What is hose clamp and what are its uses? What is difference between various types of hose clamps?

A hose clamp is a device that is used to secure a hose to a fitting such as a barb or nipple. There are various types of worm drive hose clamps including spring clamps, wire clamps, v band clamps, bolt hose clamps, etc.

1. How to select a hose clamp?

Hose Clamps are bifurcated on three bases:


  1. TYPE: Based on your application Light duty, Medium Duty, and Heavy duty

  2. SIZE: Any clamp manufacturers in India would agree that hose clamp size depends upon the minimum and maximum achievable diameter. The minimum clamp diameter for the standard series is ⅜ inches, and the maximum diameter is about 7/16 inches. They have ½ inches wide bands and 5/16 inch slotted hex head screws. 

  3. MATERIAL GRADE: Based on the operating environment conditions & material corrosion resistance clamp material grade should be selected. One example for this category is ss worm drive hose clamp made of stainless steel.


Not only are we a worm drive hose clamp manufacturer but also one of the best-customized clamp manufacturers in India.




2. Difference between Perforated & Serrated clamps & application basis selection of clamp.


The basic difference is, Perforated clamps have pierced teeth on the band of the clamp which engages with the screw, whereas in the case of Serrated clamps, the teeth on the band are formed which engages with the screw to provide the necessary clamping force. In the case of perforated clamps, there is a possibility of hose biting on a soft hose due to pierced teeth. In serrated clamps hose biting issue doesn’t arise due to rolled edges of the threads and smooth underside. 


3. Why is the use of Hose clamp not suggested on close diameter?


The bottom radius of the clamp housing is adjusted to meet clamp diameter, so if the clamp is tightened on the close diameter there are enhanced possibilities of joint leakage. Also, if the clamp is tightened on the close diameter there will be a long band protruding out of the clamp which may hinder the operator while maintenance tasks & assembling/dismantling time are also wasted.


4. Difference between Heavy Duty & conventional clamp


The heavy-duty worm drive hose clamp has more precise & firm engagement of screw & Band achieved by the use of Split housing construction. Split construction of housing provides better torque retention abilities to the clamp. Rigid split construction allows the clamp to withstand higher application torque.

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