The ASCO™ 220 Series is a premium line of 2/2-way solenoid valves engineered specifically for the demanding control of steam and hot water. Designed for superior performance and durability, it delivers up to 60% higher flow than comparable valves from competitors, allowing a compact 3/4-inch model to match the flow capacity of a standard 1-inch valve. Its innovative floating PTFE diaphragm ensures bubble-tight sealing and exceptional service life, making it a reliable and cost-effective solution for industrial applications where uptime is critical.
This versatile valve is built to handle both steam and hot water with a single unit, simplifying inventory and maintenance. The threaded bonnet allows for quick inspection and service, significantly reducing downtime and maintenance costs.
Exceptional Flow Efficiency: Achieves up to 60% higher flow rates than similar-sized competitive valves, enabling downsizing and optimized system design.
Extended Service Life: Features a robust floating PTFE diaphragm design, proven to last up to four times longer than conventional valves. It is rigorously tested for 1 million cycles in hot water and 50 psi steam, and 500,000 cycles in 125 psi steam.
Low Power & Quiet Operation: The efficient design requires less energy, especially in low differential pressure applications (e.g., 5 psi). DC models operate quietly with a 0 psi pressure differential.
Dual Media & Easy Maintenance: One valve body is suitable for both steam and hot water applications, reducing inventory complexity. The easily removable threaded bonnet enables fast field inspection and repair.
Rugged and Certified Construction: Built with a brass body for durability and is approved for use in hazardous, indoor, outdoor, and washdown environments. Complies with major standards including CSA and UL.
The following table outlines the core specifications for the ASCO 220 Series.
| Attribute Category | Specification Details |
|---|---|
| Valve Function | 2-Way, 2/2 (Normally Closed or Normally Open) |
| Actuation Type | Solenoid |
| Body Material | Brass |
| Compatible Media | Hot Water, Steam |
| Port Sizes | Available from 3/8″ up to 2 1/2″ NPTF |
| Flow Coefficient (Cv) | Ranges: 2.0 – 6.0 Cv; 6.0 – 14.0 Cv; 14.0 Cv and above |
| Voltage Options | Extensive range including 12/24/48 VDC; 24/110/120/208/220/240/480 VAC (50/60 Hz) |
| Operating Environment | Hazardous, Indoor, Outdoor, Washdown |
| Standards & Approvals | CSA, UL; NEMA Enclosures Types 1, 2, 3, 3S, 4, 4X, 6, 6P, 7, 9 |
The ASCO 220 Series is ideal for reliable on/off control in systems requiring steam or hot water, such as:
Industrial process heating and sterilizers.
Commercial laundry and kitchen equipment.
Boiler feed systems and heat exchangers.
Hospital sterilization and cleaning systems.
For detailed technical datasheets, specific model selection, or pricing information, please do not hesitate to contact us.
If you have any questions about specifications or suitability for your application, please contact the sales team at Kateteco for support.
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KateTeco (Tianjin) Technology Co., Ltd. serves as an outstanding partner in the field of industrial fluid automation, specializing in the introduction and integration of high-end valves and instruments. We are committed to providing customers with safe, reliable, and intelligent system solutions. By leveraging global leading product resources and supported by systematic professional training and on-site technical assistance from Emerson’s experienced engineers, we ensure that customers can respond promptly and accurately to technical challenges.
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