{"id":961,"date":"2021-06-27T07:20:39","date_gmt":"2021-06-27T07:20:39","guid":{"rendered":"http:\/\/bldcpump-local.local\/which-factors-affect-the-pressure-the-head-of-the-water-pump\/"},"modified":"2026-05-01T06:30:20","modified_gmt":"2026-05-01T06:30:20","slug":"which-factors-affect-the-pressure-the-head-of-the-water-pump","status":"publish","type":"page","link":"https:\/\/www.bldcpump.com\/ja\/\u30b5\u30dd\u30fc\u30c8\/\u6c34\u30dd\u30f3\u30d7\u306e\u30d8\u30c3\u30c9\u5727\u529b\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0\/","title":{"rendered":"\u30a6\u30a9\u30fc\u30bf\u30fc\u30dd\u30f3\u30d7\u306e\u63da\u7a0b\uff08\u5727\u529b\uff09\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<main>\n\n  <!-- 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alt=\"\u5782\u76f4\u5410\u51fa\u7ba1\u3092\u5099\u3048\u305f\u30bf\u30f3\u30af\u306b\u63a5\u7d9a\u3055\u308c\u305f\u30a6\u30a9\u30fc\u30bf\u30fc\u30dd\u30f3\u30d7\u306e\u6280\u8853\u7684\u306a\u56f3\u89e3\u3002\u3053\u306e\u56f3\u306f\u30dd\u30f3\u30d7\u30d8\u30c3\u30c9\u306e\u6982\u5ff5\u3092\u793a\u3057\u3066\u304a\u308a\u3001\u300cHEAD\u300d\u3068\u30e9\u30d9\u30eb\u4ed8\u3051\u3055\u308c\u305f\u5782\u76f4\u9ad8\u3055\u306f\u3001\u30dd\u30f3\u30d7\u304c\u6c34\u3092\u3069\u308c\u3060\u3051\u9ad8\u304f\u6c72\u307f\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u300cwww.pumpfundamentals.com\u300d\u3068\u3044\u3046\u5c0f\u3055\u306a\u900f\u304b\u3057\u304c\u5165\u3063\u3066\u3044\u307e\u3059\u3002.\"\n            style=\"max-width:100%;height:auto;border:1px solid #E3E8EE;border-radius:6px;display:inline-block;\"\n            sizes=\"(max-width: 768px) calc(100vw - 48px), (max-width: 1280px) calc(100vw - 500px), 680px\"\n          \/>\n          <figcaption style=\"font-family:ui-monospace,'SF Mono',Menlo,Consolas,'Courier New',monospace;font-size:11px;color:#6B7A88;letter-spacing:0.06em;margin-top:10px;\">\n            \u56f31 -- \u30dd\u30f3\u30d7\u30d8\u30c3\u30c9\uff1a\u6c34\u3092\u5782\u76f4\u65b9\u5411\u306b\u6301\u3061\u4e0a\u3052\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u9ad8\u3055 \u00b7 www.pumpfundamentals.com\n          <\/figcaption>\n        <\/figure>\n\n        <p style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:15px;color:#6B7A88;line-height:1.75;margin:0 0 16px;\">\n          \u63da\u7a0b\u306f\u5727\u529b\u3068\u4f55\u3089\u304b\u306e\u5f62\u3067\u95a2\u9023\u3057\u3066\u3044\u308b\u3002\u30dd\u30f3\u30d7\u304c\u4f9b\u7d66\u3059\u308b\u5727\u529b\u304c\u9ad8\u3044\u307b\u3069\u3001\u63da\u7a0b\u3082\u9ad8\u304f\u306a\u308b\u3002.\n        <\/p>\n\n        <!-- Read more link -->\n        <p style=\"margin:0 0 36px;\">\n          <a href=\"http:\/\/www.pumpfundamentals.com\/what%20is%20head.htm\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:14px;font-weight:600;color:#1CA0C4;text-decoration:none;display:inline-flex;align-items:center;gap:6px;transition:color .2s;\" onmouseover=\"this.style.color='#0B5E8F'\" onmouseout=\"this.style.color='#1CA0C4'\">\n            \u300c\u982d\u3068\u306f\u4f55\u304b\uff1f\u300d\u306b\u3064\u3044\u3066\u3082\u3063\u3068\u77e5\u308a\u305f\u3044\u65b9\u306f\u3001\u3053\u306e\u8a18\u4e8b\u3092\u304a\u8aad\u307f\u304f\u3060\u3055\u3044\u3002'\n            <svg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" aria-hidden=\"true\"><path d=\"M2 7h10M8 3l4 4-4 4\" stroke=\"currentColor\" stroke-width=\"1.6\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg>\n          <\/a>\n        <\/p>\n\n        <!-- H2: Common Mistake -->\n        <h2 style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:clamp(20px,3vw,28px);font-weight:600;color:#062A42;letter-spacing:-0.02em;line-height:1.15;margin:0 0 16px;padding-bottom:10px;border-bottom:1.5px solid #E3E8EE;\">\n          \u3088\u304f\u3042\u308b\u9593\u9055\u3044\n        <\/h2>\n\n        <p style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:15px;color:#6B7A88;line-height:1.75;margin:0 0 36px;\">\n          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16px;padding-bottom:10px;border-bottom:1.5px solid #E3E8EE;\">\n          \u30a6\u30a9\u30fc\u30bf\u30fc\u30dd\u30f3\u30d7\u306e\u63da\u7a0b\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u8981\u56e0\u306f\u4f55\u3067\u3059\u304b\uff1f\n        <\/h2>\n\n        <p style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:15px;color:#6B7A88;line-height:1.75;margin:0 0 28px;\">\n          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     <h3 style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:17px;font-weight:700;color:#062A42;letter-spacing:-0.01em;margin:0 0 12px;display:flex;align-items:center;gap:10px;\">\n          <span style=\"display:inline-block;width:3px;height:18px;background:#1CA0C4;border-radius:2px;flex-shrink:0;\" aria-hidden=\"true\"><\/span>\n          \u30dd\u30f3\u30d7\u306e\u30ef\u30c3\u30c8\u6570\n        <\/h3>\n\n        <p style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:15px;color:#6B7A88;line-height:1.75;margin:0 0 28px;\">\n          \u30dd\u30f3\u30d7\u306e\u30ef\u30c3\u30c8\u6570\u306f\u6700\u3082\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u51fa\u529b\u304c\u9ad8\u3044\u307b\u3069\u3001\u30dd\u30f3\u30d7\u304c\u4f9b\u7d66\u3067\u304d\u308b\u5727\u529b\u3082\u9ad8\u304f\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u5c0f\u578b\u306e\u30a6\u30a9\u30fc\u30bf\u30fc\u30dd\u30f3\u30d7\u3067\u306f\u3001\u653e\u71b1\u306a\u3069\u306e\u6280\u8853\u7684\u306a\u5236\u7d04\u306b\u3088\u308a\u3001\u9ad8\u51fa\u529b\u5316\u306f\u4e0d\u53ef\u80fd\u3067\u3059\u3002\u73fe\u5728\u3001\u5f53\u793e\u304c\u88fd\u9020\u3067\u304d\u308b\u5358\u6bb5\u30dd\u30f3\u30d7\u306e\u6700\u5927\u51fa\u529b\u306f150\u30ef\u30c3\u30c8\u672a\u6e80\u3067\u3059\u3002\u305d\u3053\u3067\u3001\u6b21\u306b\u3001\u4e00\u5b9a\u306e\u51fa\u529b\u30ef\u30c3\u30c8\u6570\u306b\u304a\u3044\u3066\u3001\u30dd\u30f3\u30d7\u306e\u63da\u7a0b\uff08\u5727\u529b\uff09\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u305d\u306e\u4ed6\u306e\u8981\u56e0\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002.\n        <\/p>\n\n        <!-- H3: Motor Speed -->\n        <h3 style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:17px;font-weight:700;color:#062A42;letter-spacing:-0.01em;margin:0 0 12px;display:flex;align-items:center;gap:10px;\">\n          <span style=\"display:inline-block;width:3px;height:18px;background:#1CA0C4;border-radius:2px;flex-shrink:0;\" aria-hidden=\"true\"><\/span>\n          \u30dd\u30f3\u30d7\u30e2\u30fc\u30bf\u30fc\u901f\u5ea6\n        <\/h3>\n\n        <p style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:15px;color:#6B7A88;line-height:1.75;margin:0 0 16px;\">\n          \u4e00\u5b9a\u306e\u30dd\u30f3\u30d7\u51fa\u529b\u306b\u304a\u3044\u3066\u306f\u3001\u30dd\u30f3\u30d7\u306e\u56de\u8ee2\u901f\u5ea6\u306f\u4f9b\u7d66\u53ef\u80fd\u306a\u5727\u529b\u306b\u6bd4\u4f8b\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u5f53\u793e\u306e\u76f4\u6d41\uff08DC\uff09\u5f0f\u30a6\u30a9\u30fc\u30bf\u30fc\u30dd\u30f3\u30d7\u306f\u3001\u4ea4\u6d41\uff08AC\uff09\u5f0f\u30a6\u30a9\u30fc\u30bf\u30fc\u30dd\u30f3\u30d7\u3088\u308a\u3082\u9ad8\u3044\u63da\u7a0b\uff08\u3088\u308a\u9ad8\u3044\u5727\u529b\uff09\u3092\u5b9f\u73fe\u3067\u304d\u308b\u306e\u3067\u3059\u3002.\n        <\/p>\n\n        <p style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:15px;color:#6B7A88;line-height:1.75;margin:0 0 28px;\">\n          \u3053\u306e\u7a2e\u306e\u5c0f\u578b\u4ea4\u6d41\u5f0f\u30a6\u30a9\u30fc\u30bf\u30fc\u30dd\u30f3\u30d7\u306e\u30e2\u30fc\u30bf\u30fc\u56de\u8ee2\u901f\u5ea6\u306f\u3001\u4ea4\u6d41\uff08AC\uff09\u96fb\u529b\u306e\u5468\u6ce2\u6570\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u56de\u8ee2\u901f\u5ea6\u306f\u4e00\u5b9a\uff08\u7d043000rpm\uff09\u3067\u3042\u308a\u3001\u7c21\u5358\u306b\u5897\u6e1b\u3055\u305b\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u5f53\u793e\u306e\u76f4\u6d41\u5f0f\u30a6\u30a9\u30fc\u30bf\u30fc\u30dd\u30f3\u30d7\u3067\u306f\u3001\u30e2\u30fc\u30bf\u30fc\u56de\u8ee2\u901f\u5ea6\u30926000rpm\u4ee5\u4e0a\u306b\u7c21\u5358\u306b\u500d\u5897\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.\n        <\/p>\n\n        <!-- H3: Inner diameter -->\n        <h3 style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:17px;font-weight:700;color:#062A42;letter-spacing:-0.01em;margin:0 0 12px;display:flex;align-items:center;gap:10px;\">\n          <span style=\"display:inline-block;width:3px;height:18px;background:#1CA0C4;border-radius:2px;flex-shrink:0;\" aria-hidden=\"true\"><\/span>\n          \u30dd\u30f3\u30d7\u51fa\u53e3\u306e\u5185\u5f84\n        <\/h3>\n\n        <p style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:15px;color:#6B7A88;line-height:1.75;margin:0 0 16px;\">\n          \u30dd\u30f3\u30d7\u306e\u69cb\u9020\u306f\u3001\u30dd\u30f3\u30d7\u306e\u63da\u7a0b\uff08\u5727\u529b\uff09\u306b\u3082\u5f71\u97ff\u3092\u4e0e\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30dd\u30f3\u30d7\u51fa\u53e3\u306e\u5185\u5f84\u3092\u5c0f\u3055\u304f\u3059\u308b\u3068\u3001\u63da\u7a0b\uff08\u5727\u529b\uff09\u306f\u4e0a\u6607\u3057\u307e\u3059\u304c\u3001\u540c\u6642\u306b\u6d41\u91cf\u306f\u6e1b\u5c11\u3057\u307e\u3059\u3002\u305d\u306e\u9006\u3082\u307e\u305f\u7136\u308a\u3067\u3059\u3002.\n        <\/p>\n\n        <p style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:15px;color:#6B7A88;line-height:1.75;margin:0 0 36px;\">\n          \u3057\u305f\u304c\u3063\u3066\u3001\u4e00\u5b9a\u306e\u51fa\u529b\u6761\u4ef6\u4e0b\u3067\u306f\u3001\u30dd\u30f3\u30d7\u306e\u63da\u7a0b\u306f\u6d41\u91cf\u306b\u53cd\u6bd4\u4f8b\u3057\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u30a6\u30a9\u30fc\u30bf\u30fc\u30dd\u30f3\u30d7\u3092\u9078\u3076\u969b\u306b\u6ce8\u610f\u3059\u3079\u304d\u70b9\u3067\u3059\u3002.\n        <\/p>\n\n        <!-- H2: Conclusion -->\n        <h2 style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:clamp(20px,3vw,28px);font-weight:600;color:#062A42;letter-spacing:-0.02em;line-height:1.15;margin:0 0 16px;padding-bottom:10px;border-bottom:1.5px solid #E3E8EE;\">\n          \u7d50\u8ad6\n        <\/h2>\n\n        <p style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:15px;color:#6B7A88;line-height:1.75;margin:0;\">\n          \u8981\u7d04\u3059\u308b\u3068\u3001\u30dd\u30f3\u30d7\u306e\u30ef\u30c3\u30c8\u6570\u3001\u30e2\u30fc\u30bf\u30fc\u306e\u56de\u8ee2\u901f\u5ea6\u3001\u305d\u3057\u3066\u30dd\u30f3\u30d7\u306e\u69cb\u9020\u306f\u3001\u6700\u7d42\u7684\u306b\u30dd\u30f3\u30d7\u306e\u63da\u7a0b\uff08\u5727\u529b\uff09\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u3054\u4e0d\u660e\u306a\u70b9\u304c\u3054\u3056\u3044\u307e\u3057\u305f\u3089\u3001\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002.\n        <\/p>\n\n      <\/article>\n\n      <!-- \u2500\u2500 RIGHT COLUMN: Sidebar (v2 \u2014 explicit inline styles, no .product-card dependency) \u2500\u2500 -->\n      <aside aria-label=\"\u6982\u8981\u3068\u30ab\u30bf\u30ed\u30b0\u306e\u30b5\u30a4\u30c9\u30d0\u30fc\" style=\"display:flex;flex-direction:column;gap:24px;\">\n\n        <!-- Card 1: About BLDC PUMP -->\n        <div\n          style=\"background:#FFFFFF;border:1px solid #E3E8EE;border-radius:8px;overflow:hidden;box-shadow:0 1px 2px rgba(6,42,66,.06),0 1px 0 rgba(6,42,66,.04);transition:box-shadow .25s,transform .2s;\"\n          onmouseover=\"this.style.boxShadow='0 8px 24px -8px rgba(6,42,66,.18),0 2px 6px rgba(6,42,66,.06)';this.style.transform='translateY(-3px)'\"\n          onmouseout=\"this.style.boxShadow='0 1px 2px rgba(6,42,66,.06),0 1px 0 rgba(6,42,66,.04)';this.style.transform='translateY(0)'\"\n        >\n          <!-- Factory image -->\n          <img decoding=\"async\"\n            src=\"\/wp-content\/uploads\/2021\/06\/general-hero-bg-1.webp\"\n            alt=\"\u6df1\u30bb\u30f3\u306b\u3042\u308bBLDC\u30dd\u30f3\u30d7\u5de5\u5834 \u2015 \u30d6\u30e9\u30b7\u30ec\u30b9DC\u30a6\u30a9\u30fc\u30bf\u30fc\u30dd\u30f3\u30d7\u306e\u751f\u7523\u30e9\u30a4\u30f3\"\n            width=\"340\"\n            height=\"200\"\n            sizes=\"auto, (max-width: 768px) 100vw, 340px\"\n            style=\"width:100%;height:200px;object-fit:cover;display:block;border-bottom:1px solid #E3E8EE;\"\n            loading=\"lazy\"\n          \/>\n          <!-- Card content -->\n          <div style=\"padding:24px 20px 28px;text-align:center;\">\n            <h3 style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:18px;font-weight:700;color:#062A42;letter-spacing:-0.01em;margin:0 0 14px;\">BLDC\u30dd\u30f3\u30d7\u306b\u3064\u3044\u3066<\/h3>\n            <p style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:13px;color:#6B7A88;line-height:1.7;margin:0 0 12px;\">\n              \u5f53\u793e\u306f2009\u5e74\u3088\u308a\u30d6\u30e9\u30b7\u30ec\u30b9DC\u30a6\u30a9\u30fc\u30bf\u30fc\u30dd\u30f3\u30d7\u306e\u7814\u7a76\u958b\u767a\u3068\u88fd\u9020\u306b\u6ce8\u529b\u3057\u3066\u3044\u307e\u3059\u3002\u4e2d\u56fd\u30fb\u6df1\u5733\u306b\u62e0\u70b9\u3092\u7f6e\u304f\u30a6\u30a9\u30fc\u30bf\u30fc\u30dd\u30f3\u30d7\u30e1\u30fc\u30ab\u30fc\u3067\u3001\u7d04100\u540d\u306e\u9ad8\u5ea6\u306a\u6280\u8853\u3068\u30b9\u30ad\u30eb\u3092\u6301\u3064\u5f93\u696d\u54e1\u3092\u64c1\u3057\u3066\u3044\u307e\u3059\u3002.\n            <\/p>\n            <p style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:13px;color:#6B7A88;line-height:1.7;margin:0 0 12px;\">\n              \u79c1\u305f\u3061\u306f\u3001\u304a\u5ba2\u69d8\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u5305\u62ec\u7684\u304b\u3064\u67d4\u8edf\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u63d0\u4f9b\u3057\u3001\u88fd\u54c1\u306e\u54c1\u8cea\u3067\u52dd\u5229\u3092\u53ce\u3081\u308b\u3053\u3068\u3092\u76ee\u6307\u3057\u3066\u3044\u307e\u3059\u3002.\n            <\/p>\n            <p style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:13px;color:#6B7A88;line-height:1.7;margin:0 0 20px;\">\n              \u79c1\u305f\u3061\u306e\u60c5\u71b1\u306f\u3001\u30b9\u30bf\u30fc\u30c8\u30a2\u30c3\u30d7\u4f01\u696d\u304c\u300c\u30bc\u30ed\u304b\u3089\u30a4\u30c1\u3078\u300d\u6210\u9577\u3059\u308b\u306e\u3092\u652f\u63f4\u3059\u308b\u3053\u3068\u306b\u3042\u308a\u307e\u3059\u3002\u3067\u3059\u304b\u3089\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u30bb\u30fc\u30eb\u30b9\u30b3\u30f3\u30b5\u30eb\u30bf\u30f3\u30c8\u306b\u8ee2\u8eab\u3057\u305f\u79c1\u305f\u3061\u306b\u3054\u76f8\u8ac7\u3057\u305f\u3044\u3053\u3068\u304c\u3042\u308c\u3070\u3001\u9060\u616e\u306a\u304f\u3054\u9023\u7d61\u304f\u3060\u3055\u3044\u3002\u524d\u9032\u3092\u963b\u3080\u3082\u306e\u306f\u4f55\u3082\u3042\u308a\u307e\u305b\u3093\u3002.\n            <\/p>\n            <a href=\"https:\/\/www.bldcpump.com\/ja\/\u306b\u3064\u3044\u3066\/\" class=\"btn-primary\" style=\"width:100%;justify-content:center;\">\u3082\u3063\u3068\u8a73\u3057\u304f\u77e5\u308b<\/a>\n          <\/div>\n        <\/div>\n\n        <!-- Card 2: Download Product Catalog (direct PDF, no form) -->\n        <div\n          style=\"background:#FFFFFF;border:1px solid #E3E8EE;border-radius:8px;overflow:hidden;box-shadow:0 1px 2px rgba(6,42,66,.06),0 1px 0 rgba(6,42,66,.04);transition:box-shadow .25s,transform .2s;\"\n          onmouseover=\"this.style.boxShadow='0 8px 24px -8px rgba(6,42,66,.18),0 2px 6px rgba(6,42,66,.06)';this.style.transform='translateY(-3px)'\"\n          onmouseout=\"this.style.boxShadow='0 1px 2px rgba(6,42,66,.06),0 1px 0 rgba(6,42,66,.04)';this.style.transform='translateY(0)'\"\n        >\n\n          <!-- Cover image area: portrait book cover on unified white card surface (no inner rectangle) -->\n          <div style=\"padding:30px 20px 18px;display:flex;justify-content:center;\">\n            <img decoding=\"async\"\n              src=\"\/wp-content\/uploads\/2026\/04\/BLDC-Pump-Product-Catalog-Cover.png\"\n              alt=\"BLDC\u30dd\u30f3\u30d7\u88fd\u54c1\u30ab\u30bf\u30ed\u30b0\u8868\u7d19\"\n              width=\"400\" height=\"500\"\n              loading=\"lazy\"\n              sizes=\"auto, (max-width:768px) 60vw, 150px\"\n              style=\"width:100%;max-width:160px;height:auto;display:block;\"\n            \/>\n          <\/div>\n\n          <!-- Card content -->\n          <div style=\"padding:22px 20px 24px;\">\n\n            <!-- Kicker -->\n            <div style=\"font-family:ui-monospace,'SF Mono',Menlo,Consolas,'Courier New',monospace;font-size:10px;font-weight:600;letter-spacing:0.16em;text-transform:uppercase;color:#1CA0C4;text-align:center;margin:0 0 8px;\">\n              \u25c6\u7121\u6599\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u30fbPDF\n            <\/div>\n\n            <!-- Title -->\n            <h4 style=\"font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:16px;font-weight:700;color:#062A42;letter-spacing:-0.01em;margin:0 0 14px;text-align:center;line-height:1.35;\">\n              \u88fd\u54c1\u30ab\u30bf\u30ed\u30b0\u5168\u6587\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\n            <\/h4>\n\n            <!-- What's inside checklist -->\n            <ul style=\"list-style:none;padding:0;margin:0 0 18px;display:flex;flex-direction:column;gap:7px;\">\n              <li style=\"display:flex;align-items:flex-start;gap:8px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:13px;color:#0F2533;line-height:1.5;\">\n                <svg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" aria-hidden=\"true\" style=\"flex-shrink:0;margin-top:3px;\">\n                  <circle cx=\"7\" cy=\"7\" r=\"6.25\" stroke=\"#1CA0C4\" stroke-width=\"1.3\" fill=\"rgba(28,160,196,.08)\"\/>\n                  <path d=\"M4.2 7l2 2 3.6-4\" stroke=\"#1CA0C4\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                <\/svg>\n                <span>49\u30b7\u30ea\u30fc\u30ba\u30fb135\u30e2\u30c7\u30eb<\/span>\n              <\/li>\n              <li style=\"display:flex;align-items:flex-start;gap:8px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:13px;color:#0F2533;line-height:1.5;\">\n                <svg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" aria-hidden=\"true\" style=\"flex-shrink:0;margin-top:3px;\">\n                  <circle cx=\"7\" cy=\"7\" r=\"6.25\" stroke=\"#1CA0C4\" stroke-width=\"1.3\" fill=\"rgba(28,160,196,.08)\"\/>\n                  <path d=\"M4.2 7l2 2 3.6-4\" stroke=\"#1CA0C4\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                <\/svg>\n                <span>\u6027\u80fd\u66f2\u7dda\u3068\u5bf8\u6cd5<\/span>\n              <\/li>\n              <li style=\"display:flex;align-items:flex-start;gap:8px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:13px;color:#0F2533;line-height:1.5;\">\n                <svg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" aria-hidden=\"true\" style=\"flex-shrink:0;margin-top:3px;\">\n                  <circle cx=\"7\" cy=\"7\" r=\"6.25\" stroke=\"#1CA0C4\" stroke-width=\"1.3\" fill=\"rgba(28,160,196,.08)\"\/>\n                  <path d=\"M4.2 7l2 2 3.6-4\" stroke=\"#1CA0C4\" stroke-width=\"1.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/>\n                <\/svg>\n                <span>OEM\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u30aa\u30d7\u30b7\u30e7\u30f3<\/span>\n              <\/li>\n              <li style=\"display:flex;align-items:flex-start;gap:8px;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;font-size:13px;color:#0F2533;line-height:1.5;\">\n                <svg width=\"14\" height=\"14\" viewbox=\"0 0 14 14\" fill=\"none\" aria-hidden=\"true\" 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\u3055\u3042\u3001\u524d\u306b\u9032\u3082\u3046\u3002.\n          <\/p>\n        <\/div>\n      <\/div>\n\n      <!-- Right: CTA button \u2014 amber (.btn-accent), links to \/contact\/ (no form on this page) -->\n      <a href=\"https:\/\/www.bldcpump.com\/ja\/\u63a5\u89e6\/\" class=\"btn-accent\">\n        \u304a\u554f\u3044\u5408\u308f\u305b\n        <svg width=\"16\" height=\"16\" viewbox=\"0 0 16 16\" fill=\"none\" aria-hidden=\"true\"><path d=\"M3 8h10M9 4l4 4-4 4\" stroke=\"currentColor\" stroke-width=\"1.8\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg>\n      <\/a>\n\n    <\/div>\n  <\/section>\n\n<\/main>","protected":false},"excerpt":{"rendered":"<p>\u25c6 SUPPORT \u00b7 TECHNICAL GUIDE Which factors affect the head of the water pump? Home \u203a Support \u203a Which factors affect the head of the water pump? Here we will only discuss small centrifugal pumps, not other types of water pumps. We will mainly consider the factors that affect the pump head (pressure). So what [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1013,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"Factors Affecting Water Pump Head Pressure | BLDC PUMP","_seopress_titles_desc":"What determines a water pump's head (lift) \u2014 pump curves, voltage, viscosity, pipe diameter, head loss. Explained for engineers selecting a brushless DC pump.","_seopress_robots_index":"","_seopress_analysis_target_kw":"","_zeroy_edited":true,"_zeroy_last_edited":"2026-05-01 03:36:41","footnotes":""},"class_list":["post-961","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.bldcpump.com\/ja\/wp-json\/wp\/v2\/pages\/961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bldcpump.com\/ja\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.bldcpump.com\/ja\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.bldcpump.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bldcpump.com\/ja\/wp-json\/wp\/v2\/comments?post=961"}],"version-history":[{"count":3,"href":"https:\/\/www.bldcpump.com\/ja\/wp-json\/wp\/v2\/pages\/961\/revisions"}],"predecessor-version":[{"id":1277,"href":"https:\/\/www.bldcpump.com\/ja\/wp-json\/wp\/v2\/pages\/961\/revisions\/1277"}],"up":[{"embeddable":true,"href":"https:\/\/www.bldcpump.com\/ja\/wp-json\/wp\/v2\/pages\/1013"}],"wp:attachment":[{"href":"https:\/\/www.bldcpump.com\/ja\/wp-json\/wp\/v2\/media?parent=961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}