The NORGREN R43-301-NNLG is a heavy-duty industrial pressure regulator engineered for precise downstream pressure control in compressed air and inert gas systems. It features a balanced poppet design that maintains stable outlet pressure regardless of inlet pressure fluctuations or flow demand changes.
NORGREN R43-301-NNLG Technical Specifications
| Series | R43 |
| Port Size | 1/2″ |
| Port Type | NPT |
| Adjustment | Knob |
| Pressure Range | 0.3 to 10 bar (4.4 to 145 psi) |
| Body Material | Zinc Alloy |
| Seal Material | Nitrile Rubber (NBR) |
| Maximum Inlet Pressure | 17 bar (247 psi) |
| Operating Temperature | -20°C to +80°C (-4°F to +176°F) |
| Flow Rate | Up to 50 l/min |
| Mounting | Inline or Panel Mount |
Key Engineering Features
- Balanced poppet design ensures constant outlet pressure independent of inlet pressure variations
- Precision-machined zinc alloy body with corrosion-resistant finish
- Large diaphragm area provides sensitive response and accurate regulation
- Locking adjustment knob prevents accidental pressure changes
- Relieving function allows downstream pressure to vent when setpoint is reduced
- Compatible with compressed air and inert gases
Industrial Applications
- Pneumatic control systems in manufacturing and assembly lines
- Air preparation units for machine tools and packaging equipment
- Process control in food, beverage, and pharmaceutical production
- Actuator and cylinder pressure regulation in automation systems
- Test benches and calibration rigs requiring stable air pressure
For technical inquiries, dimensional drawings, or replacement support for NORGREN R43-301-NNLG, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES
NORGREN R43-301-NNLG Pressure Regulator
⚡ 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 NORGREN R43-301-NNLG Pressure Regulator. This precision-engineered industrial component delivers reliable fluid control for heavy-duty systems.