Common letter codes for tracheal connectors
Mar 17, 2025| Common letter codes for tracheal connectors usually start with the letter "P", followed by other letters to indicate the connector type, as follows:
PC
Represents a straight-through quick-connect connector, commonly used to connect PU tubes with an outer diameter of 4-12mm, such as PC04 (4mm diameter, 1/8 inch thread) to PC12 (12mm diameter, 3/4 inch thread).
PL
Represents a right-angle elbow connector, with models such as PL04-PL12, corresponding to elbow connections of different diameters.
PT/PST
PT: T-type external threaded tee connector, such as PT04, PT06, etc.
PST: Another symbol for T-type tee.
PSY
Represents a Y-type tee connector, used for bifurcated pipeline connections.
Other codes
PWT: Y-type threaded connector (such as PWT04).
PCH/PLF/PB/PD: Special function connector (such as with locking or speed regulation function), but the specific meaning needs to be combined with the manufacturer's standards.
