Surge suppressor for a mixer head assembly

A molding system comprising:

• a mix head;
• an input port to a passage, said input port communicating with a feed assembly;
• a plurality of sequentially activatable valves each defining a longitudinal axis, each of said plurality of sequentially activatable valves include an opening transverse to the longitudinal axis and alignable with said passage to selectively suppress a flow of fluid through said passage;
• a bias adjacent each of said plurality of sequentially activatable valves to bias said valve toward an open position;
• an actuator to selectively activate each of said plurality of sequentially activatable valves;
• and
• an output port from said passage, said output port communicating with said mix head.

A method of suppressing an initial fluid flow to a mix head assembly of a molding system comprising the steps of:

• (1) blocking a fluid material;
• (2) passing the fluid material through a first restriction in response to the material reaching a first predetermined pressure;
• (3) removing the first restriction and passing the fluid material through a second restriction in response to the material reaching a second predetermined pressure, the second restriction less than the first restriction;
• and
• (4) exiting the fluid material to the mix head.