Multi-lug Hose Coupling

The multi-lug hose coupling consists of two or more lugs or locking mechanisms that interlock with corresponding lugs on another coupling or equipment. These lugs are typically arranged in a circular pattern and are used to secure the coupling in place, ensuring a tight and reliable connection.

One of the main features of multi-lug hose couplings is their versatility and compatibility with different hose sizes and types. They are available in various sizes and configurations to accommodate different hose diameters and connection requirements. This allows for easy and convenient connection between hoses of different sizes or to other equipment, such as pumps, valves, or nozzles.

How To Install Multi-lug Hose Coupling:

Operating a multi-lug hose coupling involves a few simple steps to ensure a secure and leak-proof connection. Here is a general guide on how to operate a multi-lug hose coupling:

1. Prepare the hoses: Ensure that the hoses you are connecting are clean and free from any debris or dirt. Trim the ends of the hoses if necessary to ensure a clean and even surface for connection.
2. Align the coupling lugs: Take the coupling and align the lugs with the corresponding lugs on the other coupling or equipment you are connecting to. Ensure that the lugs are properly aligned to ensure a secure connection.
3. Push and rotate: Push the coupling into the other coupling or equipment while simultaneously rotating it. The lugs should interlock and slide smoothly into place. Apply gentle pressure to assist in the connection process.
4. Verify the connection: Once the lugs are fully engaged, ensure that the couplings are securely connected. You can give a gentle tug on the hoses to check if the connection is tight and secure. Ensure there is no visible gap between the  couplings.
5. Lock the coupling: Some multi-lug hose couplings come with a locking mechanism to provide additional security. If your coupling has a locking feature, engage it to prevent accidental disconnection during operation.
6. Test the connection: After connecting the hoses, it is recommended to conduct a pressure or leakage test to verify the integrity of the connection. Apply the appropriate pressure or fluid to the hoses and check for any leaks or abnormalities.
7. Disconnecting the coupling: To disconnect the multi-lug hose coupling, release any locking mechanisms if present. Hold the hoses firmly and rotate the coupling while pulling it out from the coupling or equipment. Ensure that the pressure is released and that there is no residual fluid in the hoses before disconnecting. It is important to follow any specific instructions provided by the manufacturer of the multi-lug hose coupling, as different couplings may have variations in their operating procedures. Additionally, always adhere to safety precautions and guidelines when working with hoses and fluid transfer systems.

Pictures	Size					Main Material
	D1	D	L	d	Specs	Material
	Φ219	Φ275	185	Φ203	8″	Aluminium Alloy
	Φ270	Φ315	176	Φ253	10″	Aluminium Alloy
	Φ320	Φ380	178	Φ304	12″	Aluminium Alloy
	Φ441	Φ501	186	Φ407	14″	Aluminium Alloy
	D1	D	L	d	Specs	Material
	Φ380	Φ320	125	M300*4	12″	Aluminium Alloy
	Φ315	Φ270	100	M255*4	10″	Aluminium Alloy