{"id":1129,"date":"2026-08-03T09:00:00","date_gmt":"2026-08-03T01:00:00","guid":{"rendered":"https:\/\/borrapumps.com\/blog\/self-priming-pump-diagram\/"},"modified":"2026-08-06T23:10:38","modified_gmt":"2026-08-06T15:10:38","slug":"self-priming-pump-diagram","status":"publish","type":"post","link":"https:\/\/borrapumps.com\/fr\/blog\/self-priming-pump-diagram\/","title":{"rendered":"Que doit montrer le sch\u00e9ma d'une pompe auto-amor\u00e7ante ?"},"content":{"rendered":"<div class=\"b2b-article\">\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>A self-priming pump diagram earns its keep when the priming path is visible: retained casing liquid, suction-line geometry, air-handling behavior within manufacturer limits, and a discharge connection that can be isolated for service \u2014 then verified against the installed model.<\/strong><\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Layout reviewers who start at the impeller cutaway alone often miss the suction details that decide whether the machine will re-prime after a stop. This rebuild expands the live article for United States B2B buyers who need a diagram checklist, not a slogan.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"BORRAPUMP ZX self-priming irrigation pump used to illustrate priming-path elements on a self-priming pump diagram\" src=\"https:\/\/borrapumps.com\/wp-content\/uploads\/2026\/05\/ZX-Self-priming-Water-Pump-For-Irriga.webp\" \/><\/figure>\n<nav class=\"b2b-toc\" style=\"background:#f5f8fa;padding:16px 20px;border-radius:8px;margin:0 0 24px\">\n<h2 id=\"contents\" style=\"margin:42px 0 14px;scroll-margin-top:96px\">Contents<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"#part-1-what-the-priming-path-must-show-before-impeller-details\">Part 1. What the Priming Path Must Show Before Impeller Details<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-2-how-suction-line-geometry-should-appear-on-the-layout\">Part 2. How Suction-Line Geometry Should Appear on the Layout<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-3-where-fill-vent-and-inspection-access-belong\">Part 3. Where Fill, Vent, and Inspection Access Belong<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-4-how-discharge-check-valves-and-isolation-are-reviewed\">Part 4. How Discharge, Check Valves, and Isolation Are Reviewed<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-5-how-diagram-claims-are-held-against-model-data\">Part 5. How Diagram Claims Are Held Against Model Data<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-6-which-borrapump-routes-fit-after-layout-clarity\">Part 6. Which BORRAPUMP Routes Fit After Layout Clarity<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"#part-7-what-fit-boundaries-apply-to-diagram-use\">Part 7. What Fit Boundaries Apply to Diagram Use<\/a><\/li>\n<\/ul>\n<\/nav>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-1-what-the-priming-path-must-show-before-impeller-details\">Part 1. What the Priming Path Must Show Before Impeller Details<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Self-priming performance depends on how the casing retains liquid and how air is separated during prime. A <strong>self-priming pump diagram<\/strong> that shows only an impeller cutaway without suction and casing notes is incomplete for field review. Start by locating the retained-liquid path, the suction nozzle orientation, and any manufacturer notes that describe re-prime behavior after a stop.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Diagram element<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Why it matters<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Incomplete signal<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Priming chamber \/ casing<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Holds liquid for re-prime<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Cutaway without retained-liquid path<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Suction nozzle orientation<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Sets line geometry expectations<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Photo-only brochure view<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Air separation notes<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Explains prime behavior limits<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Decorative arrows without model basis<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Discharge nozzle<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Defines isolation and piping loads<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Missing service clearances<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">For vocabulary that sits above the diagram, open the <a href=\"https:\/\/borrapumps.com\/fr\/blog\/self-priming-pump\/\">BORRAPUMP Self-Priming Pump guide<\/a> and the explainer <a href=\"https:\/\/borrapumps.com\/fr\/blog\/what-is-a-self-priming-pump\/\">what is a self-priming pump<\/a>.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-2-how-suction-line-geometry-should-appear-on-the-layout\">Part 2. How Suction-Line Geometry Should Appear on the Layout<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Most priming failures begin as suction-side air leaks, high points, or restrictions. The diagram should make joint locations, continuous rise toward the pump where required, strainer or foot arrangements, and supports visible enough to compare with the as-built route.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Suction item<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">What to verify<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Field symptom if wrong<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Continuous route<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">No undocumented high points trapping air<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Slow or failed prime<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Joints and gaskets<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Airtight route documented<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Prime lost overnight<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Strainer \/ end arrangement<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Matches liquid and design<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Starvation or debris entry<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Supports<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Piping does not hang on the casing<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Nozzle strain and leaks<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Length and diameter notes<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Match the design basis<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Extra losses erode margin<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">Suction-lift limits are model-specific. When the inquiry turns into a lift question, continue with <a href=\"https:\/\/borrapumps.com\/fr\/blog\/self-priming-pump-suction-lift\/\">self-priming pump suction lift<\/a> after the layout walk is finished.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-3-where-fill-vent-and-inspection-access-belong\">Part 3. Where Fill, Vent, and Inspection Access Belong<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Find where the manufacturer expects filling and venting, and where covers open for inspection or clearing. Those points belong on the site startup card derived from the installed manual \u2014 not from memory of a different model.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Access point<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Document basis<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Review question<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Fill connection<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Model manual<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Can operators reach it safely?<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Vent path<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Model manual<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Is trapped air released as designed?<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Inspection cover<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Model manual<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Can the casing be opened without pipe strain?<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Drain<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Model \/ drawing<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Where does drained liquid go?<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p style=\"margin:0 0 16px;line-height:1.7\"><strong>Important:<\/strong> Do not treat a self-priming pump diagram&#8217;s annotated lift figure or priming-time callout as universal. Confirm limits with manufacturer data for the exact model and documented site conditions. (Source: <a href=\"https:\/\/www.pumps.org\/\" target=\"_blank\" rel=\"noopener\">Hydraulic Institute<\/a> \/ manufacturer documentation.)<\/p>\n<\/blockquote>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-4-how-discharge-check-valves-and-isolation-are-reviewed\">Part 4. How Discharge, Check Valves, and Isolation Are Reviewed<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Confirm discharge routing, check valves where the design requires them, and isolation for service. Piping must not impose undocumented loads on the casing nozzles.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"BORRAPUMP SP jam-less self-priming dirt drain pump during discharge and isolation layout checks\" src=\"https:\/\/borrapumps.com\/wp-content\/uploads\/2026\/05\/SP-Jam-less-Self-priming-Dirt-Drain-Pump.webp\" \/><\/figure>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Review stage<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Evidence<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Owner<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Receiving<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Tag and connection orientation versus order<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Buyer \/ receiving<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Install check<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">As-built suction route versus drawing<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Installer<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Startup<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Prime behavior versus manual baseline<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Authorized operator<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Handover<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Exceptions filed with references<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Project team<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">Pair the diagram checklist with <a href=\"https:\/\/borrapumps.com\/fr\/blog\/self-priming-pump-installation-checklist\/\">self-priming pump installation checklist<\/a> when the team moves from layout review into field startup planning.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-5-how-diagram-claims-are-held-against-model-data\">Part 5. How Diagram Claims Are Held Against Model Data<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Lift language, priming-time language, and solids capability are model-specific. Hold any diagram annotation against the manufacturer&#8217;s verified data for the exact unit and the liquid actually pumped.<\/p>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Claim on a sketch<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Ask instead<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Evidence required<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Max lift callout<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">At what liquid, altitude, and suction line?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Model curve \/ manual basis<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Fast prime slogan<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">What baseline time does the manual record?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Startup log versus manual<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Handles solids<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">What size and concentration are documented?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Model solids data<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Universal layout<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Which revision matches the install?<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Current drawing + as-built<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">For self-priming diagrams, note suction-route assumptions, fill\/vent locations from the manual, and any as-built deviations already known before comparing offers.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-6-which-borrapump-routes-fit-after-layout-clarity\">Part 6. Which BORRAPUMP Routes Fit After Layout Clarity<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">After the layout is clear, discuss clean transfer versus solids-handling self-priming routes with controlled liquid and lift data.<\/p>\n<figure style=\"margin:26px 0;text-align:center\"><img decoding=\"async\" style=\"max-width:640px;width:100%;height:auto;display:block;margin:0 auto;border-radius:8px\" alt=\"BORRAPUMP ZW non-clogging self-priming sewage pump as a solids-handling route after diagram review\" src=\"https:\/\/borrapumps.com\/wp-content\/uploads\/2026\/05\/ZW-Non-clogging-Self-priming-Sewage-Pump.webp\" \/><\/figure>\n<table style=\"width:100%;border-collapse:collapse\">\n<thead>\n<tr>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Duty signal<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">BORRAPUMP route<\/th>\n<th style=\"border:1px solid #d9e1e8;padding:9px 12px;background:#f5f8fa;text-align:left\">Send with quote<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Irrigation \/ cleaner transfer with surface priming<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\"><a href=\"https:\/\/borrapumps.com\/fr\/product\/zx-self-priming-water-pump-for-irrigation\/\">Pompe \u00e0 eau auto-amor\u00e7ante ZX pour irrigation<\/a><\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Vertical lift, liquid description, flow\/head with sources, suction line notes<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Solids-bearing self-prime<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\"><a href=\"https:\/\/borrapumps.com\/fr\/product\/zw-non-clogging-self-priming-sewage-pump\/\">Pompe \u00e0 eaux us\u00e9es auto-amor\u00e7ante non colmatante ZW<\/a><\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Solids description, duty, access plan, documents<\/td>\n<\/tr>\n<tr>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Dirty drain self-prime<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">SP jam-less family discussion after duty is clear<\/td>\n<td style=\"border:1px solid #d9e1e8;padding:9px 12px\">Debris type, duty, service plan<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin:0 0 16px;line-height:1.7\">Why not recommend submerged-only units as a substitute when the duty requires surface priming and open casing access: the service model and suction concept differ, and a diagram walk for self-priming equipment will not validate a submersible install.<\/p>\n<p style=\"margin:0 0 16px;line-height:1.7\">Send controlled data through <a href=\"https:\/\/borrapumps.com\/fr\/contact-us\/\">contact BORRAPUMP<\/a> after the layout questions are closed.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"part-7-what-fit-boundaries-apply-to-diagram-use\">Part 7. What Fit Boundaries Apply to Diagram Use<\/h2>\n<p style=\"margin:0 0 16px;line-height:1.7\">Fits:<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">Layout review of surface self-priming installations for contractors and buyers.<\/li>\n<li style=\"margin:0 0 8px\">Holding diagram annotations against model manuals before RFQ.<\/li>\n<\/ul>\n<p style=\"margin:0 0 16px;line-height:1.7\">Does not fit:<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">Setting a universal suction-lift number for every site.<\/li>\n<li style=\"margin:0 0 8px\">Approving an installation from a brochure cutaway alone.<\/li>\n<li style=\"margin:0 0 8px\">Substituting submersible design guidance for surface self-priming layout review.<\/li>\n<\/ul>\n<p style=\"margin:0 0 16px;line-height:1.7\">Must be confirmed before quote:<\/p>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\">Liquid description, vertical lift and measurement basis, suction line route, duty flow and head with sources, power data, service access plan, quantity, and destination.<\/li>\n<\/ul>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"faq\">FAQ<\/h2>\n<h3 style=\"margin:28px 0 12px\">What is the most important part of a self-priming pump diagram?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">The priming path: casing liquid retention, suction route, and how air is handled during prime, verified against the installed model manual.<\/p>\n<h3 style=\"margin:28px 0 12px\">Can a diagram provide the maximum suction lift?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">No. Usable lift comes from manufacturer data for the specific model at documented site conditions.<\/p>\n<h3 style=\"margin:28px 0 12px\">Why show the suction line on the diagram?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Air leaks, high points, and restrictions on the suction side are common causes of priming problems.<\/p>\n<h3 style=\"margin:28px 0 12px\">Where should fill and vent points appear?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Where the manufacturer documentation places them for the model. Copy those onto the site startup card.<\/p>\n<h3 style=\"margin:28px 0 12px\">Does a self-priming diagram replace the installation checklist?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">No. Use it with the installation checklist and the current drawing revision.<\/p>\n<h3 style=\"margin:28px 0 12px\">What data is needed before selecting from a diagram family?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">Liquid description, vertical lift, suction line route, duty flow\/head, power, and service plan.<\/p>\n<h3 style=\"margin:28px 0 12px\">Can solids capability be assumed from a cutaway drawing?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">No. Solids passage belongs to verified model data matched to the documented stream.<\/p>\n<h3 style=\"margin:28px 0 12px\">Does this article approve a priming arrangement?<\/h3>\n<p style=\"margin:0 0 16px;line-height:1.7\">No. Approval and acceptance follow project documents, responsible review, and verified equipment data.<\/p>\n<h2 style=\"margin:42px 0 14px;scroll-margin-top:96px\" id=\"references\">References<\/h2>\n<ul style=\"margin:0 0 18px 1.2em;line-height:1.7\">\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.pumps.org\/\" target=\"_blank\" rel=\"noopener\">Hydraulic Institute \u2014 Pump FAQs<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.pumpsandsystems.com\/\" target=\"_blank\" rel=\"noopener\">Pumps &amp; Systems<\/a><\/li>\n<li style=\"margin:0 0 8px\"><a href=\"https:\/\/www.engineeringtoolbox.com\/\" target=\"_blank\" rel=\"noopener\">Engineering Toolbox \u2014 fluids and pumps<\/a><\/li>\n<\/ul>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>A self-priming pump diagram earns its keep when the priming path is visible: retained casing liquid, suction-line geometry, air-handling behavior within manufacturer limits, and a discharge connection that can be isolated for service \u2014 then verified against the installed model. Layout reviewers who start at the impeller cutaway alone often miss the suction details that [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":180,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-1129","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-self-priming-pump"],"_links":{"self":[{"href":"https:\/\/borrapumps.com\/fr\/wp-json\/wp\/v2\/posts\/1129","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/borrapumps.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/borrapumps.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/borrapumps.com\/fr\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/borrapumps.com\/fr\/wp-json\/wp\/v2\/comments?post=1129"}],"version-history":[{"count":1,"href":"https:\/\/borrapumps.com\/fr\/wp-json\/wp\/v2\/posts\/1129\/revisions"}],"predecessor-version":[{"id":1137,"href":"https:\/\/borrapumps.com\/fr\/wp-json\/wp\/v2\/posts\/1129\/revisions\/1137"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/borrapumps.com\/fr\/wp-json\/wp\/v2\/media\/180"}],"wp:attachment":[{"href":"https:\/\/borrapumps.com\/fr\/wp-json\/wp\/v2\/media?parent=1129"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/borrapumps.com\/fr\/wp-json\/wp\/v2\/categories?post=1129"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/borrapumps.com\/fr\/wp-json\/wp\/v2\/tags?post=1129"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}