Series 307 - Pilot Operated Pressure Assisted Balanced Poppet Valves G1/4 - G1/2
ASCO Series 307 valves can be internally piloted, or externally piloted to convert valve to zero minimum pressure differential operation by applying auxiliary air. These valves come in stainless steel or brass bodies and have stainless steel internal parts. Using such high quality materials yields a high reliability and long service life. These valves satisfy all relevant EU directives.