Pressure Regulator Regulating Valve 1619533811 fit Atlas Copco Air Compressor
The pressure regulator 1619533811 is an advanced pneumatic control component designed for Atlas Copco screw air compressors. It ensures consistent pressure output and smooth system operation through precise airflow modulation and durable sealing performance. Engineered for continuous-duty compressors, this regulator optimizes energy use and protects key components from overpressure, extending overall equipment life.
| Application |
Air Compressor |
|---|---|
| Material |
Corrosion-Resistant Aluminum ,Stainless Steel |
The 1619533811 pressure regulator is a multi-stage control valve that manages the air pressure between the compressor air-end, cooler, and discharge line. Its function is to automatically adjust system pressure during load/unload cycles, maintaining stability under both low- and high-demand conditions.
By using a proportional control mechanism, it minimizes system pulsation and reduces air pressure spikes that could otherwise cause mechanical stress or excessive energy consumption. The regulator works seamlessly with Atlas Copco’s electronic control systems, ensuring synchronized operation between the air-end and the control module.
Construction & Materials
This pressure regulator features a precision-machined aluminum alloy housing with an anodized surface for corrosion resistance. The internal flow channels are CNC milled to ensure uniform air distribution and minimize valve pressure drop.
Key structural components include:
- Valve core and stem: Made of 304/316 stainless steel, offering excellent wear and corrosion resistance.
- Sealing system: Employs a composite sealing ring of fluororubber (FKM) and polytetrafluoroethylene (PTFE), maintaining elasticity and airtightness even at high temperatures.
- Balance spring assembly: Utilizes heat-treated alloy steel to ensure stable compression force and smooth response to load changes.
- Diaphragm assembly: Reinforced with fiber mesh for enhanced fatigue resistance during continuous operation.
Each component is manufactured with tight tolerances to maintain long-term dimensional stability even under high-pressure cycling.
Function & Working Principle
The pressure regulator 1619533811 operates as part of the compressor’s automatic control circuit, continuously monitoring system pressure and adjusting airflow accordingly.
Operating sequence:
- Start-up phase: When the compressor begins operation, the regulator maintains a bypass state to allow gradual pressure buildup.
- Load phase: As air pressure reaches the threshold, the valve opens fully, ensuring steady discharge airflow.
- Unload phase: When system demand decreases, the regulator partially closes to reduce intake air, keeping idle pressure within preset limits.
- Dynamic feedback: A pilot signal ensures real-time correction for pressure drift or sudden load fluctuations.
This closed-loop pneumatic feedback design enhances response accuracy while preventing air surges and reducing compressor cycling frequency.
Performance Advantages
- High Regulation Accuracy: Maintains steady pressure with minimal deviation (<±0.03 MPa).
- Enhanced Durability: Internal sealing and piston assemblies are oil- and heat-resistant for extended service intervals.
- Smooth Transition: Prevents air hammer effects during load switching.
- Energy Efficiency: Minimizes wasted power during idle and unload states.
- Low Maintenance Requirement: Designed for easy disassembly and seal replacement.
- Compact Design: Simplifies installation within tight compressor layouts.
Quality Control & Testing
Each 1619533811 regulator is tested under simulated compressor conditions before shipment:
- Static pressure test: Verifies valve integrity up to 16 bar.
- Dynamic leak test: Confirms no air leakage under variable load.
- Cycle endurance test: Over 500,000 open/close operations without failure.
- Temperature tolerance test: Ensures stable function between −20°C to 120°C.
These procedures comply with ISO 9001 and CE industrial standards, ensuring each regulator delivers consistent reliability.
Installation Recommendations
- Mount vertically, ensuring air flow follows the marked direction.
- Check all sealing interfaces before installation to prevent leakage.
- Avoid contamination from oil sludge or debris in the air system.
- Replace sealing rings periodically for optimal performance.
- Calibrate system pressure settings according to manufacturer guidelines.
OEM Cross Reference
- Part No.: 1619533811
- Brand: Atlas Copco
- Category: Screw Air Compressor Pressure Regulator
- Replacement Type: OEM-equivalent / direct-fit compatible
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