The NAKAKITA NS7373-D is a heavy-duty industrial valve positioner engineered for precise pneumatic actuation and reliable control of process valves in demanding industrial environments. It converts a pneumatic control signal into a proportional valve stem position, ensuring accurate throttling and tight shutoff.
NAKAKITA NS7373-D Technical Specifications
| Model | NS7373-D |
| Type | Pneumatic Valve Positioner |
| Input Signal | 3–15 psi (0.2–1.0 bar) standard |
| Supply Pressure | 20–100 psi (1.4–7.0 bar) |
| Action | Single or double acting |
| Mounting | NEMA 4 / IP65 enclosure |
| Port Connections | 1/4 NPT |
| Operating Temperature | -20°C to +80°C |
Key Engineering Features
- Force-balance pneumatic principle for stable, repeatable positioning
- Zero and span adjustments accessible without disassembly
- Corrosion-resistant housing for harsh plant environments
- Low air consumption and high-frequency response
- Compatible with linear and rotary pneumatic actuators
Industrial Applications
- Chemical and petrochemical process control loops
- Oil and gas flow regulation
- Power plant steam and water valve management
- Pulp and paper stock control
- Water treatment and industrial automation systems
For technical inquiries, dimensional drawings, or replacement support for NAKAKITA NS7373-D, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES



NAKAKITA NS7373-D Valve Positioner
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the NAKAKITA NS7373-D Valve Positioner. This precision-engineered industrial component delivers reliable performance and tight fluid control for heavy-duty systems.