Pressure Regulating Valve 1621039900 fit Atlas Copco Screw Air Compressor
The Atlas Copco pressure regulator 1621039900 is a precision-engineered control component designed to maintain consistent system pressure in screw air compressors. Featuring a robust aluminum body, stainless steel valve core, and heat-resistant sealing assembly, this regulator ensures accurate pressure modulation, extended service life, and smooth operation under demanding industrial conditions.
| Application |
Air Compressor |
|---|---|
| Material |
Corrosion-Resistant Aluminum ,Stainless Steel |
The 1621039900 pressure regulating valve is a key element in the pneumatic control circuit of Atlas Copco oil-injected screw air compressors. It automatically adjusts air discharge pressure during loading and unloading cycles, ensuring smooth system transitions and preventing overpressure or pressure drops that may compromise compressor efficiency.
By balancing intake and discharge flow through a finely tuned pilot valve mechanism, this regulator helps maintain optimal working conditions — minimizing energy waste, extending compressor lifespan, and protecting downstream components such as air dryers, coolers, and filters.
Structural Design & Material Composition
The 1621039900 pressure regulator combines advanced flow engineering with durable construction materials to achieve precise control and long service reliability.
Key design highlights include:
- Valve Housing: Made from high-strength anodized aluminum, providing corrosion resistance and stable dimensional performance under thermal expansion.
- Core & Seat Assembly: CNC-machined stainless steel (SUS304/SUS316) ensures high sealing precision and wear resistance.
- Sealing System: High-temperature fluorocarbon rubber (Viton) paired with PTFE composite rings, maintaining elasticity and low friction even at 120°C.
- Spring & Diaphragm: Multi-stage balancing spring and reinforced diaphragm design deliver rapid response with minimal hysteresis, ideal for continuous-duty compressors.
- Flow Channels: Internal airflow passages are optimized via CFD (Computational Fluid Dynamics) analysis, achieving smoother transitions and lower pressure losses.
This design enables the regulator to deliver stable performance across varying loads and environmental temperatures.
Functional Characteristics
The 1621039900 regulator operates as part of the compressor’s intelligent control system, maintaining constant outlet pressure through dynamic modulation of airflow.
Working principle:
- Load condition: When the system pressure falls below the preset level, the valve opens proportionally, increasing air supply.
- Stable condition: The regulator maintains pressure within ±0.02 MPa of the set value, ensuring optimal air delivery.
- Unload condition: When pressure exceeds the upper threshold, the valve gradually closes, reducing intake flow to avoid
- Feedback loop: Integrated pilot passages ensure immediate pressure correction, balancing response speed with energy efficiency.
This automatic closed-loop control ensures consistent air pressure output, protecting the compressor from mechanical shock and ensuring high operating stability.
Performance & Benefits
- Precision Control: Maintains outlet pressure stability within tight tolerances.
- Reduced System Wear: Smooth regulation avoids sudden surges and vibrations.
- Thermal Resistance: Works reliably in ambient temperatures up to 120°C.
- Corrosion Protection: Anodized and passivated metal surfaces resist oil and moisture degradation.
- Energy Optimization: Enhances compressor efficiency by reducing idle load cycles.
- Long Service Life: Built with premium-grade components for extended maintenance intervals.
Testing & Quality Control
Every 1621039900 regulator undergoes rigorous performance validation before delivery:
- Pressure Endurance Test: 16 bar static pressure verification.
- Leakage Test: <0.2% air loss under maximum pressure conditions.
- Cycle Durability Test: 600,000+ cycles of open/close without failure.
- Thermal Shock Test: Simulated 200-hour operation across 0°C to 120°C.
- Flow Calibration: Ensures consistent pressure accuracy across full operating range.
- All units are produced under ISO certified quality systems to guarantee consistency and reliability.
OEM Reference Information
- Part Number: 1621039900
- Brand: Atlas Copco
- Product Type: Screw Air Compressor Pressure Regulator
- Category: Pneumatic Control Components
- Replacement Type: OEM Equivalent
- Meta Description (SEO Optimized)
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.
