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NG # 039440016-HW-ASCO-016
ASCO Series 220 is a high-flow solenoid valve designed for reliable on-off control of steam and hot water in commercial and industrial applications. Its floating PTFE diaphragm provides positive sealing, enhanced durability and dependable operation, making it suitable for heating systems, boilers and industrial process equipment.
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Get A QuoteThe ASCO 220 series features a pilot-operated diaphragm design engineered to deliver high flow capacity and reliable shutoff. Its floating PTFE diaphragm enhances sealing performance and service life, while the threaded bonnet allows convenient inspection and maintenance. Available in brass body configurations with different port sizes, flow capacities and electrical options, it supports a wide range of steam and hot-water control applications.
Valve function: 2-way (2/2), normally closed or normally open
Actuation: Solenoid, pilot-operated
Body material: Brass
Media: Steam and hot water
Port sizes: ⅜" to 2½"
Connection type: NPT
Flow capacity: Cv 3 … 45, depending on configuration
Diaphragm material: PTFE
Voltage options: Multiple AC voltage configurations
Frequency: 50 Hz, 60 Hz and 50/60 Hz
Applications: Boilers, steam distribution, hot-water systems and industrial heating equipment
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