4040HF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2302\" data-end=\"2330\"\u003e\n\u003ctd data-start=\"2302\" data-end=\"2318\" data-col-size=\"sm\"\u003eMembrane Size\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2318\" data-end=\"2330\"\u003e4\" x 40\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2331\" data-end=\"2376\"\u003e\n\u003ctd data-start=\"2331\" data-end=\"2347\" data-col-size=\"sm\"\u003eMembrane Type\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2347\" data-end=\"2376\"\u003eHigh Flow Low Pressure RO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2377\" data-end=\"2420\"\u003e\n\u003ctd data-start=\"2377\" data-end=\"2393\" data-col-size=\"sm\"\u003ePermeate Flow\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2393\" data-end=\"2420\"\u003e12.1 m³\/day (3,200 GPD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2421\" data-end=\"2454\"\u003e\n\u003ctd data-start=\"2421\" data-end=\"2445\" data-col-size=\"sm\"\u003eStable Salt Rejection\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2445\" data-end=\"2454\"\u003e99.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2455\" data-end=\"2489\"\u003e\n\u003ctd data-start=\"2455\" data-end=\"2480\" data-col-size=\"sm\"\u003eMinimum Salt Rejection\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2480\" data-end=\"2489\"\u003e99.2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2490\" data-end=\"2532\"\u003e\n\u003ctd data-start=\"2490\" data-end=\"2513\" data-col-size=\"sm\"\u003eActive Membrane Area\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2513\" data-end=\"2532\"\u003e8.7 m² (94 ft²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2533\" data-end=\"2557\"\u003e\n\u003ctd data-start=\"2533\" data-end=\"2547\" data-col-size=\"sm\"\u003eFeed Spacer\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2547\" data-end=\"2557\"\u003e28 mil\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2558\" data-end=\"2598\"\u003e\n\u003ctd data-start=\"2558\" data-end=\"2587\" data-col-size=\"sm\"\u003eMaximum Operating Pressure\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2587\" data-end=\"2598\"\u003e600 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2599\" data-end=\"2639\"\u003e\n\u003ctd data-start=\"2599\" data-end=\"2631\" data-col-size=\"sm\"\u003eMaximum Operating Temperature\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2631\" data-end=\"2639\"\u003e45°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2640\" data-end=\"2670\"\u003e\n\u003ctd data-start=\"2640\" data-end=\"2658\" data-col-size=\"sm\"\u003eFeed Water Flow\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2658\" data-end=\"2670\"\u003e3.6 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2671\" data-end=\"2700\"\u003e\n\u003ctd data-start=\"2671\" data-end=\"2692\" data-col-size=\"sm\"\u003eOperating pH Range\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2692\" data-end=\"2700\"\u003e2–11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2701\" data-end=\"2729\"\u003e\n\u003ctd data-start=\"2701\" data-end=\"2721\" data-col-size=\"sm\"\u003eCleaning pH Range\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2721\" data-end=\"2729\"\u003e1–13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2730\" data-end=\"2764\"\u003e\n\u003ctd data-start=\"2730\" data-end=\"2754\" data-col-size=\"sm\"\u003eMaximum Pressure Drop\u003c\/td\u003e\n\u003ctd data-start=\"2754\" data-end=\"2764\" data-col-size=\"sm\"\u003e15 psi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2765\" data-end=\"2784\"\u003e\n\u003ctd data-start=\"2765\" data-end=\"2779\" data-col-size=\"sm\"\u003eMaximum SDI\u003c\/td\u003e\n\u003ctd data-start=\"2779\" data-end=\"2784\" data-col-size=\"sm\"\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"2785\" data-end=\"2865\"\u003e\n\u003ctd data-start=\"2785\" data-end=\"2815\" data-col-size=\"sm\"\u003eResidual Chlorine Tolerance\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"2815\" data-end=\"2865\"\u003e\u0026lt;0.1 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2867\" data-end=\"2870\"\u003e\n\u003ch1 data-section-id=\"19eyg97\" data-start=\"2872\" data-end=\"2898\"\u003eStandard Test Conditions\u003c\/h1\u003e\n\u003cp data-start=\"2900\" data-end=\"2963\"\u003ePerformance figures are based on the following test conditions:\u003c\/p\u003e\n\u003cul data-start=\"2965\" data-end=\"3118\"\u003e\n\u003cli data-section-id=\"c937xi\" data-start=\"2965\" data-end=\"2993\"\u003eFeed water: 2,000 ppm NaCl\u003c\/li\u003e\n\u003cli data-section-id=\"1m8eiqc\" data-start=\"2994\" data-end=\"3023\"\u003eOperating pressure: 150 psi\u003c\/li\u003e\n\u003cli data-section-id=\"1vga8qn\" data-start=\"3024\" data-end=\"3049\"\u003eWater temperature: 25°C\u003c\/li\u003e\n\u003cli data-section-id=\"4phtiu\" data-start=\"3050\" data-end=\"3059\"\u003epH: 7–8\u003c\/li\u003e\n\u003cli data-section-id=\"1j43lan\" data-start=\"3060\" data-end=\"3118\"\u003eRecovery rate: 15%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3120\" data-end=\"3123\"\u003e\n\u003ch1 data-section-id=\"1rfazxm\" data-start=\"3125\" data-end=\"3159\"\u003eWhy Choose the Pallas LP 4040HF?\u003c\/h1\u003e\n\u003cp data-start=\"3161\" data-end=\"3485\"\u003eThe \u003cstrong data-start=\"3165\" data-end=\"3185\"\u003ePallas LP 4040HF\u003c\/strong\u003e has been designed for applications where higher water production is essential. Compared with a standard LP 4040 membrane, the High Flow version delivers approximately \u003cstrong data-start=\"3353\" data-end=\"3382\"\u003e18% greater permeate flow\u003c\/strong\u003e while maintaining the same exceptional \u003cstrong data-start=\"3422\" data-end=\"3446\"\u003e99.5% salt rejection\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3487\" data-end=\"3788\"\u003eIts low-pressure operation helps reduce energy costs, while the high rejection rate protects downstream equipment and ensures consistently high-quality product water. Whether used in commercial water treatment or industrial process applications, the LP 4040HF provides reliable, efficient performance.\u003c\/p\u003e\n\u003chr data-start=\"3790\" data-end=\"3793\"\u003e\n\u003ch1 data-section-id=\"hkd5a4\" data-start=\"3795\" data-end=\"3823\"\u003eFrequently Asked Questions\u003c\/h1\u003e\n\u003ch3 data-section-id=\"1e42yxd\" data-start=\"3825\" data-end=\"3886\"\u003eWhat is the difference between the LP 4040 and LP 4040HF?\u003c\/h3\u003e\n\u003cp data-start=\"3888\" data-end=\"4138\"\u003eThe \u003cstrong data-start=\"3892\" data-end=\"3905\"\u003eLP 4040HF\u003c\/strong\u003e is the High Flow version of the standard LP 4040. It produces up to \u003cstrong data-start=\"3974\" data-end=\"3987\"\u003e3,200 GPD\u003c\/strong\u003e, compared with \u003cstrong data-start=\"4003\" data-end=\"4016\"\u003e2,700 GPD\u003c\/strong\u003e for the standard model, while maintaining the same \u003cstrong data-start=\"4068\" data-end=\"4099\"\u003e99.5% stable salt rejection\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3 data-section-id=\"12en15u\" data-start=\"4140\" data-end=\"4194\"\u003eDoes the LP 4040HF fit standard membrane housings?\u003c\/h3\u003e\n\u003cp data-start=\"4196\" data-end=\"4337\"\u003eYes. The LP 4040HF is manufactured to the industry-standard \u003cstrong data-start=\"4256\" data-end=\"4268\"\u003e4\" × 40\"\u003c\/strong\u003e dimensions and fits standard 4040 reverse osmosis membrane housings.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1dwrpzb\" data-start=\"4339\" data-end=\"4361\"\u003eWhat does HF mean?\u003c\/h3\u003e\n\u003cp data-start=\"4363\" data-end=\"4538\"\u003e\u003cstrong data-start=\"4363\" data-end=\"4369\"\u003eHF\u003c\/strong\u003e stands for \u003cstrong data-start=\"4381\" data-end=\"4394\"\u003eHigh Flow\u003c\/strong\u003e, indicating that the membrane has been designed to produce a higher volume of purified water while maintaining excellent rejection performance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"qebd1f\" data-start=\"4540\" data-end=\"4575\"\u003eWhat water output can I expect?\u003c\/h3\u003e\n\u003cp data-start=\"4577\" data-end=\"4804\"\u003eUnder standard test conditions, the membrane produces up to \u003cstrong data-start=\"4637\" data-end=\"4676\"\u003e3,200 gallons per day (12.1 m³\/day)\u003c\/strong\u003e. Actual production will depend on feed water quality, operating pressure and temperature.\u003c\/p\u003e","brand":"Pallas","offers":[{"title":"Default Title","offer_id":57629930520958,"sku":"11066000008","price":115.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/3227\/4627\/files\/lp4040hf-1.jpg?v=1782912383","url":"https:\/\/www.gapswater.co.uk\/products\/pallas-lp-4040hf","provider":"GAPS Water Treatment","version":"1.0","type":"link"}