{"product_id":"fl-101kf25-ftr","title":"Right side flange with KF-25 port\u0026 1\/4\" barbed hose fitting for 4\" tube - FL-101KF25-FT(R)","description":"This is the right side of the smart sealing assembly for vacuum tube furnace to seal one end of OD 100-102 mm ( 4\") tube without any welding and gluing. SPECIFICATIONS Structure Features Seal tube by tightening screws on the flange without any welding and glue. Made of Stainless Steel ( SS304) with double high-temperature silicon O-rings on each flange. Excellent for any type of tubing: ceramic, glass, quartz and steel pipe. Vaccum level: 10-5 torr by molecular pump and 10-2 torr by mechanical pump Descriptions One end flange has a barbed needle valve,1\/4\" feedthrough for thermocouple inserted and 1\/8 NPS valve with installed Mechanical Pressure Gauge. (if you need Compact Digital Vacuum Gauge , please choose from product option at extra cost . If you don't need vacuum gauge, please instruct us when you order, we can take it off, but no price deduction ) Another end flange has a KF25 port with barbed needle valve. You may need KFD25 angle valve before connecting the vacuum port to vacuum pump. Please choose the KF25 angle valve at related product below. Seal tube by tightening screws on the flange without any welding and glue. 1\/4\" in diameter vacuum sealing assembly will connect with 1\/4\" rubber hose. Designed for MTI OTF-1200X Desktop Quartz Tube Furnace. Excellent for any type of tubing: ceramic, glass, quartz and steel pipe. Warning Must put a refractory tube block in front of the flange (see picture below) to avoid heat radiation melt silicone O-ring. You order a ceramic block in related products. 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 Click here to order other size vacuum flange. Click pic to order KF40 to KF25 adaptor if you need KF40 port\u003cbr\u003e\u003cbr\u003e\u003ctable border=\"1\" cellpadding=\"1\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cbr\u003eStructure\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/50mmflangemain.jpg\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/50mmflangemain_100x100.jpg\"\u003e\u003c\/a\u003e      \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/kai_zhuang_fa_labig.jpg\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/kai_zhuang_fa_la_100x100.jpg\"\u003e\u003c\/a\u003e        \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/50mmflangerightbig.jpg\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/50mmflangerightbig_100x100.jpg\" title=\"Click to enlarge\"\u003e\u003c\/a\u003e        \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/50flbig.jpg\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/50fl_100x100.jpg\"\u003e\u003c\/a\u003e         \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/digital_gauge.jpg\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/digital_gauge_123_100x100.jpg\"\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cbr\u003e\u003cbr\u003eFeatures\u003c\/td\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003eSeal tube by tightening screws on the flange without any welding and glue.\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eMade of Stainless Steel ( SS304) with double high-temperature silicon O-rings on each flange.\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003eExcellent for any type of tubing: ceramic, glass, quartz and steel pipe.\u003c\/li\u003e\n\u003cli\u003eVaccum level: 10-5 torr by \u003cstrong\u003e\u003ca href=\"https:\/\/mtixtl.com\/search?q=high-vacuum-station\u0026amp;options%5Bprefix%5D=last\" rel=\"noopener\" target=\"_blank\"\u003emolecular pump\u003c\/a\u003e \u003c\/strong\u003eand 10-2 torr\u003ca href=\"https:\/\/mtixtl.com\/search?q=rotary-vane--pump\u0026amp;options%5Bprefix%5D=last\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e by mechanical pump\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003eDescriptions\u003c\/td\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli\u003eOne end flange has a barbed needle valve,1\/4\" feedthrough for thermocouple inserted and 1\/8 NPS valve with installed \u003ca href=\"cvm60yz\" rel=\"noopener\" target=\"_blank\"\u003eMechanical Pressure Gauge.\u003c\/a\u003e (if you need \u003ca href=\"cvm211ld\" rel=\"noopener\" target=\"_blank\"\u003e Compact Digital Vacuum Gauge\u003c\/a\u003e , please choose from product option at extra cost . If you don't need vacuum gauge, please instruct us when you order, we can take it off, but no price deduction )\u003c\/li\u003e\n\u003cli\u003eAnother end flange has a KF25 port with barbed needle valve. You may need\u003ca href=\"kf-valve-d25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e KFD25 angle valve \u003c\/strong\u003e\u003c\/a\u003ebefore connecting the vacuum port to vacuum pump. Please choose the KF25 angle valve at related product below.\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\" in diameter vacuum sealing assembly will connect with 1\/4\" rubber hose.\u003c\/li\u003e\n\u003cli\u003eDesigned for MTI \u003ca href=\"otf1200xii\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003eOTF-1200X Desktop Quartz Tube Furnace.\u003c\/strong\u003e\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003eExcellent for any type of tubing: ceramic, glass, quartz and steel pipe.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eWarning\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(255, 42, 0);\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eMust put a refractory tube block in front of the flange (see picture below) to avoid heat radiation melt silicone O-ring. You order a ceramic block in related products.\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\u003cdiv\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/kit_flange_07274e56-6477-458f-af89-7b2309eb93f6.jpg?v=1742582919\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/kit_flange_100x100.jpg?v=1706297674\"\u003e\u003c\/a\u003e\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003ctd\u003e\n\u003ca href=\"fl-50kf25-ftd-m\" rel=\"noopener\" target=\"_blank\"\u003eClick here to order other size vacuum flange.  \u003c\/a\u003e                   \u003ca href=\"kf40ru25\" rel=\"noopener\" target=\"_blank\"\u003e Click pic to order \u003cstrong\u003eKF40 to KF25 \u003c\/strong\u003e adaptor if you need KF40 port\u003c\/a\u003e\u003ca href=\"http:\/\/www.mtixtl.com\/KF40toKF25ReducerUnionRU-KF40-25.aspx\"\u003e\u003cbr\u003e\u003c\/a\u003e\n\u003cdiv\u003e                   \u003ca href=\"fl-50kf25-ftd-m\" rel=\"noopener\" target=\"_blank\"\u003e\u003c\/a\u003e                                                                                      \u003ca href=\"kf40ru25\" rel=\"noopener\" target=\"_blank\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0638\/4664\/6008\/files\/KF4025Adapter_100x100.jpg\"\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":44985084969099,"sku":"FL101KF25R","price":0.0,"currency_code":"MYR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/4405\/3643\/files\/123456.2_bcfc34f6-bbaa-46de-9063-407c03b56342.jpg?v=1764854103","url":"https:\/\/mti-indonesia.com\/products\/fl-101kf25-ftr","provider":"MTI Malaysia \u0026 Indonesia","version":"1.0","type":"link"}