Overview
The George Fischer NW25 Da32 1″ check valve (N010) is a reliable one-way flow control valve engineered for industrial and pneumatic applications. This plastic check valve is manufactured to strict GF standards and provides dependable flow regulation in vertically or horizontally mounted configurations. The NW25 Da32 designation indicates a nominal width of 25mm with a 32mm body diameter and 1″ port size.
Key Features
- Durable plastic construction rated for robust industrial environments
- Low maintenance operation with streamlined, intuitive design
- Flexible mounting orientation (vertical or horizontal installation)
- Handles both small and large pipe configurations
- Compatible with pneumatic and general fluid systems
Technical Specifications
- Port Size: 1 inch (25mm nominal)
- Model Designation: NW25 Da32
- Part Number: N010
- Body Diameter: 32mm
- Material: High-grade plastic
- Manufacturer: George Fischer (+GF+)
- Condition: New, without original box
Typical Applications
The George Fischer check valve is suited for:
- Pneumatic control and automation systems
- Industrial process piping and flow regulation
- Backup pressure relief and one-way flow enforcement
- Modular valve manifold assemblies
- Systems requiring minimal maintenance and reliable operation
Compatibility & Replacements
Compatible With
- 1″ NPT threaded port connections
- GF pneumatic and industrial valve manifolds
- Standard plastic piping systems (PVC, CPVC, PP-H)
- Vertical and horizontal pipeline installations
- Low-pressure pneumatic control circuits
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The NW25 Da32 configuration may replace similarly sized check valves from competing manufacturers, but confirm port thread type and pressure ratings with your supplier.
Works With
- George Fischer diaphragm valve and actuator assemblies
- Industrial pneumatic control systems
- Modular piping and manifold configurations
- Standard 1″ NPT connector fittings and adapters





