CIR-LOK

hot products / CIR-LOK products: strict quality checks for order, design, manufacture, testing & certification to meet key needs.

Tube Fittings-Bulkhead Union

CIR-LOK tube fittings are availablein a variety of materials,includingoptimized 316 stainless steel chemistrywith elevated ni ckel,chromium,andother elements for superior corrosionresistance in a variety of applications,including chemical processing,sour gas and subsea systems.CIR-LOK continues to improve the performance and reliability of the tube fitting for use in thousands of diverse applications—including research,alternative fuels, analytical and process instrumentation, oil and gas, power,petrochemical, and semiconductor industries.
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Tube Fittings-Bulkhead Union

FT-Tubing

CIR-LOK tubing will be distributed after strict and repeatable testing to ensure the efficiency of products and provide high- quality user experience. Available fractional sizes from 1/16 to 2 in, CIR-LOK tubing and pipe is standard intrumentation tubing and pipe.
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FT-Tubing

BS1-Bellows-Sealed Valves

CIR-LOK BS1 series bellows-sealed valves are available in a variety of models for system versatility.Working pressure is up to 1000 psig (68.9 bar),working temperature is from -20℉ to 900℉ (-28℃ to 482℃). Isolate system fluids and achieve reliable, leak-tight performance with CIR-LOK BS1 series bellows-sealed valves which use a packless design and a gasketed or welded seal. They are ideal for applications where the seal to atmosphere is critical, and we offer multiple options for general and high-purity service.
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BS1-Bellows-Sealed Valves

BR2-Back Pressure Regulators

CIR-LOK BR2 Series valve controls pressures up to 15,000 psig / 1034 bar and is suitable for gas or liquid service.Main application:Pump discharge pressure control,Reactor pressure control,Over-pressurization relief.
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BR2-Back Pressure Regulators

Sample Bottle

CIR-LOK provides sample bottle with 316 stainless steel material and other customized materials according to cliets requirement and provides solution for sample recovery system. CIR-LOK's sample bottle has 300 ml sleeve with bottle retaining clip, manual operation and 1/4 female NPT connection.
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Sample Bottle
about us

CIR-LOK / leading manufacturer of tube fitting and instrument valve.

The company has now grown into a global corporation that designs, develops, and manufactures thousands of high-quality products and services. The technical team has accumulated a wealth of experience in industries like power generation, petrochemical, natural gas and semiconductor Industry. All CIR-LOK products are subject to rigorous quality assurance management processes through all stages of order processing, design, manufacture, testing and certification to ensure that these key customer requirements are met.

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    R & D Experience
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    Company Staff
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    Global Distribution

products center / Dedicated to designing, developing & manufacturing thousands of high-quality products & services.

Get in touch! / Discover exceptional value with our products and services. Interested? Let's talk business!

Simply click the "Inquire Now" button and tell us about your needs.
Our team is ready to provide you with a tailored quote that fits your requirements.
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Industry application / The tech team has rich experience in power generation, petrochemical, natural gas and semiconductor.

Petroleum & Petrochemical
Thermal Power & Nuclear Power

ClR-LOK fluid process components are the trusted design for awide variety of Analytical Instrumentation including Spectrometers, Chromatographs and Liquid Analyzers. Whether you need astandard component or a customized design for your project.Hikelok specialists can help

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Petroleum & Petrochemical
Solar Energy & Smiconductor

CIR-LOK will help you meet your semiconductor manufacturingchallenges, enhance safety and reliability, even reduce the totacost of ownership. The highest standards of cleanness.leak-proof and corrosion resistance are typical to the contintously arowing semiconductor industry

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Petroleum & Petrochemical
Thermal Power & Nuclear Power

From fossil fuel power generation to nuclear power plants. Hikelok offerina a wide variety of process instrumentation compo-nents.Whether you are commodity driven or have specialized fluid control requirements, ClR-LOK power generation professionals can help you retrofitting an existing process, or to design andbuild a new one.

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Petroleum & Petrochemical
Refinery & Chemical

Whether you're involved in the Fixed, Floating, Marine or SubseaProduction facility or downstream refining,including gas processing, transportation & pipelines and storage, ClR-LOK helpsclients optimize their oil and gas operations and ensure the mostefficient use of capital and resources

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Petroleum & Petrochemical
Petroleum & Petrochemical

We are currently world leaders in valve manufacture for Chemical and Petrochemical industry. CIR-LOK can help you succeed. From offering a wide variety of process instrumentation compo- nents that meet or surpass industry standards to design support from experienced engineers, CIR-LOK tube fittings, valves, and tubing are used extensively on standard instrument hook ups including:level measurement pressure measurement temperature measurement flow measurement utility gas calibration, switching and conditioning system grab sample station.

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Latest news / CIR-LOK's aggressive goal is to establish ourselves as an industry leader and expand our market share.

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