{"product_id":"double-ball-air-release-valve","title":"Double Ball Air Release Valve","description":"\u003cp data-start=\"273\" data-end=\"603\"\u003eDouble Ball Air Release Valve is designed for efficient air discharge and vacuum protection in pressurized pipeline systems. The dual chamber structure enables both large volume air release during pipeline filling and continuous small air discharge during operation, ensuring system stability and preventing pressure fluctuations.\u003c\/p\u003e\n\u003cp data-start=\"605\" data-end=\"938\"\u003eThe valve body, middle cover, and side cover are manufactured from high-strength \u003cstrong data-start=\"686\" data-end=\"727\"\u003eEN-GJS-400 or EN-GJS-500 ductile iron\u003c\/strong\u003e, providing superior durability and resistance against mechanical stress. The internal mechanism includes a \u003cstrong data-start=\"835\" data-end=\"863\"\u003epolyethylene ball system\u003c\/strong\u003e, ensuring smooth operation and long service life with minimal maintenance.\u003c\/p\u003e\n\u003cp data-start=\"940\" data-end=\"1141\"\u003eEquipped with \u003cstrong data-start=\"954\" data-end=\"981\"\u003eEPDM sealing components\u003c\/strong\u003e, stainless steel shaft (X20Cr13), and brass (MS58) bushings, this valve offers reliable sealing performance and corrosion resistance in demanding environments.\u003c\/p\u003e\n\u003cp data-start=\"1143\" data-end=\"1319\"\u003eWidely used in water supply networks, irrigation systems, infrastructure pipelines, and industrial applications where controlled air release and vacuum protection are critical.\u003c\/p\u003e\n\u003cp data-start=\"1143\" data-end=\"1319\"\u003e\u003cstrong\u003eTechnical Specification of Double Ball Air Release Valve\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003ctable data-start=\"1360\" data-end=\"1712\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"1360\" data-end=\"1381\"\u003e\n\u003ctr data-start=\"1360\" data-end=\"1381\"\u003e\n\u003cth data-start=\"1360\" data-end=\"1372\" data-col-size=\"sm\" class=\"\"\u003eParameter\u003c\/th\u003e\n\u003cth data-start=\"1372\" data-end=\"1381\" data-col-size=\"sm\" class=\"\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"1402\" data-end=\"1712\"\u003e\n\u003ctr data-start=\"1402\" data-end=\"1437\"\u003e\n\u003ctd data-start=\"1402\" data-end=\"1421\" data-col-size=\"sm\"\u003eNominal Diameter\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1421\" data-end=\"1437\"\u003eDN50 – DN250\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1438\" data-end=\"1478\"\u003e\n\u003ctd data-start=\"1438\" data-end=\"1456\" data-col-size=\"sm\"\u003ePressure Rating\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1456\" data-end=\"1478\"\u003ePN10 \/ PN16 \/ PN25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1479\" data-end=\"1535\"\u003e\n\u003ctd data-start=\"1479\" data-end=\"1495\" data-col-size=\"sm\"\u003eBody Material\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1495\" data-end=\"1535\"\u003eEN-GJS-400 \/ EN-GJS-500 Ductile Iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1536\" data-end=\"1572\"\u003e\n\u003ctd data-start=\"1536\" data-end=\"1545\" data-col-size=\"sm\"\u003eCovers\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1545\" data-end=\"1572\"\u003eEN-GJS-400 \/ EN-GJS-500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1573\" data-end=\"1596\"\u003e\n\u003ctd data-start=\"1573\" data-end=\"1580\" data-col-size=\"sm\"\u003eBall\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1580\" data-end=\"1596\"\u003ePolyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1597\" data-end=\"1634\"\u003e\n\u003ctd data-start=\"1597\" data-end=\"1605\" data-col-size=\"sm\"\u003eShaft\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1605\" data-end=\"1634\"\u003eStainless Steel (X20Cr13)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1635\" data-end=\"1662\"\u003e\n\u003ctd data-start=\"1635\" data-end=\"1646\" data-col-size=\"sm\"\u003eBushings\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1646\" data-end=\"1662\"\u003eBrass (MS58)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1663\" data-end=\"1679\"\u003e\n\u003ctd data-start=\"1663\" data-end=\"1671\" data-col-size=\"sm\"\u003eSeals\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1671\" data-end=\"1679\"\u003eEPDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"1680\" data-end=\"1712\"\u003e\n\u003ctd data-start=\"1680\" data-end=\"1688\" data-col-size=\"sm\"\u003eBolts\u003c\/td\u003e\n\u003ctd data-col-size=\"sm\" data-start=\"1688\" data-end=\"1712\"\u003e8.8 Galvanized Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"1143\" data-end=\"1319\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1143\" data-end=\"1319\"\u003e\u003cstrong\u003eSize Table of Air Release Valve\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDN (mm)\u003c\/th\u003e\n\u003cth\u003ePN\u003c\/th\u003e\n\u003cth\u003eL (mm)\u003c\/th\u003e\n\u003cth\u003eH (mm)\u003c\/th\u003e\n\u003cth\u003eWeight (kg)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e50\u003c\/td\u003e\n\u003ctd\u003ePN10-16-25\u003c\/td\u003e\n\u003ctd\u003e410\u003c\/td\u003e\n\u003ctd\u003e275\u003c\/td\u003e\n\u003ctd\u003e27\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e65\u003c\/td\u003e\n\u003ctd\u003ePN10-16-25\u003c\/td\u003e\n\u003ctd\u003e410\u003c\/td\u003e\n\u003ctd\u003e275\u003c\/td\u003e\n\u003ctd\u003e28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003ePN10-16-25\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e280\u003c\/td\u003e\n\u003ctd\u003e29\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003ePN10-16\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e280\u003c\/td\u003e\n\u003ctd\u003e31\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003ePN25\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e284\u003c\/td\u003e\n\u003ctd\u003e34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e125\u003c\/td\u003e\n\u003ctd\u003ePN10-16\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e280\u003c\/td\u003e\n\u003ctd\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e125\u003c\/td\u003e\n\u003ctd\u003ePN25\u003c\/td\u003e\n\u003ctd\u003e415\u003c\/td\u003e\n\u003ctd\u003e284\u003c\/td\u003e\n\u003ctd\u003e35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003ePN10-16\u003c\/td\u003e\n\u003ctd\u003e635\u003c\/td\u003e\n\u003ctd\u003e400\u003c\/td\u003e\n\u003ctd\u003e79\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e150\u003c\/td\u003e\n\u003ctd\u003ePN25\u003c\/td\u003e\n\u003ctd\u003e635\u003c\/td\u003e\n\u003ctd\u003e408\u003c\/td\u003e\n\u003ctd\u003e87\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003ePN10\u003c\/td\u003e\n\u003ctd\u003e635\u003c\/td\u003e\n\u003ctd\u003e400\u003c\/td\u003e\n\u003ctd\u003e87\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003ePN16\u003c\/td\u003e\n\u003ctd\u003e635\u003c\/td\u003e\n\u003ctd\u003e404\u003c\/td\u003e\n\u003ctd\u003e87\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd\u003ePN25\u003c\/td\u003e\n\u003ctd\u003e635\u003c\/td\u003e\n\u003ctd\u003e408\u003c\/td\u003e\n\u003ctd\u003e95\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003ePN10\u003c\/td\u003e\n\u003ctd\u003e655\u003c\/td\u003e\n\u003ctd\u003e370\u003c\/td\u003e\n\u003ctd\u003e92\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003ePN16\u003c\/td\u003e\n\u003ctd\u003e655\u003c\/td\u003e\n\u003ctd\u003e374\u003c\/td\u003e\n\u003ctd\u003e93\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250\u003c\/td\u003e\n\u003ctd\u003ePN25\u003c\/td\u003e\n\u003ctd\u003e655\u003c\/td\u003e\n\u003ctd\u003e378\u003c\/td\u003e\n\u003ctd\u003e101\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-start=\"1143\" data-end=\"1319\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"1143\" data-end=\"1319\"\u003e\u003cstrong\u003eApplication Area\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2372\" data-end=\"2681\"\u003e\u003cmeta charset=\"utf-8\"\u003eDouble Ball Air Release Valve used for water transmission lines, irrigation systems, municipal infrastructure projects, pumping stations, and industrial pipeline networks. Double ball air release valve is applied in systems requiring both high capacity air discharge and vacuum protection to prevent pipeline collapse and flow instability.\u003c\/p\u003e","brand":"Heytigo","offers":[{"title":"PN10 \/ DN50","offer_id":53373911597370,"sku":"0026HYT00PRD00065","price":395.0,"currency_code":"USD","in_stock":true},{"title":"PN10 \/ DN65","offer_id":53373911630138,"sku":"0026HYT00PRD00066","price":450.0,"currency_code":"USD","in_stock":true},{"title":"PN10 \/ DN80","offer_id":53373911662906,"sku":"0026HYT00PRD00067","price":490.0,"currency_code":"USD","in_stock":true},{"title":"PN10 \/ DN100","offer_id":53373911695674,"sku":"0026HYT00PRD00068","price":525.0,"currency_code":"USD","in_stock":true},{"title":"PN10 \/ DN125","offer_id":53373911728442,"sku":"0026HYT00PRD00069","price":595.0,"currency_code":"USD","in_stock":true},{"title":"PN10 \/ DN150","offer_id":53373911761210,"sku":"0026HYT00PRD00070","price":710.0,"currency_code":"USD","in_stock":true},{"title":"PN10 \/ DN200","offer_id":53373911793978,"sku":"0026HYT00PRD00071","price":780.0,"currency_code":"USD","in_stock":true},{"title":"PN16 \/ DN50","offer_id":53373911826746,"sku":"0026HYT00PRD00072","price":465.0,"currency_code":"USD","in_stock":true},{"title":"PN16 \/ DN65","offer_id":53373911859514,"sku":"0026HYT00PRD00073","price":530.0,"currency_code":"USD","in_stock":true},{"title":"PN16 \/ DN80","offer_id":53373911892282,"sku":"0026HYT00PRD00074","price":575.0,"currency_code":"USD","in_stock":true},{"title":"PN16 \/ DN100","offer_id":53373911925050,"sku":"0026HYT00PRD00075","price":640.0,"currency_code":"USD","in_stock":true},{"title":"PN16 \/ DN125","offer_id":53373911957818,"sku":"0026HYT00PRD00076","price":690.0,"currency_code":"USD","in_stock":true},{"title":"PN16 \/ DN150","offer_id":53373911990586,"sku":"0026HYT00PRD00077","price":785.0,"currency_code":"USD","in_stock":true},{"title":"PN16 \/ DN200","offer_id":53373912023354,"sku":"0026HYT00PRD00078","price":850.0,"currency_code":"USD","in_stock":true},{"title":"PN25 \/ DN50","offer_id":53373912056122,"sku":"0026HYT00PRD00079","price":490.0,"currency_code":"USD","in_stock":true},{"title":"PN25 \/ DN65","offer_id":53373912088890,"sku":"0026HYT00PRD00080","price":570.0,"currency_code":"USD","in_stock":true},{"title":"PN25 \/ DN80","offer_id":53373912121658,"sku":"0026HYT00PRD00081","price":665.0,"currency_code":"USD","in_stock":true},{"title":"PN25 \/ DN100","offer_id":53373912154426,"sku":"0026HYT00PRD00082","price":698.0,"currency_code":"USD","in_stock":true},{"title":"PN25 \/ DN125","offer_id":53373912187194,"sku":"0026HYT00PRD00083","price":845.0,"currency_code":"USD","in_stock":true},{"title":"PN25 \/ DN150","offer_id":53373912219962,"sku":"0026HYT00PRD00084","price":875.0,"currency_code":"USD","in_stock":true},{"title":"PN25 \/ DN200","offer_id":53373912252730,"sku":"0026HYT00PRD00085","price":950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0941\/8981\/4074\/files\/Double-ballairreleasevalve.png?v=1777323432","url":"https:\/\/heytigo.com\/products\/double-ball-air-release-valve","provider":"HEYTIGO","version":"1.0","type":"link"}