{"product_id":"s-h-pph-socket-fusion-reducing-coupling-s5-1-25mpa-chemical-grade-hot-melt-pipe-reducer-connector-25mm-110mm","title":"S.H PPH Socket Fusion Reducing Coupling | S5 1.25MPa Chemical-Grade Hot-Melt Pipe Reducer Connector (25mm - 110mm)","description":"\u003ch2\u003eXieyu S.H Premium PPH Socket Fusion Reducing Couplings (S5 \/ 1.25MPa)\u003c\/h2\u003e\n\u003cp\u003e\n  Optimize and transition your industrial, chemical, and fluid-treatment pipeline runs smoothly with our premium Xieyu S.H PPH socket fusion reducing couplings, available at \u003ca href=\"https:\/\/atradesen.com\" target=\"_blank\"\u003eAtradesen.com\u003c\/a\u003e. Manufactured by Xieyu (S.H \/ HIEH), a globally recognized leader in high-performance thermoplastic piping systems, these heavy-duty PPH (Polypropylene Homopolymer) fittings are engineered to withstand continuous operating pressures up to 1.25 MPa (181 PSI) and temperature loads from -20°C to 100°C.\n\u003c\/p\u003e\n\u003cp\u003e\n  Featuring a robust, thickened wall profile and standard parallel socket depths, this professional reducing coupling (reducer) series is highly compatible with industrial chemical pipelines, acid pickling loops, electroplating lines, waste gas scrubbers, waste acid recovery, and wastewater treatment.\n\u003c\/p\u003e\n\n\u003ch3\u003eSmooth Conical Socket Reducing Transitions\u003c\/h3\u003e\n\u003cp\u003e\n  In complex chemical piping manifolds, transitioning from a larger main line to a smaller lateral run typically requires cutting pipes and installing multiple fittings or adapters. Our specialized one-piece reducing coupling (conical reducer) simplifies this layout: the straight-through ends are standard socket sizes designed to bridge two different pipe diameters directly. This seamless inline design conserves space, reduces structural stress, and minimizes potential leak points by eliminating extra joints.\n\u003c\/p\u003e\n\n\u003ch3\u003eHigh-Integrity PPH Material Qualities\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChemical \u0026amp; Abrasive Wear Resistance:\u003c\/strong\u003e Molded from high-purity Homopolymer Polypropylene, these S5-rated fittings offer superior chemical resistance to highly corrosive media, organic solvents, strong alkalis, and mineral acids.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafe \u0026amp; Potable Certified:\u003c\/strong\u003e PPH is entirely non-toxic, lead-free, and odorless, making these reducing couplings completely safe for drinking water pipelines, pharmaceutical loops, and food processing lines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Sizing \u0026amp; Socket Fusion Guidelines\u003c\/h3\u003e\n\u003cp\u003e\n  \u003cstrong\u003eNominal pipe dimensions are based on standard outer diameters. Please measure your pipe outer diameter (OD) before placing your order:\u003c\/strong\u003e\n\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSizing Structure:\u003c\/strong\u003e The size specification format (e.g., 25mm x 20mm to 110mm x 90mm) corresponds to the \u003cstrong\u003eouter diameter (OD) of the larger main run pipe x the outer diameter (OD) of the smaller reduced pipe\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeld Connection Methods:\u003c\/strong\u003e Requires standard hot-melt socket fusion welding using professional heating equipment to melt the joints together, securing a completely seamless, leak-proof molecular system. Alternatively, they can be welded using PPH plastic welding rods.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f2f2f2; text-align: left;\"\u003e\n      \u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eFeature\u003c\/th\u003e\n      \u003cth style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDetails\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eBrand \u0026amp; Quality\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eXieyu \/ S.H \/ HIEH (Premier Chemical-Grade Flow Systems)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eMaterial\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePotable \u0026amp; Chemical-Grade PPH (Polypropylene Homopolymer)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003ePressure Rating Class\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eS5 (SDR11) \/ 1.25 MPa (181 PSI \/ 12.5kg)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eWorking Temperature Range\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e-20°C to 100°C (-4°F to 212°F) - Highly resistant to freezing and boiling loads\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd; font-weight: bold;\"\u003eColor\u003c\/td\u003e\n      \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBeige\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why should I choose a one-piece reducing coupling over an equal coupling with reducing bushings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: A one-piece reducing coupling is structurally molded as a single unit, which provides significantly higher structural integrity and a uniform stress profile. In heavy industrial or chemical processing networks, every welded joint is a potential risk point. Using an integrated reducing coupling eliminates the extra weld seams required by bushings, greatly reducing potential leak paths and safeguarding high-pressure flow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can standard PPR socket fusion machines be used to heat-weld these PPH couplings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes. PPH and PPR share similar polypropylene base characteristics. Standard socket fusion hot-melt welding machines equipped with matching heating adaptors can weld PPH fittings. Ensure the welding temperature is adjusted precisely to PPH parameters (typically 260°C) and the pipe end is clean of moisture and dirt before fusion.\u003c\/p\u003e\n\n\u003c!-- Recommended System Bundles \u0026 Cross-Linking (Strictly 3 Links, Chinese placeholders inside href) --\u003e\n\u003cdiv style=\"background-color: #fcfcfc; border: 1px solid #e5e5e5; padding: 15px; border-radius: 6px; margin-top: 30px;\"\u003e\n  \u003cp style=\"margin: 0 0 10px 0; font-size: 15px; font-weight: bold; color: #333;\"\u003eRecommended System Bundles \u0026amp; Companion Products:\u003c\/p\u003e\n  \u003cul style=\"margin: 0; padding-left: 20px; font-size: 14px; color: #555;\"\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n      \u003cstrong\u003eFor Symmetrical Branch Tees:\u003c\/strong\u003e To branch out pipelines into different sized runs, use our matching \n      \u003ca href=\"https:\/\/atradesen.com\/collections\/pph-hot-melt-fittings\/products\/s-h-pph-socket-fusion-reducing-tee-s5-1-25mpa-chemical-grade-hot-melt-pipe-branch-tee-joint-25mm-110mm\" style=\"text-decoration: underline; font-weight: bold; color: #0056b3;\"\u003eXieyu S.H PPH Socket Fusion Reducing Tees\u003c\/a\u003e.\n    \u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 8px;\"\u003e\n      \u003cstrong\u003eFor High-Performance Control Valves:\u003c\/strong\u003e To integrate dual-union block ball valves into your welded pipeline, explore our matching \n      \u003ca href=\"https:\/\/atradesen.com\/collections\/pph-hot-melt-fittings\/products\/sanking-pph-true-union-ball-valve-s5-1-0mpa-hot-melt-socket-fusion-double-union-chemical-pipe-valve-1-2-to-4-atradesen\" style=\"text-decoration: underline; font-weight: bold; color: #0056b3;\"\u003eSanking PPH True Union Ball Valves\u003c\/a\u003e.\n    \u003c\/li\u003e\n    \u003cli style=\"margin-bottom: 0;\"\u003e\n      \u003cstrong\u003eFor Right-Angle Plumbing:\u003c\/strong\u003e Connect these couplings to standard female-threaded pipe ends using our matching \n      \u003ca href=\"https:\/\/atradesen.com\/collections\/pph-hot-melt-fittings\/products\/s-h-pph-45-degree-socket-fusion-elbow-s5-1-25mpa-chemical-grade-hot-melt-pipe-bend-joint-20mm-110mm-atradesen\" style=\"text-decoration: underline; font-weight: bold; color: #0056b3;\"\u003eXieyu PPH 45-Degree Socket Fusion Elbows\u003c\/a\u003e.\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Atradesen","offers":[{"title":"25mmX20mm","offer_id":56828169388198,"sku":null,"price":0.54,"currency_code":"USD","in_stock":true},{"title":"32mmX20mm","offer_id":56828169420966,"sku":null,"price":0.59,"currency_code":"USD","in_stock":true},{"title":"32mmX25mm","offer_id":56828169453734,"sku":null,"price":0.75,"currency_code":"USD","in_stock":true},{"title":"40mmX20mm","offer_id":56828169486502,"sku":null,"price":1.01,"currency_code":"USD","in_stock":true},{"title":"40mmX25mm","offer_id":56828169519270,"sku":null,"price":1.32,"currency_code":"USD","in_stock":true},{"title":"40mmX32mm","offer_id":56828169552038,"sku":null,"price":1.45,"currency_code":"USD","in_stock":true},{"title":"50mmX20mm","offer_id":56828169584806,"sku":null,"price":1.98,"currency_code":"USD","in_stock":true},{"title":"50mmX25mm","offer_id":56828169617574,"sku":null,"price":2.01,"currency_code":"USD","in_stock":true},{"title":"50mmX32mm","offer_id":56828169650342,"sku":null,"price":2.23,"currency_code":"USD","in_stock":true},{"title":"50mmX40mm","offer_id":56828169683110,"sku":null,"price":2.54,"currency_code":"USD","in_stock":true},{"title":"63mmX25mm","offer_id":56828169715878,"sku":null,"price":3.12,"currency_code":"USD","in_stock":true},{"title":"63mmX32mm","offer_id":56828169748646,"sku":null,"price":3.56,"currency_code":"USD","in_stock":true},{"title":"63mmX40mm","offer_id":56828169781414,"sku":null,"price":4.01,"currency_code":"USD","in_stock":true},{"title":"63mmX50mm","offer_id":56828169814182,"sku":null,"price":4.36,"currency_code":"USD","in_stock":true},{"title":"75mmX32mm","offer_id":56828169846950,"sku":null,"price":4.68,"currency_code":"USD","in_stock":true},{"title":"75mmX40mm","offer_id":56828169879718,"sku":null,"price":5.32,"currency_code":"USD","in_stock":true},{"title":"75mmX50mm","offer_id":56828169912486,"sku":null,"price":5.96,"currency_code":"USD","in_stock":true},{"title":"75mmX63mm","offer_id":56828169945254,"sku":null,"price":6.32,"currency_code":"USD","in_stock":true},{"title":"90mmX40mm","offer_id":56828169978022,"sku":null,"price":6.98,"currency_code":"USD","in_stock":true},{"title":"90mmX50mm","offer_id":56828170010790,"sku":null,"price":7.65,"currency_code":"USD","in_stock":true},{"title":"90mmX63mm","offer_id":56828170043558,"sku":null,"price":8.96,"currency_code":"USD","in_stock":true},{"title":"90mmX75mm","offer_id":56828170076326,"sku":null,"price":9.75,"currency_code":"USD","in_stock":true},{"title":"110mmX50mm","offer_id":56828170109094,"sku":null,"price":13.56,"currency_code":"USD","in_stock":true},{"title":"110mmX63mm","offer_id":56828170141862,"sku":null,"price":14.85,"currency_code":"USD","in_stock":true},{"title":"110mmX75mm","offer_id":56828170174630,"sku":null,"price":15.45,"currency_code":"USD","in_stock":true},{"title":"110mmX90mm","offer_id":56828170207398,"sku":null,"price":17.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0739\/2588\/6118\/files\/S.H_PPH_Socket_Fusion_Reducing_Coupling_S5_1.25MPa_Chemical-Grade_Hot-Melt_Pipe_Reducer_Connector_25mm_-_110mm_-001.png?v=1784360846","url":"https:\/\/atradesen.com\/products\/s-h-pph-socket-fusion-reducing-coupling-s5-1-25mpa-chemical-grade-hot-melt-pipe-reducer-connector-25mm-110mm","provider":"Atradesen","version":"1.0","type":"link"}