The ASCO 8551A409MO is a heavy-duty industrial solenoid valve engineered for precise control of air and inert gases in demanding pneumatic systems. Featuring a robust brass body and a reliable elastomer seal, this 2/2 normally closed valve ensures tight shutoff and long service life. Its compact design and industry-standard mounting make it a direct replacement for a wide range of process applications.
ASCO 8551A409MO Technical Specifications
| Valve Type | 2/2 Normally Closed, Direct Acting |
|---|---|
| Body Material | Brass |
| Seal Material | NBR (Buna-N) |
| Port Size | 1/4″ NPT |
| Orifice Diameter | 4 mm |
| Flow Coefficient (Cv) | 0.45 |
| Operating Pressure Range | 0 to 150 psi (AC), 0 to 120 psi (DC) |
| Voltage | 120 VAC, 60 Hz |
| Power Consumption | 10.1 W |
| Coil Insulation Class | F |
| Protection Class | NEMA 1 |
| Media | Air, Inert Gas, Water (with compatible seal) |
| Mounting | Inline, 1/4″ NPT female ports |
Key Engineering Features
- Direct-acting design allows operation from zero pressure differential.
- Brass body with NBR seals for compatibility with air, inert gases, and water.
- Compact coil and robust construction for high-cycle industrial use.
- Industry-standard 1/4″ NPT ports for easy integration.
- Fast response and reliable shutoff in continuous duty applications.
Industrial Applications
- Pneumatic control systems in manufacturing and automation.
- Air and inert gas shutoff in process industries.
- Water control in commercial and industrial equipment.
- General fluid handling in packaging, printing, and textile machinery.
- OEM replacement for ASCO 8551 series valves.
For technical inquiries, dimensional drawings, or replacement support for ASCO 8551A409MO, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES
ASCO 8551A409MO Solenoid Valve
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Shop the ASCO 8551A409MO Solenoid Valve. This precision-engineered industrial component delivers reliable fluid control for heavy-duty systems.