Siemens 599-02033A MT SERIES 1/2" 2W VALVE, 0.63CV, NO, MOD EQ PERCENT, BRASS TRIM, FXUM, ANSI 250Siemens 599 02033A MT Series 1 2" 2W Valve, 0. 63Cv, NO, Mod Eq Percent, Brass Trim, FxUM, ANSI 250Powermite MT Series, 1 2" 2 Way, 0. 63 Cv, NO, Modified Equal Percentage, FUM, Bronze Body, Brass Trim, ANSI Class 250, Designed to work with pneumatic or electronic actuators, Direct coupled universal bonnet, 10 to 15 psi spring range, No tools required Powermite MT Series, 1 2" 2 Way, 0. 63 Cv, NO, Modified Equal Percentage, FUM, Brass Body, Brass