W1 Double ear hose clamp

Description:

Double ear hose clamp/double eaar hose clips a type of hose or pipe clamp designed for secure fastening using a double-ear (two-lug) mechanism made from zinc-plated steel. The 2 ear clamps are high-strength metal clamp used to fasten hoses, pipes or cables. It achieves uniform pressurization and firm locking by tightening the ears on both sides. Compared with ordinary hose clamps, the double-ear structure provides higher vibration resistance and sealing, and is widely used in automobiles, ships, industrial equipment and other fields.

High-Performance Double Ear Clamps for Secure Sealing

Double ear hose clamps (also known as 2-ear clips) are an economical and reliable solution for simple hose assemblies. Compared to single ear versions, the dual-ear design provides a wider clamping range and ensures a more symmetrical distribution of pressure around the hose, making them perfect for high-vibration environments.

Material:

W1 - all parts carbon steel with zinc plated 

Features:

Double ear hose clamp provides superior sealing performance through their 360-degree compression design. The twin-ear configuration allows for even pressure distribution around the entire circumference of the hose or pipe, creating a leak-proof connection that outperforms standard single-ear clamps in high-pressure applications. This makes them ideal for fuel systems, coolant lines, and industrial fluid transfer where sealing integrity is critical. 

The smooth, uninterrupted band design eliminates protruding screws or sharp edges found on other clamp types. This clean profile reduces injury risk to technicians and prevents damage to surrounding components from abrasion. The flush surface also makes these clamps easier to clean and sanitize for medical or pharmaceutical applications.

Available in a wide range of diameters, double ear hose clamp accommodates everything from small-bore medical tubing to large industrial hoses. 

Drawing: 

Dimension chart:

Key Advantages

- Enhanced Clamping Range: The two ears allow for a larger diameter adjustment, making it easier to fit hoses with varying wall thicknesses.

- Uniform Pressure Distribution: By pinching both ears, the clamp provides a more balanced radial force, ensuring a leak-proof seal for air and fluid lines.

- Tamper-Proof Design: Once installed with a pincer tool, these clamps cannot be loosened without being destroyed, providing a secure and permanent connection.

- Smooth Inner Band: Precision-manufactured to be burr-free, protecting the hose surface from damage during installation.

Application:

Double ear hose clips are widely used in fuel systems, coolant lines, and air intake hoses due to their vibration-resistant design. They provide secure, leak-proof connections in cars, trucks, motorcycles, and marine engines, preventing fluid leaks under high-pressure conditions. OEM manufacturers prefer them for EV battery cooling systems and turbocharger piping because of their consistent clamping force.

In pneumatic, hydraulic, and chemical transfer systems, double ear hose clips ensure reliable sealing for high-pressure hoses, compressed air lines, and fluid connectors. Their corrosion-resistant stainless steel construction makes them suitable for oil & gas, mining, and heavy machinery, where harsh environments demand durable fastening solutions.

FAQ: Double Ear Hose Clamps

• Q: Why choose double ear clamps over single ear clamps?

  • A: Double ear clamps offer a larger "grip range" and provide a more centered, symmetrical clamping force. They are more forgiving if the hose size varies slightly.

• Q: What tools are required for installation?

  • A: A standard pair of ear clamp pincers (either side-jaw or front-jaw) is required to crimp the ears for a permanent seal.

• Q: Are these clamps reusable?

  • A: No. Ear clamps are designed for permanent installation. To remove them, the ear must be cut with a pincer, making them a safe, tamper-evident choice.

• Q: How do I select the correct size?

  • A: Measure the outer diameter (OD) of your hose after it is pushed onto the fitting. Choose a clamp where your OD falls in the middle of the clamp's adjustment range.