Log-InSearchContactLanguage Leader in Sealing & Flow Control Technology Menu <1 PPM = Unmatched Performance Learn About Our Quality & Compliance < > Your browser does not support HTML5 video. ENGINEERED SEALING SOLUTIONS KOENIG EXPANDER® plugs seal drilled holes with best-in-class reliability. Push-type up to 450 bar (6500 psi) Pull-type up to 500 bar (7200 psi) Sizes 3-22mm (0.093-0.875") No sealant needed Even stress on bore walls No installation contamination or debris > Learn about metal-to-metal sealing PRECISION FLOW CONTROL KOENIG RESTRICTORS® provide precise flow control in fluid systems. Pressures up to 200 bar (3000 psi) Sizes 4-10mm (0.093-0.875") Expander and threaded styles Precision KOENIG CHECK VALVE® parts: Forward and reverse-flow Pressures up to 280 bar (4352 psi) > Learn about flow control solutions FIND YOUR PART Use our Product Selector to quickly identify the best expander plug and flow restrictor component based on key specifications. GLOBAL LEADERSHIP IN SEALING & FLOW CONTROL The original inventor of the one-piece sealing solution, SFC KOENIG has led the industry in quality, reliability and performance since 1927. Engineering expertise and design-in support. Certified quality management systems: ISO 9001:2015, ISO 14001:2018 & IATF 16949:2016 HOME PULL-TYPE EXPANDER PLUGS FLOW RESTRICTORS ENGINEERING INDUSTRIES REQUEST QUOTE ABOUT PUSH-TYPE EXPANDER PLUGS CHECK VALVES ARTICLES LOCATIONS © 2021 SFC KOENIG AGImprintTerms & ConditionsPrivacy PolicySitemap HEADQUARTERS SFC KOENIG AG Lagerstrasse 8 8953 Dietikon, Switzerland Phone +41 44 743 46 00 sfc-info-ch@idexcorp.com EUROPE SFC KOENIG GmbH Max-Eyth-Strasse 14 89186 Illerrieden, Germany Phone +49 7306 2062 300 sfc-info-de@idexcorp.com AMERICAS SFC KOENIG LLC 73 Defco Park Road North Haven, CT 06473, USA Phone +1 203 245 1100 sfc-info-us@idexcorp.com ASIA SFC KOENIG Flow Control (Suzhou) Co., Ltd. No.51 TangBang Road, CaoHu Boulevard Xiang Cheng District, Suzhou, China. 215131 Phone +86 512 6585 9515 sfc-info-cn@idexcorp.com In order to manage your session this site uses cookies (technology that remembers your use of the website by placing tracking tools on your device). SFC KOENIG uses cookies to store or access information on your device to help us understand and monitor how visitors move around the website. For more information, or to amend your preferences, click the “Manage My Preferences” button. Do you accept these cookies and the processing of your personal data involved? Yes, I accept No, I do not accept Manage my Preferences