Log-InSearchContactLanguage Leader in Sealing & Flow Control Technology Menu Home / ALL FLOW PRODUCTS ALL FLOW PRODUCTS The KOENIG RESTRICTOR® and KOENIG CHECK VALVE® combine our industry-leading flow control and sealing expertise, with products that provide precise fluid control with low total costs. Using a unique, one-piece design, our flow restrictor and check valve models are available in a wide variety of sizes and pressure ratings, providing a precise orifice flow control solution. Learn more about our orifice flow restrictor and check valve models, including performance and installation information, on our About Flow Product description page. SFC KOENIG® flow restrictor and check valve products provide reliable, proven performance and easy installation for a wide range of applications. Our engineers can develop a custom design for your specific flow control needs, or use our Product Selector to identify the correct KOENIG RESTRICTOR for your specifications. All Flow Products Check Valve Restrictors Installation SERIES BF 5.5 MM FORWARD Material: Stainless Steel Cracking Pressure: 0.14 to 2.00 Max. Working Pressure in Check Direction: 280 bar Size: Ø 5.5mm > Read More SERIES BR 5.5 MM REVERSE Material: Stainless Steel Cracking Pressure: 0.14 to 2.00 Max. Working Pressure in Check Direction: 280 bar Size: Ø 5.5mm > Read More SERIES BF 8.0 MM FORWARD Material: Stainless Steel Cracking Pressure: 0.14 to 1.00 Max. Working Pressure in Check Direction: 280 bar Size: Ø 8.0mm > Read More SERIES BR 8.0 MM REVERSE Material: Stainless Steel Cracking Pressure: 0.14 to 1.00 Max. Working Pressure in Check Direction: 280 bar Size: Ø 8.0mm > Read More SERIES RE RESTRICTORS Material: Stainless Steel Max. Working Pressure in Check Direction: 210 bar Size: From Ø 4.0 to 10.0 mm > Read More EXPRESS 3000 Hydropneumatic table press For the installation of Series MB, CV and LP from . 3 - 10mm (.093" - .375"inch), BF and BR 5.5 and 8mm, and Series RE from . 4 - 10mm. > Read More SETTING TOOLS SERIES BF AND BR Recommended for: Express 3000 > Read More SETTING TOOLS SERIES RE Recommended for: Express 3000, Express 5000 > Read More CONTACT US SELECT BRANCH TO CONTACT NORTH AND SOUTH AMERICA SWITZERLAND GERMANY CHINA == OR CHOOSE A COUNTRY OR A REGION == ALBANIA ALGERIA AMERICAN SAMOA ANDORRA ANGOLA ANTIGUA AND BARBUDA ARGENTINA ARMENIA AUSTRALIA AUSTRIA AZERBAIJAN BAHAMAS BAHRAIN BANGLADESH BARBADOS BELGIUM BELIZE BENIN BERMUDA BHUTAN BOLIVIA BOSNIA AND HERZEGOVINA BOTSWANA BRAZIL BRUNEI BULGARIA BURKINA FASO BURUNDI CAMBODIA CAMEROON CANADA CAPE VERDE CAYMAN ISLANDS CHAD CHILE CHINA COLOMBIA COMOROS COSTA RICA CROATIA CURAÇAO CZECH REPUBLIC DENMARK DJIBOUTI DOMINICA DOMINICAN REPUBLIC EAST TIMOR ECUADOR EGYPT EL SALVADOR EQUATORIAL GUINEA ESTONIA ETHIOPIA FAROE ISLANDS FIJI FINLAND FRANCE FRENCH POLYNESIA GABON GAMBIA GEORGIA GERMANY GHANA GREECE GREENLAND GRENADA GUAM GUATEMALA GUINEA GUINEA-BISSAU GUYANA HONDURAS HONG KONG HUNGARY ICELAND INDIA INDONESIA IRELAND ISRAEL ITALY JAMAICA JAPAN JORDAN KAZAKHSTAN KENYA KIRIBATI KOSOVO KUWAIT KYRGYZSTAN LAOS LATVIA LESOTHO LIECHTENSTEIN LITHUANIA LUXEMBOURG MACEDONIA MADAGASCAR MALAWI MALAYSIA MALDIVES MALI MALTA MARSHALL ISLANDS MAURITANIA MAURITIUS MEXICO MICRONESIA MOLDOVA MONACO MONGOLIA MONTENEGRO MOROCCO MOZAMBIQUE NAMIBIA NAURU NEPAL NETHERLANDS NEW ZEALAND NICARAGUA NIGER NIGERIA NORTHERN MARIANA ISLANDS NORWAY OMAN PAKISTAN PALAU PALESTINE, STATE OF PANAMA PAPUA NEW GUINEA PARAGUAY PERU PHILIPPINES POLAND PORTUGAL PUERTO RICO QATAR ROMANIA RWANDA SAINT KITTS AND NEVIS SAINT LUCIA SAINT MARTIN SAINT VINCENT AND THE GRENADINES SAMOA SAN MARINO SAO TOME AND PRINCIPE SAUDI ARABIA SENEGAL SERBIA SEYCHELLES SIERRA LEONE SINGAPORE SINT MAARTEN SLOVAKIA SLOVENIA SOLOMON ISLANDS SOUTH AFRICA SOUTH KOREA SPAIN SURINAME SWAZILAND SWEDEN SWITZERLAND TAIWAN TAJIKISTAN TANZANIA THAILAND TOGO TONGA TRINIDAD AND TOBAGO TUNISIA TURKEY TURKMENISTAN TUVALU UGANDA UNITED ARAB EMIRATES UNITED KINGDOM UNITED STATES URUGUAY UZBEKISTAN VANUATU VATICAN CITY VIRGIN ISLANDS, BRITISH VIRGIN ISLANDS, U.S. ZAMBIA Customized for Your Application Since 1927 SFC KOENIG has provided unrivaled solutions that surpass performance and reliability expectations. 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SELECT YOUR COUNTY OR REGION UNITED STATES CANADA (NOT AVAILABLE) ALBANIA (NOT AVAILABLE) ALGERIA (NOT AVAILABLE) AMERICAN SAMOA (NOT AVAILABLE) ANDORRA (NOT AVAILABLE) ANGOLA (NOT AVAILABLE) ANTIGUA AND BARBUDA (NOT AVAILABLE) ARGENTINA (NOT AVAILABLE) ARMENIA (NOT AVAILABLE) AUSTRALIA (NOT AVAILABLE) AUSTRIA (NOT AVAILABLE) AZERBAIJAN (NOT AVAILABLE) BAHAMAS (NOT AVAILABLE) BAHRAIN (NOT AVAILABLE) BANGLADESH (NOT AVAILABLE) BARBADOS (NOT AVAILABLE) BELGIUM (NOT AVAILABLE) BELIZE (NOT AVAILABLE) BENIN (NOT AVAILABLE) BERMUDA (NOT AVAILABLE) BHUTAN (NOT AVAILABLE) BOLIVIA (NOT AVAILABLE) BOSNIA AND HERZEGOVINA (NOT AVAILABLE) BOTSWANA (NOT AVAILABLE) BRAZIL (NOT AVAILABLE) BRUNEI (NOT AVAILABLE) BULGARIA (NOT AVAILABLE) BURKINA FASO (NOT AVAILABLE) BURUNDI (NOT AVAILABLE) CAMBODIA (NOT AVAILABLE) CAMEROON (NOT AVAILABLE) CAPE VERDE (NOT AVAILABLE) CAYMAN ISLANDS (NOT AVAILABLE) CHAD (NOT AVAILABLE) CHILE (NOT AVAILABLE) CHINA (NOT AVAILABLE) COLOMBIA (NOT AVAILABLE) COMOROS (NOT AVAILABLE) COSTA RICA (NOT AVAILABLE) CROATIA (NOT AVAILABLE) CURAÇAO (NOT AVAILABLE) CZECH REPUBLIC (NOT AVAILABLE) DENMARK (NOT AVAILABLE) DJIBOUTI (NOT AVAILABLE) DOMINICA (NOT AVAILABLE) DOMINICAN REPUBLIC (NOT AVAILABLE) EAST TIMOR (NOT AVAILABLE) ECUADOR (NOT AVAILABLE) EGYPT (NOT AVAILABLE) EL SALVADOR (NOT AVAILABLE) EQUATORIAL GUINEA (NOT AVAILABLE) ESTONIA (NOT AVAILABLE) ETHIOPIA (NOT AVAILABLE) FAROE ISLANDS (NOT AVAILABLE) FIJI (NOT AVAILABLE) FINLAND (NOT AVAILABLE) FRANCE (NOT AVAILABLE) FRENCH POLYNESIA (NOT AVAILABLE) GABON (NOT AVAILABLE) GAMBIA (NOT AVAILABLE) GEORGIA (NOT AVAILABLE) GERMANY (NOT AVAILABLE) GHANA (NOT AVAILABLE) GREECE (NOT AVAILABLE) GREENLAND (NOT AVAILABLE) GRENADA (NOT AVAILABLE) GUAM (NOT AVAILABLE) GUATEMALA (NOT AVAILABLE) GUINEA (NOT AVAILABLE) GUINEA-BISSAU (NOT AVAILABLE) GUYANA (NOT AVAILABLE) HONDURAS (NOT AVAILABLE) HONG KONG (NOT AVAILABLE) HUNGARY (NOT AVAILABLE) ICELAND (NOT AVAILABLE) INDIA (NOT AVAILABLE) INDONESIA (NOT AVAILABLE) IRELAND (NOT AVAILABLE) ISRAEL (NOT AVAILABLE) ITALY (NOT AVAILABLE) JAMAICA (NOT AVAILABLE) JAPAN (NOT AVAILABLE) JORDAN (NOT AVAILABLE) KAZAKHSTAN (NOT AVAILABLE) KENYA (NOT AVAILABLE) KIRIBATI (NOT AVAILABLE) KOSOVO (NOT AVAILABLE) KUWAIT (NOT AVAILABLE) KYRGYZSTAN (NOT AVAILABLE) LAOS (NOT AVAILABLE) LATVIA (NOT AVAILABLE) LESOTHO (NOT AVAILABLE) LIECHTENSTEIN (NOT AVAILABLE) LITHUANIA (NOT AVAILABLE) LUXEMBOURG (NOT AVAILABLE) MACEDONIA (NOT AVAILABLE) MADAGASCAR (NOT AVAILABLE) MALAWI (NOT AVAILABLE) MALAYSIA (NOT AVAILABLE) MALDIVES (NOT AVAILABLE) MALI (NOT AVAILABLE) MALTA (NOT AVAILABLE) MARSHALL ISLANDS (NOT AVAILABLE) MAURITANIA (NOT AVAILABLE) MAURITIUS (NOT AVAILABLE) MEXICO (NOT AVAILABLE) MICRONESIA (NOT AVAILABLE) MOLDOVA (NOT AVAILABLE) MONACO (NOT AVAILABLE) MONGOLIA (NOT AVAILABLE) MONTENEGRO (NOT AVAILABLE) MOROCCO (NOT AVAILABLE) MOZAMBIQUE (NOT AVAILABLE) NAMIBIA (NOT AVAILABLE) NAURU (NOT AVAILABLE) NEPAL (NOT AVAILABLE) NETHERLANDS (NOT AVAILABLE) NEW ZEALAND (NOT AVAILABLE) NICARAGUA (NOT AVAILABLE) NIGER (NOT AVAILABLE) NIGERIA (NOT AVAILABLE) NORTHERN MARIANA ISLANDS (NOT AVAILABLE) NORWAY (NOT AVAILABLE) OMAN (NOT AVAILABLE) PAKISTAN (NOT AVAILABLE) PALAU (NOT AVAILABLE) PALESTINE, STATE OF (NOT AVAILABLE) PANAMA (NOT AVAILABLE) PAPUA NEW GUINEA (NOT AVAILABLE) PARAGUAY (NOT AVAILABLE) PERU (NOT AVAILABLE) PHILIPPINES (NOT AVAILABLE) POLAND (NOT AVAILABLE) PORTUGAL (NOT AVAILABLE) PUERTO RICO (NOT AVAILABLE) QATAR (NOT AVAILABLE) ROMANIA (NOT AVAILABLE) RWANDA (NOT AVAILABLE) SAINT KITTS AND NEVIS (NOT AVAILABLE) SAINT LUCIA (NOT AVAILABLE) SAINT MARTIN (NOT AVAILABLE) SAINT VINCENT AND THE GRENADINES (NOT AVAILABLE) SAMOA (NOT AVAILABLE) SAN MARINO (NOT AVAILABLE) SAO TOME AND PRINCIPE (NOT AVAILABLE) SAUDI ARABIA (NOT AVAILABLE) SENEGAL (NOT AVAILABLE) SERBIA (NOT AVAILABLE) SEYCHELLES (NOT AVAILABLE) SIERRA LEONE (NOT AVAILABLE) SINGAPORE (NOT AVAILABLE) SINT MAARTEN (NOT AVAILABLE) SLOVAKIA (NOT AVAILABLE) SLOVENIA (NOT AVAILABLE) SOLOMON ISLANDS (NOT AVAILABLE) SOUTH AFRICA (NOT AVAILABLE) SOUTH KOREA (NOT AVAILABLE) SPAIN (NOT AVAILABLE) SURINAME (NOT AVAILABLE) SWAZILAND (NOT AVAILABLE) SWEDEN (NOT AVAILABLE) SWITZERLAND (NOT AVAILABLE) TAIWAN (NOT AVAILABLE) TAJIKISTAN (NOT AVAILABLE) TANZANIA (NOT AVAILABLE) THAILAND (NOT AVAILABLE) TOGO (NOT AVAILABLE) TONGA (NOT AVAILABLE) TRINIDAD AND TOBAGO (NOT AVAILABLE) TUNISIA (NOT AVAILABLE) TURKEY (NOT AVAILABLE) TURKMENISTAN (NOT AVAILABLE) TUVALU (NOT AVAILABLE) UGANDA (NOT AVAILABLE) UNITED ARAB EMIRATES (NOT AVAILABLE) UNITED KINGDOM (NOT AVAILABLE) URUGUAY (NOT AVAILABLE) UZBEKISTAN (NOT AVAILABLE) VANUATU (NOT AVAILABLE) VATICAN CITY (NOT AVAILABLE) VIRGIN ISLANDS, BRITISH (NOT AVAILABLE) VIRGIN ISLANDS, U.S. (NOT AVAILABLE) ZAMBIA 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. 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