61TCP Coaxial Fill Drop Tubes
OPW 61TCP Poppeted Coaxial Fill Drop Tubes
The OPW 61TCP Poppeted Coaxial Fill Drop Tube is similar to the 61TC, but is spring-loaded. When used in conjunction with the OPW 633TCP, the 61TCP acts as a poppet to close off the vapor return side of the coaxial fill tube.
