{"id":936,"date":"2026-07-10T09:00:00","date_gmt":"2026-07-10T01:00:00","guid":{"rendered":"https:\/\/borrapumps.com\/blog\/end-suction-vs-split-case-fire-pump\/"},"modified":"2026-07-10T10:57:14","modified_gmt":"2026-07-10T02:57:14","slug":"end-suction-vs-split-case-fire-pump","status":"publish","type":"post","link":"https:\/\/borrapumps.com\/es\/blog\/end-suction-vs-split-case-fire-pump\/","title":{"rendered":"End Suction vs Split Case Fire Pump: Selection for Export Projects"},"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>split case fire pump<\/strong> \u2014 End suction and split case centrifugal fire pumps serve different flow ranges and pump room layouts; export buyers should match type to hydraulic calculations and maintenance access. 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-hydraulic-and-layout-differences\">Part 1. Hydraulic and Layout Differences<\/a><\/li>\n<li style=\"margin:0 0 16px;line-height:1.7;\"><a href=\"#part-2-maintenance-and-spare-parts-planning\">Part 2. Maintenance and Spare Parts Planning<\/a><\/li>\n<li style=\"margin:0 0 16px;line-height:1.7;\"><a href=\"#part-3-rfq-and-documentation-checklist\">Part 3. RFQ and Documentation Checklist<\/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\/end-suction-vs-split-case-fire-pump-cover-3.webp\" alt=\"split case fire pump concept illustration with official product background (not a real site photo)\" width=\"640\" height=\"360\"\/><\/figure>\n<h2 id=\"part-1-hydraulic-and-layout-differences\" style=\"margin:42px 0 14px;font-size:1.35em;line-height:1.3;\">Part 1. Hydraulic and Layout Differences<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7;\">This section supports export and U.S. project buyers evaluating split case fire pump with practical checks tied to site data and supplier documentation.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Confirm flow, head, power, installation constraints, and local code expectations before issuing purchase orders.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Cross-check public product specifications on borrapumps.com and request missing test or curve data in writing.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Fire pump selection starts with the approved hydraulic calculation and the governing code edition referenced in project specifications.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">End-suction and split-case designs trade footprint, efficiency, and maintenance access\u2014confirm AHJ and insurer expectations before finalizing.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Cross-check <a href=\"https:\/\/borrapumps.com\/product\/40-3000-cubic-meter-flow-range-fire-fighting-pump-package\/\">fire pump packages<\/a> ratings against the duty point on the pump curve, not catalog headline flow alone.<\/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> Document assumptions and send them with RFQ packages to reduce revision cycles.<\/div>\n<h2 id=\"part-2-maintenance-and-spare-parts-planning\" style=\"margin:42px 0 14px;font-size:1.35em;line-height:1.3;\">Part 2. Maintenance and Spare Parts Planning<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7;\">This section supports export and U.S. project buyers evaluating split case fire pump with practical checks tied to site data and supplier documentation.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Confirm flow, head, power, installation constraints, and local code expectations before issuing purchase orders.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Cross-check public product specifications on borrapumps.com and request missing test or curve data in writing.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Driver selection (electric vs diesel) must match site utility rules, backup power strategy, and witnessed test requirements.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Jockey or booster stages maintain system pressure between main pump runs\u2014size them to avoid excessive cycling.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Review <a href=\"https:\/\/borrapumps.com\/applications\/\">application and solution pages<\/a> for packaged skid options when field assembly time is constrained.<\/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\/fire-fighting-pump-selection-guide\/\">Related guide<\/a>, <a href=\"https:\/\/www.clarkefire.com\/blog\/fire-pump-basics\" target=\"_blank\" rel=\"noopener\">Basics<\/a>, and <a href=\"https:\/\/www.piercephelps.com\/blog\/fire-pump-selection-guide\" target=\"_blank\" rel=\"noopener\">Selection<\/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;\">Check item<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">Why it matters<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">Typical owner<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Duty-point data<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Matches pump curve selection<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Consulting engineer<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Installation clearance<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Service access and safety<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Mechanical contractor<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Control interface<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Reliable start\/stop and alarms<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Electrical contractor<\/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\/end-suction-vs-split-case-fire-pump-body-3.webp\" alt=\"split case fire pump \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> Document assumptions and send them with RFQ packages to reduce revision cycles.<\/div>\n<h2 id=\"part-3-rfq-and-documentation-checklist\" style=\"margin:42px 0 14px;font-size:1.35em;line-height:1.3;\">Part 3. RFQ and Documentation Checklist<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7;\">This section supports export and U.S. project buyers evaluating split case fire pump with practical checks tied to site data and supplier documentation.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Confirm flow, head, power, installation constraints, and local code expectations before issuing purchase orders.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Cross-check public product specifications on borrapumps.com and request missing test or curve data in writing.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Acceptance testing should document flow, pressure, and driver performance at agreed load points.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Keep as-built drawings, valve settings, and controller programming with the O&#038;M manual.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Submit NFPA or owner witness parameters via <a href=\"https:\/\/borrapumps.com\/contact-us\/\">BORRA engineering contact<\/a> when duty falls outside standard tables.<\/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> Document assumptions and send them with RFQ packages to reduce revision cycles.<\/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> 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 operate pumps without verifying suction conditions and adequate NPSH margin for the application.<\/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\/40-3000-cubic-meter-flow-range-fire-fighting-pump-package\/\">fire pump packages<\/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;\">Application<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">Duty profile<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f4f7fa;text-align:left;\">Typical pump approach<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Municipal fire protection<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Sustained rated flow + overload<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">End-suction or split-case with listed driver<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Industrial hazard<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Variable demand + jockey<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Main fire pump + jockey\/booster package<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">High-rise booster<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Steady pressure maintenance<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Vertical multistage or inline booster<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Skid package export<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Fixed layout, witnessed test<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px;vertical-align:top;\">Factory-assembled skid with documented FAT<\/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\/40-3000-cubic-meter-flow-range-fire-fighting-pump-package\/\">fire pump packages<\/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\/end-suction-vs-split-case-fire-pump-product-3.webp\" alt=\"BORRA fire \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;\">When is split case preferred?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Higher flow commercial and industrial applications where horizontal split-case maintenance access is valued.<\/p>\n<h3 style=\"margin:28px 0 10px;font-size:1.15em;line-height:1.35;\">When is end suction used?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Moderate flows and compact pump rooms where footprint and first cost drive selection.<\/p>\n<h3 style=\"margin:28px 0 10px;font-size:1.15em;line-height:1.35;\">How do suction conditions differ?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Both require adequate NPSH; end suction layouts are sensitive to suction piping geometry.<\/p>\n<h3 style=\"margin:28px 0 10px;font-size:1.15em;line-height:1.35;\">What maintenance matters?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Impeller and seal access, coupling alignment, and bearing lubrication intervals.<\/p>\n<h3 style=\"margin:28px 0 10px;font-size:1.15em;line-height:1.35;\">Export documentation?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Curves, test reports, foundation loads, and flange dimensions in imperial and metric.<\/p>\n<h3 style=\"margin:28px 0 10px;font-size:1.15em;line-height:1.35;\">Can type change after design?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7;\">Changing type late often requires pump room resize\u2014lock type during schematic design.<\/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.nfpa.org\/product\/nfpa-20-standard-for-the-installation-of-stationary-pumps-for-fire-protection\/p0020code\/20-std-for-the-install-of-stat-pumps-for-fp-redline-13-pdf\/2013rl\" rel=\"nofollow noopener\" target=\"_blank\">NFPA 20<\/a><\/li>\n<li><a href=\"https:\/\/up.codes\/viewer\/nfpa\/nfpa-20-2022\" rel=\"nofollow noopener\" target=\"_blank\">UPCodes NFPA 20<\/a><\/li>\n<li><a href=\"https:\/\/borrapumps.com\/product\/xbc-lc-vertical-turbine-type-diesel-fire-pump\/\" rel=\"nofollow noopener\">Xbc Lc Vertical Turbine Type Diesel Fire Pump<\/a><\/li>\n<li><a href=\"https:\/\/kordfire.com\/nfpa-20-6-1-6-2-6-3-centrifugal-fire-pump-selection-and-fittings\/\" rel=\"nofollow noopener\" target=\"_blank\">kordfire.com<\/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\": \"When is split case preferred?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Higher flow commercial and industrial applications where horizontal split-case maintenance access is valued.\"}}, {\"@type\": \"Question\", \"name\": \"When is end suction used?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Moderate flows and compact pump rooms where footprint and first cost drive selection.\"}}, {\"@type\": \"Question\", \"name\": \"How do suction conditions differ?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both require adequate NPSH; 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