{"id":13584,"date":"2026-07-10T02:02:13","date_gmt":"2026-07-10T02:02:13","guid":{"rendered":"https:\/\/hlh-js.com\/?p=13584"},"modified":"2026-07-10T02:08:54","modified_gmt":"2026-07-10T02:08:54","slug":"centrifugal-vs-positive-displacement-pumps-abrasive-media","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/ja\/resource\/blog\/centrifugal-vs-positive-displacement-pumps-abrasive-media\/","title":{"rendered":"Centrifugal vs. Positive Displacement Pumps for Abrasive Media: The Engineering Tradeoffs"},"content":{"rendered":"<p><style>\r\n.hlh-pillar{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;color:#25303D;line-height:1.85;max-width:860px;margin:0 auto;font-size:1rem}.hlh-pillar h1{font-size:2em;font-weight:800;color:#1C3D5A;line-height:1.25;margin:0 0 .4em;letter-spacing:-.02em}.hlh-pillar h2{font-size:1.42em;font-weight:700;color:#1C3D5A;margin:2.4em 0 .7em;padding-bottom:.4em;border-bottom:2px solid #DDE3EC;position:relative}.hlh-pillar 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#BDD5EE}.hlh-back-link:hover{background:#1C3D5A;color:#fff!important;text-decoration:none}@media(max-width:640px){.hlh-pillar h1{font-size:1.5em}.hlh-pillar h2{font-size:1.22em}.hlh-two-col{grid-template-columns:1fr}.hlh-related ul{grid-template-columns:1fr}.hlh-cta-box{padding:1.8em 1.2em}}\r\n<\/style><\/p>\r\n<div class=\"hlh-pillar\"><a class=\"hlh-back-link\" href=\"https:\/\/hlh-js.com\/resource\/blog\/pumps-for-abrasive-media\/\" target=\"_blank\" rel=\"noopener noreferrer\">\u2190 Pumps for Abrasive Media: Complete Guide<\/a>\r\n<h1>Centrifugal vs. Positive Displacement Pumps for Abrasive Media: The Engineering Tradeoffs<\/h1>\r\n<div class=\"hlh-meta-bar\">\ud83d\udccc Published by <strong>\u6c5f\u8607\u6052\u9686\u79d1\u6280\u6709\u9650\u516c\u53f8<\/strong>\ud83d\uddd3 Updated: July 2026\u23f1 Reading time: approx. 11 min<\/div>\r\n<div class=\"hlh-lead\">\r\n<p>The first and most consequential pump type decision for any abrasive media application is not &#8220;which brand?&#8221; or &#8220;which material?&#8221;\u2014it is &#8220;centrifugal or positive displacement?&#8221; These two pump families are fundamentally different in how they generate flow and pressure, how they handle abrasive particles, and how they wear. Choosing centrifugal when positive displacement is required, or positive displacement when centrifugal is clearly superior, typically produces a pump that underperforms, fails prematurely, or costs far more to operate than the correct choice would have.<\/p>\r\n<p>This guide provides a clear, engineering-based comparison to help you make this foundational decision correctly. For guidance on comparing specific positive displacement types (peristaltic, AODD, progressive cavity), see: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/peristaltic-vs-aodd-vs-progressive-cavity-pumps-abrasive-media\/\" target=\"_blank\" rel=\"noopener noreferrer\">Peristaltic vs. AODD vs. Progressive Cavity Pumps for Abrasive Media<\/a>.<\/p>\r\n<\/div>\r\n<nav class=\"hlh-toc\">\r\n<div class=\"hlh-toc__header\">Table of Contents<\/div>\r\n<ol>\r\n<li><a href=\"#centrifugal-works\">How Centrifugal Slurry Pumps Work<\/a><\/li>\r\n<li><a href=\"#pd-works\">How Positive Displacement Pumps Work<\/a><\/li>\r\n<li><a href=\"#wear-comparison\">Abrasion and Wear Performance: Key Differences<\/a><\/li>\r\n<li><a href=\"#flow-pressure\">Flow Rate and Pressure Capabilities<\/a><\/li>\r\n<li><a href=\"#viscosity-solids\">Viscosity and High Solids Handling<\/a><\/li>\r\n<li><a href=\"#comparison-table\">Head-to-Head Comparison Table<\/a><\/li>\r\n<li><a href=\"#when-centrifugal\">When Centrifugal Is the Clear Winner<\/a><\/li>\r\n<li><a href=\"#when-pd\">When Positive Displacement Is the Clear Winner<\/a><\/li>\r\n<li><a href=\"#c1b-faq\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/a><\/li>\r\n<\/ol>\r\n<\/nav>\r\n<section id=\"centrifugal-works\">\r\n<h2>1. How Centrifugal Slurry Pumps Work<\/h2>\r\n<p>A centrifugal slurry pump accelerates slurry by spinning an impeller at high speed. The impeller&#8217;s rotating vanes impart kinetic energy to the fluid, increasing its velocity. As the fluid leaves the impeller and enters the stationary volute casing, velocity converts to pressure. The result is continuous, smooth, non-pulsating flow\u2014but the performance (head and flow) is strongly linked to rotational speed, and the pump will not maintain output if system resistance rises above the pump curve.<\/p>\r\n<p>The critical characteristic for abrasive media applications is that the impeller tip\u2014the fastest-moving part\u2014contacts the slurry at high velocity throughout operation. This means centrifugal slurry pumps are inherently high-wear systems in abrasive service. Purpose-built slurry pumps mitigate this through thick replaceable liners, hardened impellers with large clearances, and heavy-duty shaft seals. But the fundamental mechanism\u2014high-speed contact between rotating impeller and abrasive particles\u2014cannot be eliminated, only managed.<\/p>\r\n<\/section>\r\n<section id=\"pd-works\">\r\n<h2>2. How Positive Displacement Pumps Work<\/h2>\r\n<p>Positive displacement (PD) pumps move a fixed volume of fluid per rotation or stroke cycle, regardless of discharge pressure (within seal integrity limits). The fluid is physically displaced from a suction cavity to a discharge cavity without the high-speed rotor-fluid interaction of centrifugal pumps. The major types for abrasive service\u2014peristaltic, AODD, and progressive cavity\u2014all share this fundamental characteristic: fluid velocity through the pump mechanism is inherently low, and in the best case (peristaltic), the abrasive slurry never contacts any metal pump component at all.<\/p>\r\n<p>The low-velocity characteristic of PD pumps is their core advantage for abrasive media: because erosion rate scales approximately with velocity squared to cubed, the lower internal velocities produce dramatically lower erosion rates compared to centrifugal pumps at equivalent flow. The disadvantage is the limitation on flow rate and pressure range that can be achieved with a single pump unit.<\/p>\r\n<\/section>\r\n<section id=\"wear-comparison\">\r\n<h2>3. Abrasion and Wear Performance: Key Differences<\/h2>\r\n<div class=\"hlh-two-col\">\r\n<div class=\"hlh-col-box\">\r\n<h4>Centrifugal Slurry Pump \u2014 Wear Profile<\/h4>\r\n<ul>\r\n<li>High fluid velocity at impeller tip (8\u201325 m\/s)<\/li>\r\n<li>Erosion-dominated wear in high-velocity zones<\/li>\r\n<li>Multiple wear zones: impeller, liner, volute tongue, wear rings<\/li>\r\n<li>Wear accelerates non-linearly with speed<\/li>\r\n<li>Requires thick replaceable liners and periodic clearance adjustment<\/li>\r\n<li>Wear management is the primary maintenance challenge<\/li>\r\n<\/ul>\r\n<\/div>\r\n<div class=\"hlh-col-box\">\r\n<h4>Positive Displacement \u2014 Wear Profile<\/h4>\r\n<ul>\r\n<li>Low fluid velocity through pumping mechanism<\/li>\r\n<li>Abrasion-dominated (sliding) wear where it occurs<\/li>\r\n<li>Peristaltic: only hose wears (no metal contact)<\/li>\r\n<li>AODD: check valve balls and seats are primary wear items<\/li>\r\n<li>PC: stator and rotor wear progressively over life<\/li>\r\n<li>Wear management is simpler but still requires attention<\/li>\r\n<\/ul>\r\n<\/div>\r\n<\/div>\r\n<p>For hard, angular, high-hardness abrasives (Mohs 7+), positive displacement pumps generally offer better wear resistance per unit flow \u2014 particularly peristaltic designs. For high-volume applications where centrifugal pumps are the only practical choice, wear management through material selection, speed control, and planned maintenance becomes the central engineering challenge. For the full material selection guide, see: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/pump-materials-abrasive-media\/\" target=\"_blank\" rel=\"noopener noreferrer\">Pump Materials for Abrasive Media<\/a>.<\/p>\r\n<\/section>\r\n<section id=\"flow-pressure\">\r\n<h2>4. Flow Rate and Pressure Capabilities<\/h2>\r\n<p>Flow rate and pressure capability represent the most significant practical difference between the two pump families for abrasive media applications:<\/p>\r\n<ul>\r\n<li><strong>Centrifugal slurry pumps<\/strong> can deliver flow rates from a few cubic meters per hour up to 10,000+ m\u00b3\/h in large mining installations. Discharge pressure is limited by impeller diameter and speed but is typically adequate for most process applications. They cannot maintain constant flow as system resistance varies \u2014 as resistance increases, flow rate drops along the pump curve.<\/li>\r\n<li><strong>Positive displacement pumps<\/strong> deliver constant flow regardless of discharge pressure (within mechanical limits). Peristaltic and AODD pumps are typically limited to a few hundred liters per minute maximum. Progressive cavity pumps can achieve higher flow rates and pressures (up to 24 bar on multi-stage designs). PD pumps are genuinely preferred in applications requiring precise flow metering, high-pressure delivery at low flow, or constant flow despite variable discharge resistance.<\/li>\r\n<\/ul>\r\n<div class=\"hlh-callout hlh-callout--blue\">\r\n<p><strong>The Critical Threshold<\/strong>As a practical rule: if your application requires more than approximately 50\u2013100 m\u00b3\/h of abrasive slurry flow, a centrifugal slurry pump is almost certainly the correct primary technology. Below this threshold, positive displacement pumps become competitive on total cost of ownership and may offer superior wear performance.<\/p>\r\n<\/div>\r\n<\/section>\r\n<section id=\"viscosity-solids\">\r\n<h2>5. Viscosity and High Solids Handling<\/h2>\r\n<p>Viscosity is a differentiating factor where positive displacement pumps hold a clear advantage. Centrifugal pump hydraulic efficiency degrades significantly with increasing viscosity \u2014 above approximately 200\u2013500 cP, centrifugal performance is poor and PD pumps are preferred. Progressive cavity pumps in particular maintain constant volumetric efficiency regardless of fluid viscosity, making them the preferred choice for viscous abrasive slurries such as bentonite mud, cement grout, and thickened tailings.<\/p>\r\n<p>For solids concentration, both pump families can handle high concentrations \u2014 centrifugal slurry pumps up to approximately 65\u201370% w\/w, progressive cavity pumps up to approximately 60% w\/w. However, at concentrations above 40% w\/w, centrifugal pump performance must be heavily derated and slurry hydraulics become complex. At very high concentrations, progressive cavity or specialized centrifugal designs are required.<\/p>\r\n<\/section>\r\n<section id=\"comparison-table\">\r\n<h2>6. Head-to-Head Comparison Table<\/h2>\r\n<div class=\"hlh-table-wrap\">\r\n<table class=\"hlh-table\">\r\n<thead>\r\n<tr>\r\n<th>Attribute<\/th>\r\n<th>Centrifugal Slurry Pump<\/th>\r\n<th>Positive Displacement Pumps<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>Maximum flow rate<\/td>\r\n<td>Very high (thousands m\u00b3\/h)<\/td>\r\n<td>Low to medium (typically &lt;100 m\u00b3\/h)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Flow character<\/td>\r\n<td>Smooth, continuous<\/td>\r\n<td>Pulsating (AODD) or smooth (PC)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Pressure sensitivity<\/td>\r\n<td>Flow drops as pressure rises<\/td>\r\n<td>Constant flow at variable pressure<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Abrasive wear resistance<\/td>\r\n<td>Moderate (requires liner management)<\/td>\r\n<td>Good to excellent (low velocity)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Handles dry running<\/td>\r\n<td><span class=\"hlh-cross\">\u2717 Immediate damage<\/span><\/td>\r\n<td><span class=\"hlh-check\">\u2713 AODD &amp; peristaltic; \u2717 PC pump<\/span><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Self-priming<\/td>\r\n<td><span class=\"hlh-cross\">\u2717 Requires priming<\/span><\/td>\r\n<td><span class=\"hlh-check\">\u2713 All PD types<\/span><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Viscous slurry (&gt;500 cP)<\/td>\r\n<td><span class=\"hlh-cross\">\u2717 Poor efficiency<\/span><\/td>\r\n<td><span class=\"hlh-check\">\u2713 Excellent (esp. PC pump)<\/span><\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Max solids content<\/td>\r\n<td>Up to 70% w\/w<\/td>\r\n<td>Up to 60% w\/w (PC), 40% (peristaltic)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Capital cost (high flow)<\/td>\r\n<td>Lower<\/td>\r\n<td>Higher per unit flow<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Capital cost (low flow)<\/td>\r\n<td>Comparable or higher<\/td>\r\n<td>Lower<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Maintenance complexity<\/td>\r\n<td>Higher (impeller, liner, seals)<\/td>\r\n<td>Lower (hose, valve, or stator only)<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>Flow metering precision<\/td>\r\n<td>Poor (varies with system curve)<\/td>\r\n<td>Excellent (fixed volume per cycle)<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<\/section>\r\n<section id=\"when-centrifugal\">\r\n<h2>7. When Centrifugal Is the Clear Winner<\/h2>\r\n<ul>\r\n<li>Flow rate above 50\u2013100 m\u00b3\/h \u2014 PD pumps cannot compete economically at these volumes<\/li>\r\n<li>Mining, dredging, large process slurry applications where high throughput is the primary requirement<\/li>\r\n<li>Coarse-particle slurries (d95 above 10 mm) that PD pumps cannot handle through their limited passage sizes<\/li>\r\n<li>Applications where continuous, non-pulsating flow at high volume is required<\/li>\r\n<li>When the facility has experienced staff for centrifugal slurry pump maintenance and an established spare parts supply chain for that pump family<\/li>\r\n<\/ul>\r\n<\/section>\r\n<section id=\"when-pd\">\r\n<h2>8. When Positive Displacement Is the Clear Winner<\/h2>\r\n<ul>\r\n<li>Flow rate below 50 m\u00b3\/h, particularly where accurate metering or constant-flow delivery is required<\/li>\r\n<li>Viscous abrasive slurries above 200 cP where centrifugal efficiency is unacceptable<\/li>\r\n<li>Very hard abrasives (Mohs 8+) where centrifugal impeller and liner wear rates are prohibitively high<\/li>\r\n<li>Applications requiring self-priming capability, dry-run safety, or compressed-air-only operation (AODD)<\/li>\r\n<li>Abrasive media applications in portable or remote installations without reliable power supply<\/li>\r\n<li>High-pressure, low-flow applications (grout injection, backfill pumping) where centrifugal pumps cannot achieve the required pressure<\/li>\r\n<\/ul>\r\n<p>For a complete overview of the three main positive displacement pump types for abrasive applications and how to choose among them, see: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/peristaltic-vs-aodd-vs-progressive-cavity-pumps-abrasive-media\/\" target=\"_blank\" rel=\"noopener noreferrer\">Peristaltic vs. AODD vs. Progressive Cavity Pumps for Abrasive Media<\/a>.<\/p>\r\n<\/section>\r\n<hr class=\"hlh-hr\" \/>\r\n<section id=\"c1b-faq\">\r\n<h2>\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\r\n<div class=\"hlh-faq-item\">\r\n<div class=\"hlh-faq-q\">Can a centrifugal pump handle abrasive slurry with high viscosity?<\/div>\r\n<div class=\"hlh-faq-a\">Centrifugal pumps perform poorly in high-viscosity slurries. At viscosities above approximately 200 cP, hydraulic efficiency drops significantly due to increased friction losses in the impeller channels and volute. At 500 cP, a centrifugal pump may be operating at 50% or less of its rated efficiency. For viscous abrasive slurries, progressive cavity pumps maintain constant volumetric efficiency regardless of viscosity and are the preferred choice above 200\u2013300 cP. AODD pumps are also relatively viscosity-tolerant for their operating range.<\/div>\r\n<\/div>\r\n<div class=\"hlh-faq-item\">\r\n<div class=\"hlh-faq-q\">Is it ever appropriate to use centrifugal and positive displacement pumps together in the same abrasive system?<\/div>\r\n<div class=\"hlh-faq-a\">Yes, this is common in complex processing systems. For example, a mining circuit might use large centrifugal slurry pumps for high-volume tailings transport while using progressive cavity or AODD pumps for precise chemical reagent dosing or slurry sampling. Abrasive blasting systems might use centrifugal pumps for high-volume media recirculation while using peristaltic pumps for precision media injection at specific blast nozzles. Each pump type is deployed where its specific characteristics provide the most value.<\/div>\r\n<\/div>\r\n<div class=\"hlh-faq-item\">\r\n<div class=\"hlh-faq-q\">Does the choice between centrifugal and PD affect total cost of ownership significantly?<\/div>\r\n<div class=\"hlh-faq-a\">Yes, substantially \u2014 but in different directions depending on scale. At high flow rates (above 100 m\u00b3\/h), centrifugal pumps deliver lower capital cost, lower energy cost per unit volume, and lower total cost of ownership despite higher maintenance requirements. At low flow rates (below 20\u201330 m\u00b3\/h) with abrasive media, positive displacement pumps often deliver lower total cost of ownership through lower energy cost, lower wear part replacement frequency, and simpler maintenance \u2014 despite higher initial capital cost per unit. Build a five-year TCO comparison for your specific flow and duty requirements before making the decision based on capital cost alone.<\/div>\r\n<\/div>\r\n<\/section>\r\n<div class=\"hlh-cta-box\">\r\n<h2>The Right Media Makes Every Pump Perform Better<\/h2>\r\n<p>Whether you specify centrifugal or positive displacement, the consistency of your abrasive media determines how predictably your pump wears. Jiangsu Henglihong Technology Co., Ltd. produces certified steel shot, steel grit, glass beads, and aluminum cut wire shot with documented hardness and particle size data on every batch \u2014 giving your chosen pump the consistent media inputs it needs.<\/p>\r\n<a class=\"hlh-cta-btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener noreferrer\">Request Media Specifications \u2192<\/a><\/div>\r\n<div class=\"hlh-related\">\r\n<div class=\"hlh-related__title\">Related Resources<\/div>\r\n<ul>\r\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/pumps-for-abrasive-media\/\" target=\"_blank\" rel=\"noopener noreferrer\">Pumps for Abrasive Media: The Complete Guide<\/a><\/li>\r\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/peristaltic-vs-aodd-vs-progressive-cavity-pumps-abrasive-media\/\" target=\"_blank\" rel=\"noopener noreferrer\">Peristaltic vs. AODD vs. Progressive Cavity Pumps<\/a><\/li>\r\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-select-pump-abrasive-media\/\" target=\"_blank\" rel=\"noopener noreferrer\">How to Select a Pump for Abrasive Media<\/a><\/li>\r\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/pump-materials-abrasive-media\/\" target=\"_blank\" rel=\"noopener noreferrer\">Pump Materials: Chrome vs. Rubber vs. Ceramic<\/a><\/li>\r\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/total-cost-ownership-abrasive-media-pumps\/\" target=\"_blank\" rel=\"noopener noreferrer\">Total Cost of Ownership for Abrasive Media Pumps<\/a><\/li>\r\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/abrasive-slurry-pumps-mining\/\" target=\"_blank\" rel=\"noopener noreferrer\">Abrasive Slurry Pumps for Mining<\/a><\/li>\r\n<\/ul>\r\n<\/div>\r\n<\/div>\r\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Article\",\n    \"headline\": \"Centrifugal vs. Positive Displacement Pumps for Abrasive Media: The Engineering Tradeoffs\",\n    \"datePublished\": \"2026-07-01\",\n    \"dateModified\": \"2026-07-01\",\n    \"author\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\",\n        \"url\": \"https:\\\/\\\/hlh-js.com\"\n    },\n    \"publisher\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\",\n        \"url\": \"https:\\\/\\\/hlh-js.com\"\n    },\n    \"mainEntityOfPage\": {\n        \"@type\": \"WebPage\",\n        \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/centrifugal-vs-positive-displacement-pumps-abrasive-media\\\/\"\n    }\n}<\/script><\/p>","protected":false},"excerpt":{"rendered":"<p>\u2190 Pumps for Abrasive Media: Complete Guide Centrifugal vs. Positive  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":13586,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,175,138],"tags":[],"class_list":["post-13584","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-industry","category-resource"],"_links":{"self":[{"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/posts\/13584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/comments?post=13584"}],"version-history":[{"count":3,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/posts\/13584\/revisions"}],"predecessor-version":[{"id":13614,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/posts\/13584\/revisions\/13614"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/media\/13586"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/media?parent=13584"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/categories?post=13584"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/tags?post=13584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}