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

SeriesR43
Port Size1/2″
Port TypeNPT
AdjustmentKnob
Pressure Range0.3 to 10 bar (4.4 to 145 psi)
Body MaterialZinc Alloy
Seal MaterialNitrile Rubber (NBR)
Maximum Inlet Pressure17 bar (247 psi)
Operating Temperature-20°C to +80°C (-4°F to +176°F)
Flow RateUp to 50 l/min
MountingInline 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
NORGREN R43-301-NNLG
NORGREN R43-301-NNLG

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.

Tested Genuine Surplus / OEM Hydraulic Component
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Tested Genuine Surplus / OEM Hydraulic Component
WhatsApp RFQ Fast Quote