{"id":929,"date":"2026-07-08T19:11:10","date_gmt":"2026-07-08T11:11:10","guid":{"rendered":"https:\/\/borrapumps.com\/blog\/booster-pump-cavitation-causes-and-fixes\/"},"modified":"2026-07-08T23:48:47","modified_gmt":"2026-07-08T15:48:47","slug":"booster-pump-cavitation-causes-and-fixes","status":"publish","type":"post","link":"https:\/\/borrapumps.com\/fr\/blog\/booster-pump-cavitation-causes-and-fixes\/","title":{"rendered":"Booster Pump Cavitation Causes and Fixes for Building Water Systems"},"content":{"rendered":"<div class=\"b2b-article\" style=\"max-width:820px;margin:0 auto;\">\n<p style=\"margin:0 0 16px;line-height:1.7;\"><strong>Booster pump cavitation<\/strong> damages impellers and destabilizes pressure when net positive suction head available (NPSHa) falls below the pump&#8217;s NPSHr at the operating flow. This guide focuses on practical evaluation steps for U.S. industrial and commercial buyers\u2014hydraulic duty, documentation, and lifecycle support\u2014not generic marketing claims. Where equipment selection is involved, cross-check public specifications on borrapumps.com and confirm project-specific limits with your consulting engineer or AHJ. Section checklists can be reused as RFQ attachments and commissioning handover outlines.<\/p>\n<nav style=\"background:#f7f9fb;border:1px solid #e3e8ee;border-radius:8px;padding:14px 18px;margin:0 0 24px;\">\n<p style=\"margin:0 0 16px;line-height:1.7;\"><strong>On this page<\/strong><\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7;\">\n<li style=\"margin:0 0 16px;line-height:1.7;\"><a href=\"#part-1-how-cavitation-shows-up-in-booster-system\">Part 1. How Cavitation Shows Up in Booster Systems<\/a><\/li>\n<li style=\"margin:0 0 16px;line-height:1.7;\"><a href=\"#part-2-root-causes-npsha-suction-piping-and-oper\">Part 2. Root Causes: NPSHa, Suction Piping, and Operating Point<\/a><\/li>\n<li style=\"margin:0 0 16px;line-height:1.7;\"><a href=\"#part-3-corrective-actions-and-when-to-resize\">Part 3. Corrective Actions and When to Resize<\/a><\/li>\n<li style=\"margin:0 0 16px;line-height:1.7;\"><a href=\"#part-4-documentation-and-handover-checklist\">Part 4. Documentation and Handover Checklist<\/a><\/li>\n<li style=\"margin:0 0 16px;line-height:1.7;\"><a href=\"#part-5-commissioning-monitoring-and-long-term-op\">Part 5. Commissioning, Monitoring, and Long-Term Operations<\/a><\/li>\n<\/ul>\n<\/nav>\n<figure style=\"margin:26px 0;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px;\" src=\"\/wp-content\/uploads\/2026\/07\/booster-pump-cavitation-causes-and-fixes-cover-3.webp\" alt=\"booster pump cavitation concept illustration with official product background (not a real site photo)\" width=\"640\" height=\"360\"\/><\/figure>\n<h2 id=\"part-1-how-cavitation-shows-up-in-booster-system\" style=\"margin:42px 0 14px;font-size:1.35em;line-height:1.3;\">Part 1. How Cavitation Shows Up in Booster Systems<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Operators often hear gravel-like noise or see vibration when the impeller eye sees partial vacuum bubbles collapsing.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Discharge pressure may hunt or drop at night when tank level falls and suction margin shrinks.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Pitting on impellers and housings appears after sustained cavitation\u2014replacement cost exceeds prevention.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Booster pumps add head to overcome elevation, friction, and fixture pressure requirements in distribution systems.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Fixed-speed and VFD-controlled units differ in hunting behavior, energy use, and minimum flow requirements.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Compare <a href=\"https:\/\/borrapumps.com\/product\/cdlf-vertical-multistage-jockey-pump\/\">booster and jockey pumps<\/a> curves at both design flow and minimum night-time demand.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Capture rated flow, total dynamic head, fluid properties, and suction conditions in the RFQ package to reduce back-and-forth during technical review.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">If the site mixes intermittent peaks and sustained duty, size the driver for the governing thermal condition\u2014not catalog nameplate alone.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Define acceptance criteria before shipment\u2014flow, head, efficiency, or NFPA witness points\u2014so commissioning disputes are less likely.<\/p>\n<div class=\"tip-box\" style=\"border-left:4px solid #2e7d32;background:#f3faf4;padding:12px 16px;margin:0 0 18px;line-height:1.7;\"><strong>Tip:<\/strong> Record noise and pressure trends at low-demand periods when tank level is lowest.<\/div>\n<h2 id=\"part-2-root-causes-npsha-suction-piping-and-oper\" style=\"margin:42px 0 14px;font-size:1.35em;line-height:1.3;\">Part 2. Root Causes: NPSHa, Suction Piping, and Operating Point<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Low suction tank level, long suction runs, clogged strainers, and elevated fluid temperature all reduce NPSHa.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Oversized pumps running far right on the curve can increase NPSHr while suction conditions stay unchanged.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">VFD minimum speed settings must be checked\u2014some speeds move the operating point into a cavitating region.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Suction tank level and NPSHa often govern reliability more than discharge pressure setpoints.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Inline and vertical multistage layouts trade floor space against maintenance access.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">See <a href=\"https:\/\/borrapumps.com\/applications\/\">application and solution pages<\/a> for building and municipal pressure-boosting contexts.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Capture rated flow, total dynamic head, fluid properties, and suction conditions in the RFQ package to reduce back-and-forth during technical review.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">If the site mixes intermittent peaks and sustained duty, size the driver for the governing thermal condition\u2014not catalog nameplate alone.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Define acceptance criteria before shipment\u2014flow, head, efficiency, or NFPA witness points\u2014so commissioning disputes are less likely.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Related guides in our blog cluster include <a href=\"https:\/\/borrapumps.com\/blog\/what-is-a-booster-pump\/\">Booster basics<\/a>, <a href=\"https:\/\/borrapumps.com\/blog\/water-booster-pump-sizing-high-rise\/\">Sizing context<\/a>, and <a href=\"https:\/\/borrapumps.com\/blog\/vertical-booster-pump-selection-guide\/\">Vertical booster<\/a>.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:0 0 20px;\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">Cause<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">Field signal<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">First check<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Low tank level<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Noise at night<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Level switches and makeup<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Clogged strainer<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Rising suction vacuum<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Differential across strainer<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">High fluid temperature<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Seasonal cavitation<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Temperature vs curve NPSHr<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<figure style=\"margin:26px 0;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px;\" src=\"\/wp-content\/uploads\/2026\/07\/booster-pump-cavitation-causes-and-fixes-body-3.webp\" alt=\"booster pump cavitation \u2014 BORRA official product with illustrative industrial background (not a real site photo)\" width=\"640\" height=\"360\"\/><\/figure>\n<div class=\"tip-box\" style=\"border-left:4px solid #2e7d32;background:#f3faf4;padding:12px 16px;margin:0 0 18px;line-height:1.7;\"><strong>Tip:<\/strong> Compare manufacturer NPSHr at actual flow\u2014not nameplate flow alone.<\/div>\n<h2 id=\"part-3-corrective-actions-and-when-to-resize\" style=\"margin:42px 0 14px;font-size:1.35em;line-height:1.3;\">Part 3. Corrective Actions and When to Resize<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Restore suction margin by raising tank level, shortening suction piping, cleaning strainers, or lowering fluid temperature.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">If margin cannot be achieved after hydraulic corrections, consider a lower-speed impeller trim or a pump sized for the true duty point.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Document before-and-after vibration and pressure logs to prove the fix during warranty reviews.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Commissioning should verify stable pressure without surge when large valves open or close.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Log baseline pressure and power draw after startup for future troubleshooting.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Request application review through <a href=\"https:\/\/borrapumps.com\/contact-us\/\">BORRA engineering contact<\/a> when PRV or tank geometry is nonstandard.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Capture rated flow, total dynamic head, fluid properties, and suction conditions in the RFQ package to reduce back-and-forth during technical review.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">If the site mixes intermittent peaks and sustained duty, size the driver for the governing thermal condition\u2014not catalog nameplate alone.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Define acceptance criteria before shipment\u2014flow, head, efficiency, or NFPA witness points\u2014so commissioning disputes are less likely.<\/p>\n<div class=\"tip-box\" style=\"border-left:4px solid #2e7d32;background:#f3faf4;padding:12px 16px;margin:0 0 18px;line-height:1.7;\"><strong>Tip:<\/strong> Keep as-built pump curves and valve settings with the O&#038;M manual after commissioning.<\/div>\n<div class=\"warning-box\" style=\"border-left:4px solid #f9a825;background:#fffbf0;padding:12px 16px;margin:0 0 18px;line-height:1.7;\"><strong>Important:<\/strong> Do not increase VFD speed to chase pressure if suction margin is already negative\u2014cavitation will worsen.<\/div>\n<h2 id=\"part-4-documentation-and-handover-checklist\" style=\"margin:42px 0 14px;font-size:1.35em;line-height:1.3;\">Part 4. Documentation and Handover Checklist<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Industrial acceptance should not rely on energization alone\u2014documentation proves ratings, safety, and maintainability for the next maintenance cycle.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Use the tables below as a starting RFQ checklist; your AHJ, insurer, or EPC contract may require additional items.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">For product-specific datasheets, cross-check <a href=\"https:\/\/borrapumps.com\/product\/cdlf-vertical-multistage-jockey-pump\/\">booster and jockey pumps<\/a> and request any missing factory test excerpts.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Align factory acceptance tests with items your insurer or owner witness agreement may require.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">When comparing quotations, normalize currency, Incoterms, and included commissioning services before ranking suppliers.<\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:0 0 20px;\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">Document \/ item<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">Purpose<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">When to request<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Factory pump performance curve<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Verify flow, head, efficiency, and NPSHr at rated speed<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Before purchase order<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Driver nameplate and coupling data<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Electrical service and alignment<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Design phase<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Installation and O&#038;M manual<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Commissioning and maintenance planning<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Before FAT\/SAT<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Spare parts list (5+ year)<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Seal kits, impellers, bearings lifecycle<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Contract negotiation<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Commissioning \/ acceptance checklist<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">NFPA or owner witness tests<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Before energization<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table style=\"width:100%;border-collapse:collapse;margin:0 0 20px;\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">Building type<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">Pressure need<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">Sizing note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Mid-rise commercial<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Steady boost to upper floors<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Match shutoff to PRV settings<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Municipal zone<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Variable demand<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">VFD may reduce hunting vs fixed speed<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Irrigation header<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Seasonal peaks<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Confirm suction tank level and NPSHa<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Process makeup<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Continuous low flow<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Avoid oversizing that drives minimum flow recirculation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"tip-box\" style=\"border-left:4px solid #2e7d32;background:#f3faf4;padding:12px 16px;margin:0 0 18px;line-height:1.7;\"><strong>Tip:<\/strong> Store factory test reports with the pump serial number for future warranty claims.<\/div>\n<div class=\"tip-box\" style=\"border-left:4px solid #2e7d32;background:#f3faf4;padding:12px 16px;margin:0 0 18px;line-height:1.7;\"><strong>Tip:<\/strong> Confirm metric and imperial dimensions if shipping to mixed-design sites.<\/div>\n<h2 id=\"part-5-commissioning-monitoring-and-long-term-op\" style=\"margin:42px 0 14px;font-size:1.35em;line-height:1.3;\">Part 5. Commissioning, Monitoring, and Long-Term Operations<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Commissioning should verify flow, head, and driver performance at the agreed duty points\u2014not only at no-load or nameplate conditions.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Functional tests typically include vibration, seal leakage, control response, and documented comparison to the factory pump curve.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Monitoring after startup helps catch cavitation, hunting, or seal wear before they affect production or fire protection readiness.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Train maintenance staff on lockout\/tagout, priming procedures, and which alarms require immediate shutdown versus scheduled service.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Schedule a post-warranty review to reassess duty changes\u2014plant expansions often change flow profiles within three to five years.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Keep a spare-parts criticality list (seals, impellers, bearings, filters) based on lead time and production impact, not catalog defaults alone.<\/p>\n<div class=\"tip-box\" style=\"border-left:4px solid #2e7d32;background:#f3faf4;padding:12px 16px;margin:0 0 18px;line-height:1.7;\"><strong>Tip:<\/strong> Log baseline flow, pressure, and power draw after commissioning for future troubleshooting comparisons.<\/div>\n<h2 style=\"margin:42px 0 14px;font-size:1.35em;line-height:1.3;\">Recommended BORRA Products<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7;\">For project support, explore our <a href=\"https:\/\/borrapumps.com\/product\/cdlf-vertical-multistage-jockey-pump\/\">booster and jockey pumps<\/a>, <a href=\"https:\/\/borrapumps.com\/applications\/\">application and solution pages<\/a>, and <a href=\"https:\/\/borrapumps.com\/about-us\/\">OEM and manufacturing capabilities<\/a> on borrapumps.com.<\/p>\n<figure style=\"margin:26px 0;text-align:center;\"><img loading=\"lazy\" decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px;\" src=\"\/wp-content\/uploads\/2026\/07\/booster-pump-cavitation-causes-and-fixes-product-3.webp\" alt=\"BORRA booster \u2014 official product photo with illustrative scene background (not a real site photo)\" width=\"640\" height=\"360\"\/><\/figure>\n<h2 style=\"margin:42px 0 14px;font-size:1.35em;line-height:1.3;\">FAQ<\/h2>\n<h3 style=\"margin:28px 0 10px;font-size:1.15em;line-height:1.35;\">What causes cavitation in booster pumps?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Insufficient NPSHa at the impeller eye\u2014often from low tank level, clogged suction strainers, high fluid temperature, or excessive suction lift.<\/p>\n<h3 style=\"margin:28px 0 10px;font-size:1.15em;line-height:1.35;\">How do you detect cavitation?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Gravel-like noise, vibration, fluctuating discharge pressure, and impeller pitting over time.<\/p>\n<h3 style=\"margin:28px 0 10px;font-size:1.15em;line-height:1.35;\">Can a pressure tank fix cavitation?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Tanks stabilize discharge pressure but do not increase NPSHa; suction conditions must be corrected separately.<\/p>\n<h3 style=\"margin:28px 0 10px;font-size:1.15em;line-height:1.35;\">Does running at minimum speed on a VFD reduce risk?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Lower speed can move the operating point, but suction margin must still be verified at all expected duty points.<\/p>\n<h3 style=\"margin:28px 0 10px;font-size:1.15em;line-height:1.35;\">What is the first field check?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Verify suction tank level, strainer differential, fluid temperature, and compare NPSHa to manufacturer NPSHr at actual flow.<\/p>\n<h3 style=\"margin:28px 0 10px;font-size:1.15em;line-height:1.35;\">When is pump replacement required?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7;\">When corrected suction still cannot meet NPSHr at design flow\u2014impeller or pump type may be undersized for the site.<\/p>\n<h2 style=\"margin:42px 0 14px;font-size:1.35em;line-height:1.3;\">References<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7;\">\n<li><a href=\"https:\/\/www.pumps.org\/standards\" rel=\"nofollow noopener\" target=\"_blank\">Hydraulic Institute<\/a><\/li>\n<li><a href=\"https:\/\/www.engineeringtoolbox.com\/npsh-net-positive-suction-head-d_467.html\" rel=\"nofollow noopener\" target=\"_blank\">Engineering Toolbox \u2014 NPSH<\/a><\/li>\n<li><a href=\"https:\/\/www.grundfos.com\/learn\/research-and-insights\/cavitation-in-pumps\" rel=\"nofollow noopener\" target=\"_blank\">Grundfos \u2014 Cavitation in pumps<\/a><\/li>\n<li><a href=\"https:\/\/borrapumps.com\/product\/cdlf-vertical-multistage-jockey-pump\/\" rel=\"nofollow noopener\">CDLF Vertical Multistage Jockey Pump<\/a><\/li>\n<\/ul>\n<p style=\"margin:0 0 16px;line-height:1.7;\"><strong>Ready to discuss your project?<\/strong> Contact <a href=\"https:\/\/borrapumps.com\/contact-us\/\">BORRA engineering support<\/a> with your project parameters and technical requirements.<\/p>\n<\/div>\n<p><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What causes cavitation in booster pumps?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Insufficient NPSHa at the impeller eye\u2014often from low tank level, clogged suction strainers, high fluid temperature, or excessive suction lift.\"}}, {\"@type\": \"Question\", \"name\": \"How do you detect cavitation?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Gravel-like noise, vibration, fluctuating discharge pressure, and impeller pitting over time.\"}}, {\"@type\": \"Question\", \"name\": \"Can a pressure tank fix cavitation?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Tanks stabilize discharge pressure but do not increase NPSHa; 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