Sullair Screw Air Compressor Parts Pressure Regulator
The Sullair 406929 Pressure Regulator is a precision-engineered control component designed to ensure consistent air delivery and maintain optimal pressure levels within Sullair screw air compressors. Manufactured from high-grade copper alloy, this regulator offers superior corrosion resistance, stable thermal performance, and exceptional sealing integrity — making it ideal for long-term industrial operation under varying temperature and pressure conditions.
| Application |
Air Compressor |
|---|---|
| Material |
Copper Alloy ,Stainless Steel |
In a screw air compressor, the pressure regulator serves as the critical interface between the airend discharge and the system’s air network. The 406929 regulator continuously monitors downstream air pressure and automatically adjusts the inlet valve opening to maintain the target pressure range.
Its sensitive diaphragm mechanism and balanced valve structure ensure instant response to pressure fluctuations, effectively reducing compressor load cycles and extending the lifespan of internal components. By preventing both overpressure and pressure drops, it ensures stable air output for tools, pneumatic equipment, and industrial processes.
Material and Construction
This pressure regulator is constructed primarily from high-quality copper alloy, which offers significant advantages:
- Corrosion resistance: The copper body provides excellent resistance to moisture, oil vapors, and condensate found in compressed air systems.
- Thermal stability: Maintains consistent performance even under continuous high-temperature operation.
- Enhanced sealing performance: Precision-machined internal passages minimize leakage, while the integrated elastomer seals maintain airtight control over extended use.
- Durability: The solid metallic construction resists fatigue and deformation caused by frequent pressure cycles.
The valve core, spring, and seat are engineered for precise tolerance and smooth actuation, ensuring minimal pressure lag during load changes.
Performance Characteristics
- Stable Regulation Range: Maintains consistent outlet pressure within ±0.1 MPa.
- Quick Response Time: Optimized valve geometry ensures instant feedback to pressure variations.
- Oil and Moisture Resistance: Internal surfaces are treated to resist contamination and corrosion.
- Easy Maintenance: Modular design allows for convenient inspection, cleaning, and seal replacement.
The regulator effectively reduces compressor unloading frequency, leading to better energy efficiency and reduced wear on the airend assembly.
Compatibility and Replacement Reference
The 406929 pressure regulator is designed for Sullair rotary screw air compressors, compatible with a wide range of models including the LS, ES, and ST series. It can serve as a direct replacement for the original OEM part with no modification required.
- OEM Reference: Sullair 406929
- Applicable for: Sullair LS-10, LS-16, ES-8, ST series and equivalent systems
- Fitting Type: Standard thread connection, easy installation
Please contact us for specific compatible models.
Quality Assurance
Each pressure regulator undergoes multiple precision inspections before shipment, including:
- Pressure response and stability test
- Air leakage test under 1.5× rated pressure
- Surface finish and dimensional accuracy verification
- Endurance test simulating continuous on-off cycles
These ensure every unit meets or exceeds OEM performance standards.
Installation and Maintenance Tips
- Install the regulator on a clean, dry section of the air pipeline to prevent contamination.
- Regularly check for clogging or debris inside the valve chamber.
- Replace seals periodically if signs of leakage appear.
- Avoid overtightening the fitting during installation — ensure proper torque to prevent thread deformation.
- With proper maintenance, the 406929 pressure regulator can deliver years of reliable service with minimal performance drift.
Why Choose Our Replacement Regulator
Our Model 406929 pressure regulator offers the same precision and durability as genuine Sullair components, but at a more competitive price. Manufactured under stringent quality control, it boasts reliable performance, strong compatibility, and a long service life, helping to reduce compressor downtime and operating costs.
MAECENAS IACULIS
Vestibulum curae torquent diam diam commodo parturient penatibus nunc dui adipiscing convallis bulum parturient suspendisse parturient a.Parturient in parturient scelerisque nibh lectus quam a natoque adipiscing a vestibulum hendrerit et pharetra fames nunc natoque dui.
ADIPISCING CONVALLIS BULUM
- Vestibulum penatibus nunc dui adipiscing convallis bulum parturient suspendisse.
- Abitur parturient praesent lectus quam a natoque adipiscing a vestibulum hendre.
- Diam parturient dictumst parturient scelerisque nibh lectus.
Scelerisque adipiscing bibendum sem vestibulum et in a a a purus lectus faucibus lobortis tincidunt purus lectus nisl class eros.Condimentum a et ullamcorper dictumst mus et tristique elementum nam inceptos hac parturient scelerisque vestibulum amet elit ut volutpat.
