The ASCO NFB551A309 is a heavy-duty industrial pneumatic process valve engineered for reliable media control in demanding process and pneumatic circuits. It utilizes a robust piston or diaphragm actuation principle to provide positive shutoff and repeatable cycling in general service applications.
ASCO NFB551A309 Technical Specifications
| Manufacturer | ASCO |
| Model | NFB551A309 |
| Product Type | Pneumatic Process Valve |
| Actuation | Pneumatic (air pilot) |
| Function | 2-way, normally closed / normally open configurations |
| Body Material | Brass or Stainless Steel (application dependent) |
| Seal Material | NBR / EPDM / FKM options |
| Port Size | 1/4″ to 1″ NPT or G (specify) |
| Operating Pressure | Up to 150 psi (pneumatic pilot dependent) |
| Media | Air, inert gas, water, light oils |
| Mounting | Inline or manifold |
Key Engineering Features
- Pneumatic piston or diaphragm actuation for high cycle life
- Balanced design minimizes pressure drop and actuation force
- Field-replaceable seals and wear components
- Compact envelope for tight manifold installations
- Compatible with clean dry air or inert gas pilot media
Industrial Applications
- General process control and media isolation
- Pneumatic automation and actuator piloting
- Water and light oil transfer systems
- Packaging, textile, and food-grade process lines
- OEM machinery and skid-mounted fluid panels
For technical inquiries, dimensional drawings, or replacement support for ASCO NFB551A309, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES
ASCO NFB551A309 Pneumatic Process Valve
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- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the ASCO NFB551A309 Pneumatic Process Valve. This precision-engineered industrial component delivers reliable fluid control for heavy-duty systems.