{"id":1363,"date":"2026-09-02T05:38:17","date_gmt":"2026-09-02T05:38:17","guid":{"rendered":"https:\/\/ions-india.com\/?page_id=1363"},"modified":"2026-09-02T05:50:05","modified_gmt":"2026-09-02T05:50:05","slug":"pressure-sand-filter","status":"publish","type":"page","link":"https:\/\/ions-india.com\/index.php\/pressure-sand-filter\/","title":{"rendered":"Pressure Sand Filter &amp; Filtration Systems"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1363\" class=\"elementor elementor-1363\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b37a53d e-flex e-con-boxed wpr-particle-no wpr-jarallax-no wpr-parallax-no wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no e-con e-parent\" data-id=\"b37a53d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f47a74f elementor-widget elementor-widget-html\" data-id=\"f47a74f\" 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var(--bd);border-radius:14px;padding:16px;display:flex;gap:12px;align-items:start;transition:.2s}\r\n.kp:hover{border-color:var(--teal);box-shadow:0 8px 22px rgba(15,163,177,.12)}\r\n.kp ico{width:32px;height:32px;min-width:32px;border-radius:9px;background:linear-gradient(135deg,var(--teal),var(--teal2));color:var(--navy2);display:grid;place-items:center;font:900 11px 'Poppins'}\r\n.kp b{font:700 12px\/1.4 'Poppins';color:var(--navy)}\r\n\r\n.faq{display:grid;gap:12px;margin-top:24px}\r\n.faq-item{background:#fff;border:1px solid var(--bd);border-radius:14px;padding:18px}\r\n.faq-item q{font:800 13px 'Poppins';color:var(--navy);display:block;quotes:none}\r\n.faq-item a{font:500 12.5px\/1.7 'Inter';color:var(--mut);display:block;margin-top:8px;text-decoration:none}\r\n\r\n@media(max-width:1024px){.hero-wrap,.grid2,.duo{grid-template-columns:1fr}.kp-grid{grid-template-columns:1fr 1fr}.sec{padding:52px 16px}}\r\n@media(max-width:640px){.hero-wrap{padding:18px 12px 0}.h1{font-size:28px !important}.main-img{height:280px !important}.bullet{grid-template-columns:1fr !important}.sec{padding:32px 12px !important}.f-row{grid-template-columns:42px 1fr}.f-row .tag{display:none}.kp-grid{grid-template-columns:1fr !important}.spec-table .row{grid-template-columns:1fr}}\r\n<\/style>\r\n\r\n<section id=\"psf-hero-v2\">\r\n  <div class=\"orb t\"><\/div><div class=\"orb a\"><\/div>\r\n  <div class=\"hero-wrap\">\r\n    <div style=\"grid-column:1\/-1;display:flex;justify-content:space-between;align-items:center;color:#9FB0C3;font:700 10px 'Inter';letter-spacing:1px;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:12px;flex-wrap:wrap;gap:8px\"><div>IONS INDIA \u2022 FILTRATION SYSTEMS MANUFACTURER<\/div><span style=\"display:flex;gap:12px\"><div>\ud83c\udfed FRP \/ MS VESSELS<\/div><div>\u2713 PAN INDIA AMC<\/div><\/span><\/div>\r\n    <div>\r\n      <div class=\"kick\"><i><\/i> FIRST LINE OF DEFENCE \u2022 PSF \u2022 ACF \u2022 IRON REMOVAL \u2022 500+ INSTALLATIONS<\/div>\r\n      <h1 class=\"h1\">Pressure Sand Filter <em>& Filtration<\/em> <br><span class=\"teal\">Systems Manufacturer<\/span><\/h1>\r\n      <p class=\"sub\">Pressure Sand Filters, Activated Carbon Filters & Iron Removal Filters for industrial water pretreatment. Manufacturing, installation & AMC across India. Protects RO membranes, softener resin & boilers from TSS, chlorine & iron.<\/p>\r\n      <div class=\"bullet\">\r\n        <div><i style=\"background:linear-gradient(135deg,#0FA3B1,#2EF2FF);color:var(--navy2)\">PSF<\/i><div><b>Sand + Gravel Media<\/b><small>90% TSS Reduction \u2022 Turbidity Removal<\/small><\/div><\/div>\r\n        <div><i style=\"background:linear-gradient(135deg,#F4A300,#FFD36A);color:var(--navy2)\">ACF<\/i><div><b>Activated Carbon<\/b><small>Chlorine & Organics \u2022 Protects RO Membrane<\/small><\/div><\/div>\r\n        <div><i style=\"background:linear-gradient(135deg,#0B2545,#123a6b);color:#fff\">Fe<\/i><div><b>Iron Removal Filter<\/b><small>High-Iron Borewell \u2022 North & East India<\/small><\/div><\/div>\r\n        <div><i style=\"background:var(--navy);color:#FFD36A\">\u221e<\/i><div><b>Integrated Train<\/b><small>PSF + IRF + ACF \u2192 RO \/ Softener \/ DM<\/small><\/div><\/div>\r\n      <\/div>\r\n    <\/div>\r\n    <div>\r\n      <div class=\"frame\">\r\n        <div class=\"frame-head\"><div>\ud83d\udfe2 CUT-SECTION VIEW \/\/ PSF-48-FR-001<\/div><span>0 PPM TSS TARGET<\/span><\/div>\r\n        <div class=\"main-img\">\r\n          <img decoding=\"async\" src=\"https:\/\/ions-india.com\/wp-content\/uploads\/2026\/09\/Gemini_Generated_Image_emuf6vemuf6vemuf.png\" alt=\"Pressure sand filter vessels\" onerror=\"this.style.display='none'\">\r\n          <div class=\"cut-label\"><b>LAYER 01 \u2022 TOP<\/b> FINE SAND \u2014 0.5mm<br><b>LAYER 02 \u2022 MID<\/b> COARSE SAND \u2014 1.2mm<br><b>LAYER 03 \u2022 BASE<\/b> GRAVEL BED \u2014 5-8mm<br><br>\u21b3 BACKWASH: 24 m\u00b3\/hr\/m\u00b2<\/div>\r\n        <\/div>\r\n        <div class=\"spec-bar\"><div><b>FRP \/ MS<\/b><small>VESSEL MOC<\/small><\/div><div><b>AUTO \/ MANUAL<\/b><small>BACKWASH VALVE<\/small><\/div><div><b>2-3x<\/b><small>RO LIFE \u2191<\/small><\/div><\/div>\r\n      <\/div>\r\n    <\/div>\r\n  <\/div>\r\n  <div class=\"hero-bottom\"><div class=\"con\"><div><b>PSF<\/b> \u2022 Suspended Solids & Turbidity<\/div><div><b>ACF<\/b> \u2022 Chlorine & Organics \u2022 Protects RO Membrane<\/div><div><b>IRF<\/b> \u2022 High Iron Borewell \u2022 North & East India<\/div><div><b>Integrated Train<\/b> \u2022 PSF + IRF + ACF \u2192 RO\/Softener\/DM<\/div><\/div><\/div>\r\n<\/section>\r\n\r\n<section class=\"sec\">\r\n  <span class=\"badge navy\">\ud83d\udee1\ufe0f FIRST LINE OF DEFENCE<\/span>\r\n  <h2 class=\"h2\">Why Filtration is <em>Non-Negotiable<\/em> Before RO<\/h2>\r\n  <p class=\"p\">Before water reaches an RO membrane, a softener resin bed, or a boiler, it usually needs to pass through mechanical and adsorptive filtration to remove suspended solids, turbidity, organic matter, chlorine, and dissolved iron \u2014 all of which can foul or damage downstream equipment if left untreated.<\/p>\r\n  <div class=\"filter-stack\">\r\n    <div class=\"f-row\"><icon>\ud83c\udfdc\ufe0f<\/icon><div><b>Pressure Sand Filter \u2014 Mechanical Filtration<\/b><small>Our Pressure Sand Filters use graded sand and gravel media inside an FRP or mild-steel pressure vessel to remove suspended solids and turbidity from borewell, river, or municipal water, typically achieving significant reduction in Total Suspended Solids before water proceeds to finer treatment stages.<\/small><\/div><div class=\"tag\">TSS \u2193 90%<\/div><\/div>\r\n    <div class=\"f-row\"><icon>\u26ab<\/icon><div><b>Activated Carbon Filter \u2014 Chemical Protection for RO<\/b><small>Activated Carbon Filters use activated carbon media to adsorb chlorine, organic compounds, and taste\/odour-causing substances \u2014 a critical step ahead of any RO membrane, since residual chlorine will degrade thin-film composite RO membranes over time.<\/small><\/div><div class=\"tag\">Cl\u2082 = 0 ppm<\/div><\/div>\r\n    <div class=\"f-row\"><icon>\ud83e\uddf2<\/icon><div><b>Iron Removal Filter \u2014 For North & East India Borewells<\/b><small>In regions where borewell water carries dissolved iron \u2014 common across large parts of North and East India \u2014 untreated iron causes staining, fouls downstream resin and membranes. Our filters use aeration or oxidation followed by specialized media to convert dissolved iron into filterable form.<\/small><\/div><div class=\"tag\">Fe < 0.3 ppm<\/div><\/div>\r\n  <\/div>\r\n<\/section>\r\n\r\n<section class=\"sec sec-dark\">\r\n  <div class=\"grid2\">\r\n    <div>\r\n      <span class=\"badge teal\">\u267b\ufe0f MEDIA LIFE & INTEGRATED TRAIN<\/span>\r\n      <h2 class=\"h2\">Integrated Pretreatment <em>Trains<\/em><\/h2>\r\n      <p class=\"p\">Most industrial water systems need more than one filtration stage working together, and we design pretreatment trains that combine sand filtration, carbon filtration, and iron removal into a coordinated system sized for consistent flow and backwash scheduling.<\/p>\r\n      <div class=\"spec-table\" style=\"margin-top:20px\">\r\n        <div class=\"row\"><div class=\"cell\"><b>\ud83c\udfdc\ufe0f PSF Media Layers<\/b><small>Top: Fine Sand 0.5mm \u2192 Mid: Coarse Sand 1.2mm \u2192 Base: Gravel 5-8mm. Depth engineered per turbidity. Typical life: 3-5 years due to compaction \/ bio fouling.<\/small><\/div><div class=\"cell\"><b>\u26ab ACF Media Life<\/b><small>Shorter life \u2014 adsorption capacity consumed, must replace or thermally reactivate once exhausted. Chlorine breakthrough monitored in AMC.<\/small><\/div><\/div>\r\n        <div class=\"row\"><div class=\"cell\"><b>\ud83e\uddf2 IRF Process<\/b><small>Aeration + oxidation converts Fe\u00b2\u207a \u2192 Fe\u00b3\u207a, then filter media traps it. No chemical dosing in most cases. Must before RO \/ softener.<\/small><\/div><div class=\"cell\"><b>\ud83d\udcb0 Cost-Effective Investment<\/b><small>Proper pretreatment sizing is most cost-effective \u2014 directly extends life of far more expensive RO membranes and ion-exchange resin.<\/small><\/div><\/div>\r\n      <\/div>\r\n    <\/div>\r\n    <div>\r\n      <div style=\"background:#fff;border:1px solid var(--bd);border-radius:18px;overflow:hidden\"><img decoding=\"async\" src=\"https:\/\/ions-india.com\/wp-content\/uploads\/2026\/09\/Gemini_Generated_Image_tlwlg5tlwlg5tlwl.png\" alt=\"Pretreatment train diagram\" style=\"width:100%;height:260px;object-fit:cover\"><div style=\"padding:16px\"><span class=\"badge teal\">INTEGRATED TRAIN<\/span><h4 style=\"font:800 13px 'Poppins';color:var(--navy);margin-top:10px\">PSF + IRF + ACF \u2192 RO \/ Softener \/ DM<\/h4><p style=\"font:500 11px\/1.7 'Inter';color:var(--mut);margin-top:8px\">We design coordinated system sized for consistent flow and backwash scheduling, rather than selling disconnected components that don't work well together.<\/p><\/div><\/div>\r\n      <div style=\"margin-top:14px;background:#fff;border:1px solid var(--bd);border-radius:18px;overflow:hidden\"><img decoding=\"async\" src=\"https:\/\/ions-india.com\/wp-content\/uploads\/2026\/09\/Gemini_Generated_Image_p2o0jhp2o0jhp2o0.png\" alt=\"Activated carbon filter\" style=\"width:100%;height:200px;object-fit:cover\"><div style=\"padding:14px\"><b style=\"font:800 12px 'Poppins';color:var(--navy)\">Activated Carbon Filter \u2014 Sight Glass View<\/b><p style=\"font:500 11px\/1.6 'Inter';color:var(--mut);margin-top:4px\">Dark carbon media visible through sight glass, teal accent piping. Carbon volume sized for adequate dechlorination contact time.<\/p><\/div><\/div>\r\n    <\/div>\r\n  <\/div>\r\n\r\n  <div class=\"duo\">\r\n    <div class=\"card\"><span class=\"badge teal\">\u2699\ufe0f BACKWASH VALVES<\/span><h3 style=\"margin-top:10px\">Manual vs Automatic Backwash Valves<\/h3><p style=\"font:500 12px\/1.7 'Inter';color:var(--mut);margin-top:8px\">Backwash frequency depends on raw water turbidity and flow rate, typically daily to few times per week.<\/p><ul><li><i>M<\/i><div><b style=\"color:var(--navy)\">Manual Multiport:<\/b> Lower cost, suited to smaller installations where operator can reliably perform backwash on schedule<\/div><\/li><li><i>A<\/i><div><b style=\"color:var(--navy)\">Automatic:<\/b> Timer-based or differential-pressure-triggered \u2014 better for larger \/ continuous operations where missed cycle = risk<\/div><\/li><\/ul><\/div>\r\n    <div class=\"card dark\"><span class=\"badge\" style=\"background:rgba(244,163,0,.15);color:var(--amber2);border:1px solid rgba(244,163,0,.25)\">\ud83d\udcb0 ROI<\/span><h3 style=\"margin-top:10px\">Why Proper Sizing Saves Lakhs<\/h3><ul><li><i>\u20b9<\/i><div>Undersized PSF = more backwash = high water waste + poor TSS removal = RO fouling<\/div><\/li><li><i>\u20b9<\/i><div>Oversized = wasted capital + low velocity = poor backwash cleaning<\/div><\/li><li><i>\u2713<\/i><div><b style=\"color:#FFD36A\">Right sizing from water test<\/b> = 2-3x RO life, resin protection, consistent flow<\/div><\/li><\/ul><\/div>\r\n  <\/div>\r\n<\/section>\r\n\r\n<section class=\"sec\">\r\n  <span class=\"badge navy\">\u2705 AT A GLANCE<\/span>\r\n  <h2 class=\"h2\">Key <em>Points<\/em><\/h2>\r\n  <div class=\"kp-grid\">\r\n    <div class=\"kp\"><ico>\ud83c\udfdc\ufe0f<\/ico><b>Pressure Sand Filters remove suspended solids and turbidity<\/b><\/div>\r\n    <div class=\"kp\"><ico>\u26ab<\/ico><b>Activated Carbon Filters remove chlorine and organics, protecting RO membranes<\/b><\/div>\r\n    <div class=\"kp\"><ico>Fe<\/ico><b>Iron Removal Filters treat high-iron borewell water common across North and East India<\/b><\/div>\r\n    <div class=\"kp\"><ico>\u2699\ufe0f<\/ico><b>Manual and automatic backwash valve options available<\/b><\/div>\r\n    <div class=\"kp\"><ico>\ud83d\udcd0<\/ico><b>Vessel size and media depth engineered around raw water quality and flow rate<\/b><\/div>\r\n    <div class=\"kp\"><ico>\ud83d\udd17<\/ico><b>Designed as integrated pretreatment trains ahead of RO, softening or DM plants<\/b><\/div>\r\n    <div class=\"kp\"><ico>\ud83d\udee1\ufe0f<\/ico><b>Extends the working life of downstream membranes and resin<\/b><\/div>\r\n  <\/div>\r\n\r\n  <div style=\"margin-top:32px\">\r\n    <span class=\"badge amber\">\u2753 FAQ<\/span>\r\n    <h2 class=\"h2\">Frequently Asked <em>Questions<\/em><\/h2>\r\n    <div class=\"faq\">\r\n      <div class=\"faq-item\"><q>Q: Why is a pressure sand filter needed before an RO plant?<\/q><a>A: A pressure sand filter removes suspended solids and turbidity that would otherwise clog or foul the RO membrane, extending membrane life and maintaining consistent treated water output.<\/a><\/div>\r\n      <div class=\"faq-item\"><q>Q: What does an activated carbon filter remove that a sand filter doesn't?<\/q><a>A: An activated carbon filter adsorbs dissolved chlorine, organic compounds and odour-causing substances, none of which are removed by a sand filter, which only removes suspended particles and turbidity.<\/a><\/div>\r\n      <div class=\"faq-item\"><q>Q: How do I know if I need an iron removal filter?<\/q><a>A: If borewell water shows orange-brown staining on surfaces, a metallic taste or odour, or a lab report showing elevated dissolved iron, an iron removal filter is typically needed ahead of other treatment stages.<\/a><\/div>\r\n      <div class=\"faq-item\"><q>Q: How often do pressure sand filters need backwashing?<\/q><a>A: Backwash frequency depends on raw water turbidity and flow rate, typically ranging from daily to a few times per week; automatic backwash valves can be set to trigger based on a timer or pressure differential.<\/a><\/div>\r\n      <div class=\"faq-item\"><q>Q: Can these filters be added to an existing water treatment system?<\/q><a>A: Yes, pressure sand filters, activated carbon filters and iron removal filters are commonly retrofitted ahead of an existing RO, softening or DM plant to improve performance and extend the life of that downstream equipment.<\/a><\/div>\r\n    <\/div>\r\n  <\/div>\r\n<\/section>\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>IONS INDIA \u2022 FILTRATION SYSTEMS MANUFACTURER\ud83c\udfed FRP \/ MS VESSELS\u2713 PAN INDIA AMC FIRST LINE OF DEFENCE \u2022 PSF \u2022 ACF \u2022 IRON REMOVAL \u2022 500+ INSTALLATIONS Pressure Sand Filter &#038; Filtration Systems Manufacturer Pressure Sand Filters, Activated Carbon Filters &#038; Iron Removal Filters for industrial water pretreatment. Manufacturing, installation &#038; AMC across India. Protects RO membranes, softener resin &#038; boilers from TSS, chlorine &#038; iron. PSFSand + Gravel Media90% TSS Reduction \u2022 Turbidity Removal ACFActivated CarbonChlorine &#038; Organics \u2022 Protects RO Membrane FeIron Removal FilterHigh-Iron Borewell \u2022 North &#038; East India \u221eIntegrated TrainPSF + IRF + ACF \u2192 RO \/ Softener \/ DM \ud83d\udfe2 CUT-SECTION VIEW \/\/ PSF-48-FR-0010 PPM TSS TARGET LAYER 01 \u2022 TOP FINE SAND \u2014 0.5mmLAYER 02 \u2022 MID COARSE SAND \u2014 1.2mmLAYER 03 \u2022 BASE GRAVEL BED \u2014 5-8mm \u21b3 BACKWASH: 24 m\u00b3\/hr\/m\u00b2 FRP \/ MSVESSEL MOCAUTO \/ MANUALBACKWASH VALVE2-3xRO LIFE \u2191 PSF \u2022 Suspended Solids &#038; TurbidityACF \u2022 Chlorine &#038; Organics \u2022 Protects RO MembraneIRF \u2022 High Iron Borewell \u2022 North &#038; East IndiaIntegrated Train \u2022 PSF + IRF + ACF \u2192 RO\/Softener\/DM \ud83d\udee1\ufe0f FIRST LINE OF DEFENCE Why Filtration is Non-Negotiable Before RO Before water reaches an RO membrane, a softener resin bed, or a boiler, it usually needs to pass through mechanical and adsorptive filtration to remove suspended solids, turbidity, organic matter, chlorine, and dissolved iron \u2014 all of which can foul or damage downstream equipment if left untreated. \ud83c\udfdc\ufe0fPressure Sand Filter \u2014 Mechanical FiltrationOur Pressure Sand Filters use graded sand and gravel media inside an FRP or mild-steel pressure vessel to remove suspended solids and turbidity from borewell, river, or municipal water, typically achieving significant reduction in Total Suspended Solids before water proceeds to finer treatment stages.TSS \u2193 90% \u26abActivated Carbon Filter \u2014 Chemical Protection for ROActivated Carbon Filters use activated carbon media to adsorb chlorine, organic compounds, and taste\/odour-causing substances \u2014 a critical step ahead of any RO membrane, since residual chlorine will degrade thin-film composite RO membranes over time.Cl\u2082 = 0 ppm \ud83e\uddf2Iron Removal Filter \u2014 For North &#038; East India BorewellsIn regions where borewell water carries dissolved iron \u2014 common across large parts of North and East India \u2014 untreated iron causes staining, fouls downstream resin and membranes. Our filters use aeration or oxidation followed by specialized media to convert dissolved iron into filterable form.Fe < 0.3 ppm \u267b\ufe0f MEDIA LIFE &#038; INTEGRATED TRAIN Integrated Pretreatment Trains Most industrial water systems need more than one filtration stage working together, and we design pretreatment trains that combine sand filtration, carbon filtration, and iron removal into a coordinated system sized for consistent flow and backwash scheduling. \ud83c\udfdc\ufe0f PSF Media LayersTop: Fine Sand 0.5mm \u2192 Mid: Coarse Sand 1.2mm \u2192 Base: Gravel 5-8mm. Depth engineered per turbidity. Typical life: 3-5 years due to compaction \/ bio fouling.\u26ab ACF Media LifeShorter life \u2014 adsorption capacity consumed, must replace or thermally reactivate once exhausted. Chlorine breakthrough monitored in AMC. \ud83e\uddf2 IRF ProcessAeration + oxidation converts Fe\u00b2\u207a \u2192 Fe\u00b3\u207a, then filter media traps it. No chemical dosing in most cases. Must before RO \/ softener.\ud83d\udcb0 Cost-Effective InvestmentProper pretreatment sizing is most cost-effective \u2014 directly extends life of far more expensive RO membranes and ion-exchange resin. INTEGRATED TRAIN PSF + IRF + ACF \u2192 RO \/ Softener \/ DM We design coordinated system sized for consistent flow and backwash scheduling, rather than selling disconnected components that don&#8217;t work well together. Activated Carbon Filter \u2014 Sight Glass View Dark carbon media visible through sight glass, teal accent piping. Carbon volume sized for adequate dechlorination contact time. \u2699\ufe0f BACKWASH VALVES Manual vs Automatic Backwash Valves Backwash frequency depends on raw water turbidity and flow rate, typically daily to few times per week. MManual Multiport: Lower cost, suited to smaller installations where operator can reliably perform backwash on schedule AAutomatic: Timer-based or differential-pressure-triggered \u2014 better for larger \/ continuous operations where missed cycle = risk \ud83d\udcb0 ROI Why Proper Sizing Saves Lakhs \u20b9Undersized PSF = more backwash = high water waste + poor TSS removal = RO fouling \u20b9Oversized = wasted capital + low velocity = poor backwash cleaning \u2713Right sizing from water test = 2-3x RO life, resin protection, consistent flow \u2705 AT A GLANCE Key Points \ud83c\udfdc\ufe0fPressure Sand Filters remove suspended solids and turbidity \u26abActivated Carbon Filters remove chlorine and organics, protecting RO membranes FeIron Removal Filters treat high-iron borewell water common across North and East India \u2699\ufe0fManual and automatic backwash valve options available \ud83d\udcd0Vessel size and media depth engineered around raw water quality and flow rate \ud83d\udd17Designed as integrated pretreatment trains ahead of RO, softening or DM plants \ud83d\udee1\ufe0fExtends the working life of downstream membranes and resin \u2753 FAQ Frequently Asked Questions Q: Why is a pressure sand filter needed before an RO plant?A: A pressure sand filter removes suspended solids and turbidity that would otherwise clog or foul the RO membrane, extending membrane life and maintaining consistent treated water output. Q: What does an activated carbon filter remove that a sand filter doesn&#8217;t?A: An activated carbon filter adsorbs dissolved chlorine, organic compounds and odour-causing substances, none of which are removed by a sand filter, which only removes suspended particles and turbidity. Q: How do I know if I need an iron removal filter?A: If borewell water shows orange-brown staining on surfaces, a metallic taste or odour, or a lab report showing elevated dissolved iron, an iron removal filter is typically needed ahead of other treatment stages. Q: How often do pressure sand filters need backwashing?A: Backwash frequency depends on raw water turbidity and flow rate, typically ranging from daily to a few times per week; automatic backwash valves can be set to trigger based on a timer or pressure differential. Q: Can these filters be added to an existing water treatment system?A: Yes, pressure sand filters, activated carbon filters and iron removal filters are commonly retrofitted ahead of an existing RO, softening or DM plant to improve performance and extend the life of that downstream equipment.\n<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_canvas","meta":{"footnotes":""},"class_list":["post-1363","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ions-india.com\/index.php\/wp-json\/wp\/v2\/pages\/1363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ions-india.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ions-india.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ions-india.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ions-india.com\/index.php\/wp-json\/wp\/v2\/comments?post=1363"}],"version-history":[{"count":4,"href":"https:\/\/ions-india.com\/index.php\/wp-json\/wp\/v2\/pages\/1363\/revisions"}],"predecessor-version":[{"id":1370,"href":"https:\/\/ions-india.com\/index.php\/wp-json\/wp\/v2\/pages\/1363\/revisions\/1370"}],"wp:attachment":[{"href":"https:\/\/ions-india.com\/index.php\/wp-json\/wp\/v2\/media?parent=1363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}