The GRACO 171937 is a heavy-duty industrial pneumatic air regulator engineered for precise pressure control in compressed air systems. It maintains stable downstream pressure regardless of upstream fluctuations, ensuring consistent operation of pneumatic tools and equipment.
GRACO 171937 Technical Specifications
| Manufacturer | Graco |
| Model | 171937 |
| Product Type | Pneumatic Air Regulator |
| Media | Compressed Air |
| Port Size | 1/4 in NPT |
| Adjustment Range | 0–125 psi |
| Body Material | Aluminum |
| Seal Material | Nitrile (Buna-N) |
| Mounting | Inline or Panel Mount |
Key Engineering Features
- Precision pressure regulation with low droop
- Corrosion-resistant aluminum body
- Relieving and non-relieving configurations available
- Locking adjustment knob for setpoint security
- Compatible with standard compressed air systems
Industrial Applications
- Spray coating and finishing equipment
- Pneumatic tool circuits
- Automated assembly lines
- Material dispensing systems
- General industrial air control
For technical inquiries, dimensional drawings, or replacement support for GRACO 171937, contact the Pro-Hydraulic engineering team.
PRODUCT IMAGES


GRACO 171937 Pneumatic Air Regulator
âš¡ 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 GRACO 171937 Pneumatic Air Regulator. This precision-engineered industrial component delivers reliable fluid control for heavy-duty systems.