{"id":951,"date":"2025-08-13T05:30:00","date_gmt":"2025-08-12T21:30:00","guid":{"rendered":"https:\/\/zjhaotianwelding.com\/?p=951"},"modified":"2025-08-12T13:45:37","modified_gmt":"2025-08-12T05:45:37","slug":"ppr-fusion-joint-inspection","status":"publish","type":"post","link":"https:\/\/zjhaotianwelding.com\/ja\/ppr-fusion-joint-inspection\/","title":{"rendered":"PPR\u30d1\u30a4\u30d7\u878d\u7740\u691c\u67fb\uff1a\u6f0f\u308c\u306e\u306a\u3044\u7d99\u624b\u306e\u305f\u3081\u306e7\u6bb5\u968e\u691c\u8a3c"},"content":{"rendered":"<h3 class=\"wp-block-heading\">1.\u76ee\u8996\u691c\u67fb\uff08\u51b7\u5374\u76f4\u5f8c\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30c0\u30d6\u30eb\u30fb\u30d3\u30fc\u30ba\u306e\u5f62\u6210\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u53ef<\/strong>:\u30d1\u30a4\u30d7\u3068\u7d99\u624b\u306e\u63a5\u5408\u90e8\u306b\u5747\u4e00\u306a\u6eb6\u878d\u30ea\u30f3\u30b0\uff08\u6700\u4f4e1mm\u306e\u9ad8\u3055\uff09<\/li>\n\n\n\n<li><strong>\u5374\u4e0b<\/strong>:\u4e0d\u898f\u5247\u306a\u30d3\u30fc\u30c9\u3001\u4e0d\u5b8c\u5168\u306a\u30d3\u30fc\u30c9\u5f62\u6210\uff08\u30b3\u30fc\u30eb\u30c9\u30b8\u30e7\u30a4\u30f3\u30c8\u3092\u793a\u3059\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u8272\u3068\u8cea\u611f\u3092\u8abf\u3079\u308b<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u30ce\u30fc\u30de\u30eb<\/strong>:\u6ed1\u3089\u304b\u306a\u8868\u9762\u3001\u4e00\u8cab\u3057\u305f\u6de1\u8910\u8272<\/li>\n\n\n\n<li><strong>\u5374\u4e0b<\/strong>:\n<ul class=\"wp-block-list\">\n<li>\u6de1\u9ec4\u8272\uff08\u52a0\u71b1\u4e0d\u8db3\uff09<\/li>\n\n\n\n<li>\u6697\u8910\u8272\/\u9ed2\u8272\uff08\u30aa\u30fc\u30d0\u30fc\u30d2\u30fc\u30c8\uff09<\/li>\n\n\n\n<li>\u6ce1\uff0f\u4e80\u88c2\uff08\u30b3\u30f3\u30bf\u30df\u30cd\u30fc\u30b7\u30e7\u30f3\uff09<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u633f\u5165\u6df1\u3055\u306e\u78ba\u8a8d<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5370\u3092\u3064\u3051\u305f\u7dda\u306b\u5bfe\u3057\u3066\u30ce\u30ae\u30b9\u3067\u6e2c\u5b9a\u3059\u308b<\/li>\n\n\n\n<li>\u8a31\u5bb9\u516c\u5dee\uff1a0.5mm \u306e\u504f\u5dee<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2.\u89e6\u899a\u3068\u5bf8\u6cd5\u306e\u691c\u8a3c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30b8\u30e7\u30a4\u30f3\u30c8\u5747\u4e00\u6027\u8a66\u9a13<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u5de5\u5177<\/strong><\/th><th><strong>\u65b9\u6cd5<\/strong><\/th><th><strong>\u5408\u683c\u57fa\u6e96<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\u30b3\u30f3\u30bf\u30fc\u30b2\u30fc\u30b8<\/td><td>\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u30fb\u30b8\u30e3\u30f3\u30af\u30b7\u30e7\u30f3\u30fb\u30b3\u30f3\u30bf\u30fc<\/td><td>\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u79fb\u884c<\/td><\/tr><tr><td>\u30ad\u30e3\u30ea\u30d1\u30fc<\/td><td>\u30d3\u30fc\u30ba\u306e\u5186\u5468\u3092\u6e2c\u308b<\/td><td>\u76f4\u5f84\u5909\u52d5 \u22645%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5185\u90e8\u5909\u5f62\u30c1\u30a7\u30c3\u30af<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u624b\u52d5\u691c\u67fb(DN\u226525\u306e\u5834\u5408\u306f\u30d5\u30a3\u30f3\u30ac\u30fc\u30b9\u30a4\u30fc\u30d7)<\/li>\n\n\n\n<li>DN\u226420\u306e\u30dc\u30a2\u30b9\u30b3\u30fc\u30d7\u691c\u67fb<\/li>\n\n\n\n<li>\u3082\u3057\u305d\u3046\u306a\u3089\u5374\u4e0b\u3059\u308b\uff1a\n<ul class=\"wp-block-list\">\n<li>\u5185\u90e8\u30d3\u30fc\u30ba\u304c\u30d5\u30ed\u30fc\u3092\u6e1b\u5c11 &gt;10%<\/li>\n\n\n\n<li>\u6955\u5186\u5f62\u306e\u5909\u5f62\u304c3%\u3092\u4e0a\u56de\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3.\u5727\u529b\u8a66\u9a13\uff08\u5fc5\u9808\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\uff09<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u30b9\u30c6\u30fc\u30b81\uff1a\u4e88\u5099\u30a8\u30a2\u30c6\u30b9\u30c8<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>0.5\u30d0\u30fc\u30eb\u306e\u7a7a\u6c17\u5727\u3092\u304b\u3051\u308b<\/li>\n\n\n\n<li>\u63a5\u5408\u90e8\u306b\u77f3\u9e78\u6db2\u3092\u5857\u308b<\/li>\n\n\n\n<li>\u30d1\u30b910\u5206\u7d4c\u3063\u3066\u3082\u6ce1\u304c\u51fa\u306a\u3044<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u7b2c2\u6bb5\u968e\uff1a\u9759\u6c34\u5727\u8a66\u9a13<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u30d1\u30e9\u30e1\u30fc\u30bf<\/strong><\/th><th><strong>\u5fc5\u8981\u6761\u4ef6<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\u8a66\u9a13\u5a92\u4f53<\/td><td>20\u00b15\u2103\u306e\u6e05\u6d44\u306a\u6c34<\/td><\/tr><tr><td>\u8a66\u9a13\u5727\u529b<\/td><td>1.5 \u00d7 \u30b7\u30b9\u30c6\u30e0\u4f5c\u52d5\u5727\u529b<\/td><\/tr><tr><td>\u671f\u9593<\/td><td>\u6700\u4f4e1\u6642\u9593\uff08\u91cd\u8981\u306a\u30b7\u30b9\u30c6\u30e0\uff1a24\u6642\u9593\uff09<\/td><\/tr><tr><td>\u53d7\u3051\u5165\u308c<\/td><td>\u5727\u529b\u964d\u4e0b \u22640.2 bar<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u6ce8\uff1a\u51cd\u7d50\u6761\u4ef6\u4e0b\u3067\u306f\u3001\u30b0\u30ea\u30b3\u30fc\u30eb\u30d9\u30fc\u30b9\u306e\u8a66\u9a13\u6db2\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4.\u6b20\u9665\u5206\u6790\u3068\u4fee\u6b63<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th><strong>\u6b20\u9665<\/strong><\/th><th><strong>\u539f\u56e0<\/strong><\/th><th><strong>\u662f\u6b63\u63aa\u7f6e<\/strong><\/th><\/tr><\/thead><tbody><tr><td>\u4e0d\u898f\u5247\u306a\u30d3\u30fc\u30c9\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb<\/td><td>\u4e0d\u5747\u4e00\u306a\u52a0\u71b1<\/td><td>\u30b8\u30e7\u30a4\u30f3\u30c8\u3092\u4ea4\u63db\u3057\u3001\u30c0\u30a4\u3092\u518d\u8abf\u6574\u3059\u308b<\/td><\/tr><tr><td>\u30d3\u30fc\u30ba\u30fb\u30de\u30a4\u30af\u30ed\u30d0\u30d6\u30eb<\/td><td>\u6c34\u5206\u6c5a\u67d3<\/td><td>\u90e8\u54c1\u3092\u4e7e\u71e5\u3055\u305b\u3001\u30a2\u30eb\u30b3\u30fc\u30eb\u3067\u518d\u6d17\u6d44\u3059\u308b\u3002<\/td><\/tr><tr><td>\u904e\u5ea6\u306e\u5727\u529b\u4f4e\u4e0b<\/td><td>\u30dc\u30a4\u30c9\uff0f\u30b3\u30fc\u30eb\u30c9\u30b8\u30e7\u30a4\u30f3\u30c8<\/td><td>\u30bb\u30af\u30b7\u30e7\u30f3\u3092\u5207\u308a\u53d6\u3063\u3066\u7f6e\u304d\u63db\u3048\u308b<\/td><\/tr><tr><td>\u30b9\u30c8\u30ec\u30b9\u30db\u30ef\u30a4\u30c8\u30cb\u30f3\u30b0<\/td><td>\u65e9\u3059\u304e\u308b\u53d6\u308a\u6271\u3044<\/td><td>\u30b5\u30dd\u30fc\u30c8\u8ffd\u52a0\u3001\u518d\u30c6\u30b9\u30c8<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5.\u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u8981\u4ef6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a18\u9332\u3092\u7ba1\u7406\u3059\u308b\uff1a<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\u6eb6\u63a5\u6a5f\u6821\u6b63\u8a3c\u660e\u66f8<\/li>\n\n\n\n<li>\u6750\u6599\u306e\u30d0\u30c3\u30c1\u756a\u53f7\uff08\u30d1\u30a4\u30d7\uff0b\u7d99\u624b\uff09<\/li>\n\n\n\n<li>\u30b8\u30e7\u30a4\u30f3\u30c8\u3054\u3068\u306e\u6642\u9593-\u6e29\u5ea6\u30ed\u30b0<\/li>\n\n\n\n<li>\u30bf\u30a4\u30e0\u30b9\u30bf\u30f3\u30d7\u4ed8\u304d\u5727\u529b\u8a66\u9a13\u7d50\u679c<\/li>\n\n\n\n<li>\u691c\u67fb\u5b98\u691c\u8a3c\u30ec\u30dd\u30fc\u30c8<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u3059\u3079\u3066\u306e\u691c\u67fb\u306b\u5408\u683c\u3057\u305f\u63a5\u5408\u90e8\u306f\u3001\u6c38\u4e45\u7684\u306a\u8a2d\u7f6e\u306b\u95a2\u3059\u308b\u696d\u754c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\u6280\u8853\u7684\u539f\u5247\uff1a<\/strong>&nbsp;\u9069\u5207\u306b\u6eb6\u65ad\u3055\u308c\u305fPPR\u7d99\u624b\u306f\u3001\u6c7a\u3057\u3066\u6eb6\u63a5\u754c\u9762\u3067\u7834\u640d\u3059\u308b\u3053\u3068\u306f\u306a\u304f\u3001\u30d1\u30a4\u30d7\u6750\u6599\u5185\u3067\u7834\u640d\u3059\u308b\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>1. Visual Inspection (Immediate Post-Cooling) Check Double Bead Formation Examine Color &amp; Texture Verify Insertion Depth 2. Tactile &amp; Dimensional Verification Joint Uniformity Test Tool Method Pass Standard Contour gauge Profile junction contour Seamless transition Calipers Measure bead circumference Diameter variation \u22645% Internal Deformation Check 3. Pressure Testing (Mandatory Validation) Stage 1: Preliminary Air Test Stage 2: Hydrostatic Pressure Test Parameter Requirement Test medium Clean water at 20\u00b15\u00b0C Test pressure 1.5 \u00d7 system operating pressure Duration Minimum 1 hour (critical systems: 24h) Acceptance Pressure drop \u22640.2 bar Note: In freezing conditions, use glycol-based test fluids 4. Defect Analysis &amp; Correction Defect Cause Corrective Action Irregular bead profile Uneven heating Replace &#8230; <a title=\"PPR\u30d1\u30a4\u30d7\u878d\u7740\u691c\u67fb\uff1a\u6f0f\u308c\u306e\u306a\u3044\u7d99\u624b\u306e\u305f\u3081\u306e7\u6bb5\u968e\u691c\u8a3c\" class=\"read-more\" href=\"https:\/\/zjhaotianwelding.com\/ja\/ppr-fusion-joint-inspection\/\" aria-label=\"PPR Pipe Fusion Inspection: 7-Step Verification for Leak-Proof Joints \u306b\u3064\u3044\u3066\u3055\u3089\u306b\u8aad\u3080\">\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>","protected":false},"author":1,"featured_media":952,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-951","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PPR Pipe Fusion Inspection: 7-Step Verification for Leak-Proof Joints - HAOTIAN<\/title>\n<meta name=\"description\" content=\"PPR Pipe Fusion Inspection: 7-Step Verification for Leak-Proof Joints Proper post-fusion inspection ensures lifetime integrity of PPR systems. 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