{"id":1098,"date":"2025-09-09T02:45:22","date_gmt":"2025-09-09T02:45:22","guid":{"rendered":"https:\/\/chjnjpvhk3.onrocket.site\/?p=1098"},"modified":"2026-07-29T07:34:43","modified_gmt":"2026-07-29T07:34:43","slug":"%e7%9f%b3%e6%b2%b9%e3%82%ac%e3%82%b9","status":"publish","type":"post","link":"https:\/\/pepsenpu.com\/ja\/%e7%9f%b3%e6%b2%b9%e3%82%ac%e3%82%b9\/","title":{"rendered":"\u77f3\u6cb9\u30fb\u30ac\u30b9"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u76ee\u6b21<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u30c8\u30b0\u30eb\u76ee\u6b21\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\ubaa9\ucc28 \uc5f4\uae30\/\ub2eb\uae30<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/pepsenpu.com\/ja\/%e7%9f%b3%e6%b2%b9%e3%82%ac%e3%82%b9\/#Cast_Polyurethane_Components_for_Oil_Gas_Equipment\" >Cast Polyurethane Components for Oil &amp; Gas Equipment<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/pepsenpu.com\/ja\/%e7%9f%b3%e6%b2%b9%e3%82%ac%e3%82%b9\/#Material_Selection_Considerations_for_Oil_Gas\" >Material Selection Considerations for Oil &amp; Gas<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/pepsenpu.com\/ja\/%e7%9f%b3%e6%b2%b9%e3%82%ac%e3%82%b9\/#Key_Applications\" >\u4e3b\u306a\u7528\u9014<\/a><\/li><\/ul><\/nav><\/div>\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Cast_Polyurethane_Components_for_Oil_Gas_Equipment\"><\/span><strong>Cast Polyurethane Components for Oil &amp; Gas Equipment<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Oil and gas components may face abrasive solids, hydrocarbons, drilling fluids, brines, gas exposure, pressure cycling, impact and temperature changes. Cast polyurethane can be considered for wear, sealing, scraping, cushioning and pipe-handling components. Final suitability requires grade-specific compatibility data, pressure and extrusion design, temperature limits, rapid-gas-decompression review, testing and applicable industry standards.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><br><\/h2>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"893\" height=\"549\" src=\"https:\/\/pepsenpu.com\/wp-content\/uploads\/2025\/09\/polyurethane-products-for-oil-and-gas-industry.png\" alt=\"\u77f3\u6cb9\u30fb\u30ac\u30b9\u7523\u696d\u5411\u3051\u30dd\u30ea\u30a6\u30ec\u30bf\u30f3\u88fd\u54c1\" class=\"wp-image-1099 size-full\" srcset=\"https:\/\/pepsenpu.com\/wp-content\/uploads\/2025\/09\/polyurethane-products-for-oil-and-gas-industry.png 893w, https:\/\/pepsenpu.com\/wp-content\/uploads\/2025\/09\/polyurethane-products-for-oil-and-gas-industry-300x184.png 300w, https:\/\/pepsenpu.com\/wp-content\/uploads\/2025\/09\/polyurethane-products-for-oil-and-gas-industry-768x472.png 768w\" sizes=\"auto, (max-width: 893px) 100vw, 893px\" \/><\/figure><\/div>\n\n\n\n<div style=\"height:51px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Material_Selection_Considerations_for_Oil_Gas\"><\/span><strong>Material Selection Considerations for Oil &amp; Gas<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">- <strong>Abrasion, cut and tear resistance:<\/strong> Performance depends on solids, velocity, lubrication, impact, geometry and the polyurethane grade. Compare candidate materials with an applicable test method and field inspection data.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">- <strong>Chemical and sour-service compatibility:<\/strong> Resistance varies by formulation. Crude oil, drilling mud, brine, additives, H\u2082S, CO\u2082 and cleaning chemicals must be evaluated at the actual concentration, temperature, pressure and exposure time; immersion data alone does not qualify a component.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">- <strong>Pressure, extrusion and impact design:<\/strong> Datasheet strength is not an allowable working pressure. Seals, valve components and pig elements require review of pressure differential, extrusion gaps, decompression, impact, tolerances, safety factors and validation testing.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">- <strong>Temperature and decompression limits:<\/strong> Operating limits are grade-specific and depend on continuous or intermittent exposure, pressure, media and gas saturation. Provide the full temperature cycle and shutdown or depressurization conditions.<\/p>\n\n\n\n<div style=\"height:46px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:51px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Key_Applications\"><\/span><strong>\u4e3b\u306a\u7528\u9014<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div style=\"height:21px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">- <strong><a href=\"https:\/\/pepsenpu.com\/ja\/%e3%83%9d%e3%83%aa%e3%82%a6%e3%83%ac%e3%82%bf%e3%83%b3%e3%83%91%e3%82%a4%e3%83%97%e3%83%ad%e3%83%bc%e3%83%a9%e3%83%bc\/\">V-groove rollers for pipeline handling and conveyors<\/a><\/strong>: specify pipe diameter, coating, roller load, contact angle, speed, outdoor exposure and allowable surface pressure.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Pipeline pigs and spheres for batching, separation or cleaning: specify line size, internal diameter, medium, pressure, temperature, speed, bypass and cup or disc geometry.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Subsea and offshore bend-restrictor components: design depends on minimum bend radius, tension, installation loads, fatigue, seawater exposure and project qualification requirements.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Molded impact or wear protection for pipeline elbows: structural pressure reinforcement requires a separately engineered system and should not be inferred from a polyurethane cover.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div style=\"height:0px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Mud-pump pistons and valve elements: formulation, fabric or metal reinforcement, seal geometry, fluid, solids, pressure cycle and test requirements must be defined.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Thread-die and connection protectors: specify thread form, handling loads, oils, temperature, fit and reuse requirements.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">- <strong><a href=\"https:\/\/pepsenpu.com\/ja\/%e3%82%bd%e3%83%aa%e3%83%83%e3%83%89%e3%82%ad%e3%83%a3%e3%82%b9%e3%83%88%e3%82%a6%e3%83%ac%e3%82%bf%e3%83%b3%e3%83%91%e3%82%a4%e3%83%97%e3%83%a9%e3%82%a4%e3%83%b3%e3%82%af%e3%83%aa%e3%83%bc%e3%83%8b\/\">Cups, discs and sealing elements for inspection or cleaning pigs<\/a><\/strong>: polyurethane provides contact and sealing functions; the inspection capability is supplied by the complete pig system.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Drill-pipe and casing protective sleeves: specify pipe size, contact pressure, rotation, abrasion, fluid and installation method.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Pipeline-joint gaskets and sealing rings: manufacture only to the approved drawing, material specification, pressure class and qualification test plan.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Pipeline outer-wall protective components and linings: surface preparation, adhesion, thickness, temperature, soil or seawater exposure and cathodic-protection compatibility must be reviewed.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Drilling-platform shock absorbers and bumpers: define impact energy, stroke, preload, dimensions, mounting and weather exposure.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Wellhead valve seals and valve elements: require grade-specific media compatibility, extrusion control, pressure and temperature qualification, tolerances and documented testing.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Platform fenders and anti-collision blocks: specify impact energy, contact geometry, mounting, UV, seawater and temperature exposure.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">&#8211; Marine cable protective sleeves: specify cable diameter, bend radius, tension, abrasion, seawater, UV and installation method.<\/p>\n\n\n\n<div style=\"height:26px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Material Selection Considerations for Oil &amp; Gas &#8211; Abrasion, cut and tear resistance: Performance depends on solids, velocity, lubrication, impact, geometry and the polyurethane grade. Compare candidate materials with an applicable test method and field inspection data. &#8211; Chemical and sour-service compatibility: Resistance varies by formulation. Crude oil, drilling mud, brine, additives, H\u2082S, CO\u2082 and cleaning chemicals must be evaluated at the actual concentration, temperature, pressure and exposure time; immersion data alone does not qualify a component. &#8211; Pressure, extrusion and impact design: Datasheet strength is not an allowable working pressure. Seals, valve components and pig elements require review of pressure differential, extrusion gaps, decompression, impact, tolerances, safety factors and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Polyurethane Oil & Gas Parts | Pigs & Seals | Pepsen","_seopress_titles_desc":"Custom polyurethane pig cups, pipeline rollers, protectors, dampers and seals for oil and gas equipment. 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