ZMA pneumatic film single seated/double seated /sleeve control valve

ZMA pneumatic film single seated/double seated /sleeve control valve ZMA pneumatic film single seated/double seated /sleeve control valve has learned from partial merits of Cv3000, which is composed of multi spring adjustable diaphragm actuator and double seated control valve. This valve is lighter than ordinary double seated control valves while its outlook is nice. BY using balanced valve core, differential pressure is large; flow rate is big, which is suitable for low requirement of leakage. Diameter: DN25- -300 Pressure: 1.6- -6.4MPa Materials: Cast steel、chrome molybdenum steel、stainless steel