{"id":95,"date":"2019-12-13T09:57:51","date_gmt":"2019-12-13T01:57:51","guid":{"rendered":"https:\/\/www.bihec.com\/mdc-vacuum\/?p=95"},"modified":"2019-12-13T09:57:51","modified_gmt":"2019-12-13T01:57:51","slug":"%e5%a4%a7%e5%b0%ba%e5%af%b8%e6%b3%95%e5%85%b0-large-flange-iso-lf","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/mdc-vacuum\/%e5%a4%a7%e5%b0%ba%e5%af%b8%e6%b3%95%e5%85%b0-large-flange-iso-lf\/","title":{"rendered":"\u5927\u5c3a\u5bf8\u6cd5\u5170 Large-Flange&#x2122;  ISO LF"},"content":{"rendered":"<p><a href=\"https:\/\/www.bihec.com\/mdc-vacuum\/tag\/%e5%a4%a7%e5%b0%ba%e5%af%b8%e6%b3%95%e5%85%b0\/\" title=\"View all posts in \u5927\u5c3a\u5bf8\u6cd5\u5170\" target=\"_blank\">\u5927\u5c3a\u5bf8\u6cd5\u5170<\/a> Large-Flange&#x2122; ISO LF<\/p>\n<div class=\"row\">\n<div class=\"col-sm-8\">\n<p><a href=\"https:\/\/www.bihec.com\/mdc-vacuum\/tag\/mdc\/\" title=\"View all posts in MDC\" target=\"_blank\">MDC<\/a>\u2019s Large-Flange&#x2122; ISO LF components are an economical system of reusable and interfacing stainless steel <a href=\"https:\/\/www.bihec.com\/mdc-vacuum\/tag\/vacuum\/\" title=\"View all posts in vacuum\" target=\"_blank\">vacuum<\/a> fittings for tube sizes ranging from 2-1\/2&#8243; through 20&#8243; diameters. Large-Flange&#x2122; ISO LF flanges pick up where the Kwik-Flange&#x2122; ISO KF system leaves off. These flanges can operate in high vacuum environments to pressures in the 1&#215;10-8 Torr range. The Large-Flange&#x2122; ISO LF flange system is ideally suited for applications requiring rapid and frequent assembly and disassembly. MDC ISO LF flanges comply with all ISO specifications for vacuum mounting hardware and are compatible with most third party ISO LF flanges and components.<\/p>\n<\/div>\n<div class=\"col-sm-4\"><img decoding=\"async\" class=\"MainLgBodyCopy-img\" src=\"https:\/\/www.mdcvacuum.com\/graphics\/mdc\/img1511.jpg\" alt=\"Large-Flange ISO LF flange assembly\" \/><br \/>\n<strong>Large-Flange<sup>TM<\/sup>\u00a0ISO LF flange assembly<\/strong><\/div>\n<\/div>\n<hr \/>\n<div class=\"row\">\n<div class=\"col-sm-6\">\n<table class=\"MainBodyCopy\" width=\"100%\">\n<tbody>\n<tr>\n<td><strong>Features<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\n<ul>\n<li>Bakeable to 150\u00b0C<\/li>\n<li>Fast connect and disconnect<\/li>\n<li>Economical reusable fittings<\/li>\n<li>Genderless geometry<\/li>\n<li>Rotatable bolt ring adapter<\/li>\n<li>Elastomer gasket seal<\/li>\n<li>Varied fastening methods<\/li>\n<li>ISO KF and LF compatible<\/li>\n<li>Specialty fittings available<\/li>\n<li>Type 304 stainless steel construction<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"col-sm-6\">\n<table class=\"MainBodyCopy\" border=\"1\" width=\"100%\">\n<tbody>\n<tr>\n<td colspan=\"2\"><strong>Specifications<\/strong><\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Material<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Flanges<\/td>\n<td>304ss<\/td>\n<\/tr>\n<tr>\n<td>Rotatable Bolt Ring<\/td>\n<td>Aluminum<\/td>\n<\/tr>\n<tr>\n<td>O-rings<\/td>\n<td>Viton\u00ae or Buna-N\u00ae elastomer<\/td>\n<\/tr>\n<tr>\n<td>Claw Clamps<\/td>\n<td>Aluminum<\/td>\n<\/tr>\n<tr>\n<td>Band clamps<\/td>\n<td>431ss, heat treated<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\"><strong>Fastening<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Claw Clamp<\/td>\n<td>M8-1.25\u00a0thread, 3-4 required<br \/>\nM10-1.50 thread, 6-12 required<br \/>\nM12-1.75 thread, 8-16 required<\/td>\n<\/tr>\n<tr>\n<td>Band clamp<\/td>\n<td>.250-28 thread<\/td>\n<\/tr>\n<tr>\n<td>Bolt Type<\/td>\n<td>Hexagonal head, M8-1.25 thread<\/td>\n<\/tr>\n<tr>\n<td>Nut Type<\/td>\n<td>Hexagonal<\/td>\n<\/tr>\n<tr>\n<td>Torque<\/td>\n<td>Band clamps: Finger tight<br \/>\nBolts: 7-10 lb-ft<\/td>\n<\/tr>\n<tr>\n<td><strong>Vacuum Range<\/strong><\/td>\n<td>1&#215;10-8 Torr<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"MainBodyCopy\" border=\"1\" width=\"100%\">\n<tbody>\n<tr>\n<td><strong>Temp.Range<\/strong><\/td>\n<td>Minimum<\/td>\n<td>Intermittent<\/td>\n<td>Sustained<\/td>\n<\/tr>\n<tr>\n<td>Viton\u00ae<\/td>\n<td>-20\u00b0C<\/td>\n<td>200\u00b0C<\/td>\n<td>150\u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Buna-N\u00ae<\/td>\n<td>-20\u00b0C<\/td>\n<td>100\u00b0C<\/td>\n<td>80\u00b0C<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"MainBodyCopy\" border=\"1\" width=\"100%\">\n<tbody>\n<tr>\n<td><strong>Weight\u00a0<\/strong><\/td>\n<td>3 lb maximum<\/td>\n<\/tr>\n<tr>\n<td><strong>Dimensions<\/strong><\/td>\n<td>Clamp style: 3.74 OD x 2.37 ID maximum<br \/>\nBolt style: 5.12 OD x 2.37 ID maximum<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr \/>\n<div class=\"row\">\n<div class=\"col-sm-6\">\n<p>The MDC Large-Flange&#x2122; ISO LF family of modular building-block components includes all of the commonly used standard hardware and fittings. Virtually all standard MDC feedthroughs and accessories are available for use with Large-Flange&#x2122; ISO LF flanges. Reducer flanges are available to connect different size ISO components. This section includes ISO KF and ISO LF reducer flanges for KF to KF, KF to LF and LF to LF flange Large-Flange&#x2122; ISO LF flange combinations. Hybrid adapters are available to connect ISO LF components to non ISO vacuum fittings and mounts. Some of these include Del-Seal&#x2122; <a href=\"https:\/\/www.bihec.com\/mdc-vacuum\/tag\/cf\/\" title=\"View all posts in CF\" target=\"_blank\">CF<\/a> metal seal flanges, ANSI ASA flanges, Swagelok\u00ae compression tube fittings and VCR\u00ae metal gasket tube fittings and national pipe thread fittings. For more details and information on hybrid adapters please reference Section 1.5 in this catalog.<\/p>\n<p>MDC Large-Flange&#x2122; ISO LF flanges are available in nine standard maximum tube sizes including 2-1\/2&#8243;, 3&#8243;, 4&#8243;, 6&#8243;, 8&#8243;, 10&#8243;, 12-3\/4&#8243;, 16&#8243; and 20&#8243; diameters. Each of these basic flanges are also offered in blanked formats which are suitable for custom modification or to blank-off unused chamber ports. Typically, U.S. tube sizes are specified in inches and identified by their outside diameters. MDC standard ISO LF flange size designations are as follows&#8230;<br \/>\nL250 for 2.50&#8243;, L300 for 3.00&#8243;, L400 for 4.00&#8243;, L600 for 6.00&#8243;, L800 for 8.00&#8243;, L1000 for 10.0&#8243;, L1200 for 12.75&#8243;, L1600 for 16.0&#8243; and L2000 for 20.0&#8243; tube diameters.<\/p>\n<p>In general, MDC components compare with international components using an inch-to millimeter ratio. U.S. sizes refer to a tube\u2019s outside diameter, whereas international sizes refer to a tube\u2019s inside diameter. The chart on the right side gives a quick comparison between inch and metric ISO flange sizes.<\/p>\n<\/div>\n<div class=\"col-sm-6\">\n<table class=\"MainBodyCopy\" border=\"1\" width=\"100%\">\n<tbody>\n<tr>\n<td>For product listing, features and specifications click on links below<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW63 Flange Assembly<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW63 Flange<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW80\u00a0 Flange Assembly<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW80 Flange<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW100 Flange Assembly<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW100 Flange<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW160 Flange Assembly<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW160 Flange<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW200 Flange Assembly<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW200 Flange<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW250 Flange Assembly<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW250 Flange<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW320 Flange Assembly<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW320 Flange<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW400 Flange Assembly<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW400 Flange<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW500 Flange Assembly<\/td>\n<\/tr>\n<tr>\n<td>\u00a0NW500 Flange<\/td>\n<\/tr>\n<tr>\n<td>These flanges provide a vacuum mount interface for tube diameters from 2.50 inches.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<table class=\"MainBodyCopy\" border=\"1\" width=\"100%\">\n<tbody>\n<tr>\n<td colspan=\"5\" valign=\"bottom\"><strong>Inch-Metric ISO Comparision<\/strong><\/td>\n<\/tr>\n<tr>\n<td valign=\"bottom\"><strong>MDC<\/strong><\/td>\n<td valign=\"bottom\">O.D Inches<\/td>\n<td valign=\"bottom\"><strong>ISO<\/strong><\/td>\n<td valign=\"bottom\">I.D. mm<\/td>\n<td valign=\"bottom\">Inches<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\"><strong>Kwik-Flange&#x2122; ISO KF<\/strong><\/td>\n<\/tr>\n<tr>\n<td>K075<\/td>\n<td>0.75<\/td>\n<td>NW16<\/td>\n<td>16<\/td>\n<td>0.63<\/td>\n<\/tr>\n<tr>\n<td>K100<\/td>\n<td>1.00<\/td>\n<td>NW25<\/td>\n<td>25<\/td>\n<td>0.98<\/td>\n<\/tr>\n<tr>\n<td>K150<\/td>\n<td>1.50<\/td>\n<td>NW40<\/td>\n<td>40<\/td>\n<td>1.57<\/td>\n<\/tr>\n<tr>\n<td>K200<\/td>\n<td>2.00<\/td>\n<td>NW50<\/td>\n<td>50<\/td>\n<td>1.97<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\"><a href=\"http:\/\/mdcvacuum.com\/\/Catalog\/US\/Kwik-Flange-ISO-KF-Introduction\/Introduction\">\u00a0<\/a><\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\"><strong>Large-Flange&#x2122; ISO LF\u00a0<\/strong><\/td>\n<\/tr>\n<tr>\n<td>L250<\/td>\n<td>2.50<\/td>\n<td>NW63<\/td>\n<td>63<\/td>\n<td>2.48<\/td>\n<\/tr>\n<tr>\n<td>L300<\/td>\n<td>3.00<\/td>\n<td>NW80<\/td>\n<td>80<\/td>\n<td>3.15<\/td>\n<\/tr>\n<tr>\n<td>L400<\/td>\n<td>4.00<\/td>\n<td>NW100<\/td>\n<td>100<\/td>\n<td>3.94<\/td>\n<\/tr>\n<tr>\n<td>L600<\/td>\n<td>6.00<\/td>\n<td>NW160<\/td>\n<td>160<\/td>\n<td>6.30<\/td>\n<\/tr>\n<tr>\n<td>L800<\/td>\n<td>8.00<\/td>\n<td>NW200<\/td>\n<td>200<\/td>\n<td>7.87<\/td>\n<\/tr>\n<tr>\n<td>L1000<\/td>\n<td>10.00<\/td>\n<td>NW250<\/td>\n<td>250<\/td>\n<td>9.84<\/td>\n<\/tr>\n<tr>\n<td>L1200<\/td>\n<td>12.75<\/td>\n<td>NW320<\/td>\n<td>320<\/td>\n<td>12.60<\/td>\n<\/tr>\n<tr>\n<td>L1600<\/td>\n<td>16.00<\/td>\n<td>NW400<\/td>\n<td>400<\/td>\n<td>15.75<\/td>\n<\/tr>\n<tr>\n<td>L2000<\/td>\n<td>20.00<\/td>\n<td>NW500<\/td>\n<td>500<\/td>\n<td>19.69<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<br><div class=\"tagcloud\"><a href=\"https:\/\/www.bihec.com\/mdc-vacuum\/tag\/mdc\/\" class=\"tag-cloud-link tag-link-0 tag-link-position-1\" style=\"font-size: 22pt;\" aria-label=\"MDC (135\u4e2a\u9879\u76ee)\">MDC<\/a>\n<a href=\"https:\/\/www.bihec.com\/mdc-vacuum\/tag\/mdcvacuum\/\" class=\"tag-cloud-link tag-link-1 tag-link-position-2\" style=\"font-size: 19.781420765027pt;\" aria-label=\"mdcvacuum (68\u4e2a\u9879\u76ee)\">mdcvacuum<\/a>\n<a href=\"https:\/\/www.bihec.com\/mdc-vacuum\/tag\/%e5%a4%a7%e5%b0%ba%e5%af%b8%e6%b3%95%e5%85%b0\/\" class=\"tag-cloud-link tag-link-2 tag-link-position-3\" style=\"font-size: 8pt;\" aria-label=\"\u5927\u5c3a\u5bf8\u6cd5\u5170 (1\u4e2a\u9879\u76ee)\">\u5927\u5c3a\u5bf8\u6cd5\u5170<\/a>\n<a href=\"https:\/\/www.bihec.com\/mdc-vacuum\/tag\/%e7%9c%9f%e7%a9%ba\/\" class=\"tag-cloud-link tag-link-3 tag-link-position-4\" style=\"font-size: 18.55737704918pt;\" aria-label=\"\u771f\u7a7a (47\u4e2a\u9879\u76ee)\">\u771f\u7a7a<\/a>\n<a href=\"https:\/\/www.bihec.com\/mdc-vacuum\/tag\/%e7%9c%9f%e7%a9%ba%e6%b3%95%e5%85%b0\/\" class=\"tag-cloud-link tag-link-4 tag-link-position-5\" style=\"font-size: 17.256830601093pt;\" aria-label=\"\u771f\u7a7a\u6cd5\u5170 (31\u4e2a\u9879\u76ee)\">\u771f\u7a7a\u6cd5\u5170<\/a>\n<a href=\"https:\/\/www.bihec.com\/mdc-vacuum\/tag\/%e8%b6%85%e9%ab%98%e7%9c%9f%e7%a9%ba\/\" class=\"tag-cloud-link tag-link-5 tag-link-position-6\" style=\"font-size: 18.174863387978pt;\" aria-label=\"\u8d85\u9ad8\u771f\u7a7a (42\u4e2a\u9879\u76ee)\">\u8d85\u9ad8\u771f\u7a7a<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>\u5927\u5c3a\u5bf8\u6cd5\u5170 Large-Flange&#x2122; ISO LF MDC\u2019s Large-Flange&#x2122; ISO LF components are an econ <\/p>\n","protected":false},"author":19,"featured_media":96,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[5],"tags":[48,51,63,56,53,55],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5927\u5c3a\u5bf8\u6cd5\u5170 Large-Flange&#x2122; ISO LF - MDC \u771f\u7a7a\/\u9ad8\u771f\u7a7a\/\u8d85\u9ad8\u771f\u7a7a\u7cfb\u5217\u4ea7\u54c1 \u771f\u7a7a\u8154 \u771f\u7a7a\u4f20\u901a\u4ef6 \u771f\u7a7a\u6cf5 \u6cd5\u5170 \u6cd5\u5170\u5bc6\u5c01\u5708<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bihec.com\/mdc-vacuum\/\u5927\u5c3a\u5bf8\u6cd5\u5170-large-flange-iso-lf\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5927\u5c3a\u5bf8\u6cd5\u5170 Large-Flange&#x2122; 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