Cam and groove
Cam and groove coupling, also called cam lock fittings or Cam&groove coupling,
is a kind of quick connect coupling usually used in most industries as a hose connection to avoid leakages.
This kind of coupling is popular because it is considered to be a simple and economical way of re-connecting and disconnecting.
A Cam and groove fitting can be used in a system where rapid filling of chemical drums takes place. It can be used by factories that have needs of dye, paint and ink medium transfers. It is used where frequent changes of hoses are required to find the right mix. It also suitable for petroleum trucks, etc.
Note: Cam and Groove couplings are not recommended for any type of compressed gas service, including steam or air.
General speaking, the most common types of cam and groove coupling are follow type:
- TYPE A: adapter with female thread popular standard of thread is BSP or NPT
- TYPE B: coupler with male thread popular standard of thread is BSP or NPT
- TYPE C: coupler with shank
- TYPE D: coupler with female thread popular standard of thread is BSP or NPT
- TYPE E: adapter with shank
- TYPE F: adapter with male thread popular standard of thread is BSP or NPT
- TYPE DC: dust cap
- TYPE DP: dust plug
Standard
- A-A-59326 (old version called MIL-C-27487)
- EN14420-7
Apart from these basic type, the hose/pipe connection part can be various type such as flange, butt welding, and truck use sight glass etc.