Precision Tube Fittings & Instrumentation Components for Critical Applications
Multi
USA
A dedicated fluid-control brand, built on decades of industrial sourcing.
MI-LOK is an industrial fluid control and instrumentation brand specializing in high-quality stainless steel tube fittings, pipe fittings, manifolds, instrumentation valves, and related flow-control components.
Built on decades of experience in industrial sourcing, engineering products, and aftermarket supply, MI-LOK was established to give customers a reliable, cost-effective alternative for critical instrumentation and fluid-handling applications.
Our product range is developed with a focus on precision, reliability, consistency, and interchangeability — helping customers source dependable components for new installations, maintenance, repair, and replacement.
Multi-Industry International Sourcing since day one.
MI-LOK is backed by the experience and industry network of MiTris, Inc. — Multi-Industry International Sourcing. With more than 30 years of diversified experience, MiTris has built long-term relationships with customers across multiple sectors by reducing OEM and aftermarket spare-parts costs, improving sourcing efficiency, and accelerating delivery.
Through MiTris, we've developed extensive experience sourcing and supplying industrial components for manufacturing, power generation, MRO, oil & gas, process industries, mining, marine and shipyards, water treatment, food & beverage, defense, government, and other industrial sectors.
30+
MiTris
USA
Global
Where the sourcing and supply happens.
Even a small fitting plays a critical role.
Our portfolio spans the components that keep fluid systems safe, reliable, and leak-free — from everyday connections to custom, application-specific parts.
Fittings & Adapters
Stainless Steel Tube Fittings
Double Ferrule Compression Tube Fittings
Instrumentation Tube Fittings
Tube Adapters
Pipe Fittings & Stainless Steel Pipe Fittings
Instrumentation Valves
Needle Valves
Ball Valves
Check Valves
Manifold Valves
Instrumentation Valves
Accessories & Special Components
Tube Fitting Accessories & Components
Special & Custom Fluid System Components
A dependable alternative — without compromise.
A key advantage of MI-LOK is our focus on interchangeable tube fitting solutions. Our fittings are designed to serve as alternatives to widely used industry fitting systems, making them suitable for customers looking to replace existing fittings, maintain installed systems, or source equivalent components.
Our goal is to provide customers with a dependable alternative without compromising on quality, precision, material integrity, or performance.
Note : Compatibility and interchangeability should always be verified based on the specific fitting design, size, material, pressure rating, tubing specifications, and application requirements before installation.
Share what you have
Provide an existing part number, drawing, specification, or sample.
We identify the equivalent
Our team assists in identifying the appropriate MI-LOK equivalent.
Verify before install
Confirm design, size, material, pressure rating, and tubing spec.
Every characteristic, controlled.
Quality is at the center of MI-LOK. Our approach combines carefully selected materials, controlled manufacturing processes, dimensional accuracy, and inspection procedures to deliver consistent industrial components.
Our objective is simple: to provide industrial customers with reliable components they can specify, source, install, and depend on.
Accurate dimensions & tolerances
Reliable sealing surfaces
Proper ferrule & fitting geometry
Consistent manufacturing quality
Consistent thread quality
Material integrity
Surface finish
Application-appropriate pressure & temperature requirements
Suitable for a broad range of industries and applications.
Oil & Gas
Tube fittings, valves, manifolds, and instrumentation components for process and fluid-control applications.
Chemical & Petrochemical
Corrosion-resistant stainless steel fittings and instrumentation components for demanding process environments.
Power Generation
Fluid-system and instrumentation components used in power and utility applications.
Manufacturing & MRO
Replacement and maintenance components for industrial equipment and fluid systems.
Marine & Shipbuilding
Stainless steel tube fittings, valves, and piping components for marine and shipyard applications.
Water Treatment
Fittings and valves for water, process, and instrumentation systems.
Mining & Heavy Industry
Industrial fittings and valves designed for demanding operating environments.
Food & Beverage
Precision fluid-system components for process and utility applications where material selection and reliability are important.
Your long-term industrial sourcing partner.
Our parent organization's experience in multi-industry international sourcing enables us to understand the challenges customers face when purchasing industrial components — from identifying the right replacement part to managing cost, availability, lead times, quality, and delivery.
We work closely with customers to understand their technical and commercial requirements and provide practical sourcing solutions.
Supported
Single Replacement Fitting
Supported
Recurring MRO Supplies
Supported
Project Instrumentation Components
Supported
Larger Industrial Requirements
Four principles, built into every part.
Quality
Delivering reliable and consistent industrial components.
Precision
Maintaining dimensional accuracy and manufacturing consistency.
Value
Providing competitive alternatives without compromising product quality.
Partnership
Building long-term relationships through responsive service and dependable supply.
Four principles, built into every part.
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