{"product_id":"hfl-50","title":"Vacuum Sealing Assembly for Single End 50mm dia. Tube with Vacuum Meter\/Valve - HFL-50","description":"This is a smart sealing assembly for one end of OD 2\" diameter tube without any welding and gluing, and specially designed for one end closed quartz tube for induction heater. SPECIFICATIONS Package included One flange with gauge and valve, one steel sealing rings, two high-temperature silicone O-rings (300 o C Max., and six screws) Flange Assembling Vacuum Level 10E-5 torr by molecular pump and 10E-2 torr by mechanical pump Features Made of Stainless Steel with double high-temperature silicon O-rings on each flange. The end has a vacuum meter with valve. Seal tube by tightening screws on the flange without any welding and glue. 1\/4\" hose connector at the end. 1\/4\" in diameter vacuum sealing assembly will connect with 1\/4\" rubber hose. Excellent for any type of tubing: ceramic, glass, quartz and steel pipe. The assembly kit will seal one end of 50-52 mm diameter ceramic and quartz tube. Warning A refractory tube block must be placed in front of the flange to avoid heat radiation melting the silicone O-ring. Customers may order a ceramic block from related products below. Please do not over tighten the three hex screws on the flanges to avoid overpressure incidents. The recommended torque is 35~40 inch-lbs. For liability considerations, MTI does not recommend or endorse the use of any toxic, flammable or corrosive gases with our flange assemblies. Please contact us with any concerns. Optional Accessories Click here to choose flange for tube from 42mm to 11\" Vacuum Pump \u0026amp; High Vacuum Station\u003cbr\u003e\u003cbr\u003e\u003ctable style=\"width: 100%; height: 504.624px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 23.25px;\"\u003e\n\u003ctd style=\"width: 11.4438%; height: 23.25px;\"\u003ePackage included\u003c\/td\u003e\n\u003ctd style=\"width: 86.9101%; height: 23.25px;\"\u003eOne flange with gauge and valve, one steel sealing rings, two high-temperature silicone O-rings (300\u003csup\u003eo\u003c\/sup\u003eC Max., and six screws)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 58.7812px;\"\u003e\n\u003ctd style=\"width: 11.4438%; height: 58.7812px;\"\u003e\n\u003cbr\u003eFlange Assembling\u003c\/td\u003e\n\u003ctd style=\"width: 86.9101%; height: 58.7812px;\"\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/kit_flange_07274e56-6477-458f-af89-7b2309eb93f6.jpg?v=1742582919\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/kit_flange_07274e56-6477-458f-af89-7b2309eb93f6_100x100.jpg?v=1742582919\" style=\"margin-bottom: 16px; float: none;\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 11.4438%; height: 19.5938px;\"\u003eVacuum Level\u003c\/td\u003e\n\u003ctd style=\"width: 86.9101%; height: 19.5938px;\"\u003e10E-5 torr by \u003cstrong\u003e\u003ca href=\"https:\/\/mtixtl.com\/search?q=high-vacuum-station\u0026amp;options%5Bprefix%5D=last\" target=\"_blank\"\u003emolecular pump \u003c\/a\u003e\u003ca href=\"http:\/\/mti-kjgroup.com\/high-vacuum-station.aspx\"\u003e\u003c\/a\u003e\u003c\/strong\u003eand 10E-2 torr\u003ca href=\"https:\/\/mtixtl.com\/search?q=mechanical+pump\u0026amp;options%5Bprefix%5D=last\" target=\"_blank\"\u003e\u003cstrong\u003e by mechanical pump\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 165.156px;\"\u003e\n\u003ctd style=\"width: 11.4438%; height: 165.156px;\"\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eFeatures\u003c\/td\u003e\n\u003ctd style=\"width: 86.9101%; height: 165.156px;\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003cul\u003e\n\u003cli\u003eMade of Stainless Steel with double high-temperature silicon O-rings on each flange.\u003c\/li\u003e\n\u003cli\u003eThe end has a vacuum meter with valve.\u003c\/li\u003e\n\u003cli\u003eSeal tube by tightening screws on the flange without any welding and glue.\u003c\/li\u003e\n\u003cli\u003e1\/4\" hose connector at the end.\u003c\/li\u003e\n\u003cli\u003e1\/4\" in diameter vacuum sealing assembly will connect with 1\/4\" rubber hose.\u003c\/li\u003e\n\u003cli\u003eExcellent for any type of tubing: ceramic, glass, quartz and steel pipe.\u003c\/li\u003e\n\u003cli\u003eThe assembly kit will seal one end of 50-52 mm diameter ceramic and quartz tube.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 145.562px;\"\u003e\n\u003ctd style=\"width: 11.4438%; height: 145.562px;\"\u003e\n\u003cbr\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eWarning\u003c\/span\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 86.9101%; height: 145.562px;\"\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eA refractory tube block must be placed in front of the flange to avoid heat radiation melting the silicone O-ring. Customers may order a ceramic block from related products below.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003ePlease do not over tighten the three hex screws on the flanges to avoid overpressure incidents. The recommended torque is 35~40 inch-lbs.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eFor liability considerations, MTI does not recommend or endorse the use of any toxic, flammable or corrosive gases with our flange assemblies. Please contact us with any concerns.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 92.2812px;\"\u003e\n\u003ctd style=\"width: 11.4438%; height: 92.2812px;\"\u003eOptional Accessories\u003c\/td\u003e\n\u003ctd style=\"width: 86.9101%; height: 92.2812px;\"\u003e\n\u003cspan color=\"#ff0000\"\u003e\u003ca href=\"https:\/\/mtixtl.com\/collections\/flanges\" rel=\"noopener\" target=\"_blank\"\u003eClick here to choose flange for tube from 42mm to 11\"   \u003c\/a\u003e                        \u003ca href=\"https:\/\/mtixtl.com\/search?q=Vacuum+pump+and+high+vacuum+station\u0026amp;options%5Bprefix%5D=last\" rel=\"noopener\" target=\"_blank\"\u003e  Vacuum Pump \u0026amp; High Vacuum Station\u003c\/a\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003cdiv\u003e                         \u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/mtixtl.com\/collections\/flanges\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt='Stainless Steel Sealing Flange Assembly for 1\"-11\" Processing Tubes' src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/part3_100x100.jpg\"\u003e\u003c\/a\u003e\u003cspan\u003e                                                                                   \u003c\/span\u003e\u003ca href=\"https:\/\/mtixtl.com\/search?q=Vacuum+pump+and+high+vacuum+station\u0026amp;options%5Bprefix%5D=last\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"Vacuum pump and high vacuum station\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/PfeifferVacuumPump_100x100.jpg?v=1706240136\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"MTI","offers":[{"title":"Default Title","offer_id":44985082314891,"sku":"FL50L","price":0.0,"currency_code":"MYR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/4405\/3643\/files\/half-flange_d350a8cb-c200-4da9-b810-9888dd483b4e.jpg?v=1764854079","url":"https:\/\/mtimalaysia.com\/products\/hfl-50","provider":"MTI Malaysia \u0026 Indonesia","version":"1.0","type":"link"}