I.D. Couplers Manufacturers in India
Background
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Air Grip India is one of the leading I.D. Couplers manufacturers in India, offering a wide range of high-performance inner diameter couplers for precise and efficient leak testing. Our couplers are engineered with advanced materials, superior craftsmanship, and industry-compliant specifications, making them ideal for demanding industrial applications.
We specialize in providing leak testing solutions that help our clients improve product quality, reduce cycle times, and streamline their manufacturing operations. Trusted across the automobile, pharmaceutical, gas, and fluid transfer industries, our I.D. couplers are built to deliver accurate results with long-term reliability.
What is an I.D. Coupler?
An I.D. Coupler (Inner Diameter Coupler) is a mechanical device used to test the internal surface (inner diameter) of pipes or tubes for leaks. These couplers are inserted into the pipe and expand to create a tight seal against the internal walls. Once sealed, pressure or vacuum is applied to check for any leakage.
This method is commonly used when the pipe ends are closed and testing must be conducted from the inside. I.D. couplers are perfect for applications where external access is limited and internal integrity needs to be verified accurately.
Why Choose Air Grip India for I.D. Couplers?
As a pioneer in coupler manufacturing, Air Grip India combines deep technical knowledge with manufacturing excellence. We ensure each I.D. Coupler is precision-built, thoroughly tested, and designed to meet your exact application needs.
✅ Key Highlights:
Manufactured with superior raw materials
Fully compatible with automated testing systems
Designed for repeated use in high-volume production
Suitable for varied pipe diameters (10 mm and above)
Custom designs available for non-standard applications
Features of Our I.D. Couplers
Our I.D. couplers offer a combination of durability, accuracy, and user-friendliness. Here are the core features that make our couplers stand out:
🔧 Corrosion Resistance
Manufactured with stainless steel and anti-corrosive finishes, our couplers withstand harsh industrial environments.
🔩 Robust Construction
Engineered to perform under pressure, our couplers operate effectively up to 15 Kg/cm² and within a temperature range of -10°C to +100°C.
🔄 No Drop in Flow or Pressure
Our straight-through design ensures zero flow resistance, maintaining test accuracy and system performance.
⏱️ Time-Efficient Design
Quick to install and remove, our couplers reduce cycle time, improving productivity on the shop floor.
🔁 Reusability
With durable seals and rugged construction, the couplers can be used for hundreds of test cycles, reducing the cost of ownership.
How I.D. Couplers Work
Our I.D. leak testing couplers are easy to use and integrate into your existing leak testing system. Here’s how they function:
Insertion – The coupler is inserted into the pipe or tube’s inner diameter.
Gripping – A sealing mechanism expands or grips the inner walls to create an airtight connection.
Pressure/Vacuum Applied – Air or fluid is introduced to check for leaks within the pipe.
Leak Detection – Any drop in pressure or fluid escape is monitored, confirming the presence or absence of leaks.
Release – Once testing is done, the coupler is disengaged and moved to the next part.
This method ensures fast, safe, and accurate leak detection without damaging the pipe or tube.
Technical Specifications
| Attribute | Specification |
|---|---|
| Coupler Type | Inner Diameter (I.D.) Leak Testing Coupler |
| Pipe I.D. Range | 10 mm and above |
| Pressure Handling | Up to 15 Kg/cm² |
| Temperature Range | -10°C to +100°C |
| Material | Stainless Steel / Hardened Steel |
| Coupling Type | Straight-through |
| Seal Type | Replaceable Industrial Seals |
| Flow Drop | None |
| Mounting/Grip | Internal Expansion or Friction Fit |
Applications of I.D. Couplers
Our I.D. couplers are trusted by industry leaders across various sectors for internal pipe testing and quality control.
Automotive Industry
Used for testing fuel lines, brake tubes, radiator pipes, and other assemblies for air or fluid leaks.
Pharmaceutical & Biotech
Used in sterile environments to test stainless steel fluid lines and ensure contamination-free operations.
Gas & Fuel Transmission
I.D. couplers are ideal for testing pipelines that carry gases under pressure to ensure safety compliance.
Water and Fluid Transfer
Ensures the integrity of pipes used in hydraulic systems, water plants, and chemical transfer lines.
Heavy Manufacturing
Used in automated leak testing systems to increase production speed and reduce human error.
