ASCO™ Series 221 Slow-Closing Water Solenoid Valves

The ASCO™ 221 Series Slow-Closing Water Solenoid Valve offers superior flow and versatility for both hot and cold-water applications, reducing inventory needs. Its durable brass construction ensures reliability in demanding environments like laundries, molding, and sterilisation. With various pipe sizes, NPTF ports, and voltages available, it handles pressures up to 34.5 Bar. Designed for easy maintenance, the valve meets rigorous safety standards, making it ideal for commercial use.

Key Features

Key features and benefits of the ASCO™ Series 221 Slow-Closing Water Solenoid Valves
1

Key Features

The ASCO™ 221 valve’s unique slow-closing mechanism helps to reduce water hammer, ensuring smoother operation in water systems. This design feature protects equipment and piping from pressure surges, extending the lifespan of the system.
2

Key Features

Capable of handling both hot and cold water, this valve simplifies inventory management by eliminating the need for separate valves for different temperature applications, offering flexibility for various industries.
3

Key Features

The 221 Series is available in multiple pipe sizes (from 3/8" to 2 1/2") and can be operated across a broad range of voltages, accommodating a variety of commercial applications with ease, making it adaptable to different system requirements.

Series Specs
Valve Actuation: Solenoid
Body Material: Brass
Media: Water
Pipe / Port Size: 3/8 "; 3/4 "; 1 "; 1 1/4 "; 1 1/2 "; 2 "; 2 1/2 "
Port Type: NPTF
Function: 2 way - 2/2 Normally Closed; 2 way - 2/2 Normally Open
Flow: From 2.0 Cv to 6.0 Cv; From 6.0 Cv to 14.0 Cv; Over 14.0 Cv
Voltage: 110 AC to 480 AC; 6 DC - 50/60
Environment: Corrosive; Hazardous; Indoor; Outdoor
Standards / Regulations: Class I Div 1 & 2; Class II Div 1 & 2; CSA; Type 1; Type 2; Type 3, 3R, & 3S; Type 4 & 4X; Type 6 & 6P; Type 7; Type 9; UL

Catalogues & Manuals

  • Document
CATALOGUE

PV Operators for Potentially Explosive Atmospheres
  • Document
CATALOGUE

Series 221 Slow Closing | ASCO
  • Document
MANUAL

I&M Sheet: NF WSNF Flameproof Solenoid Operator | ASCO
  • Document
MANUAL

NF WSNF Flameproof Solenoid M12 Operator | ASCO
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ASCO™ Series 221 Slow-Closing Water Solenoid Valves