what is the different between Full-Port Valves and Reduced-Port Valves?
A Thread Starter a_m_shiha Nov 30, 2008 #1 what is the different between Full-Port Valves and Reduced-Port Valves?
R Roy Matson Nov 30, 2008 #2 Full port is line size opening in the trim, Reduced port has smaller than line size trim. Roy