Atlas Copco Screw Air Compressor Spare Parts Pressure Regulator
The pressure regulator 1614644900 is a high-precision pneumatic control component used in Atlas Copco screw air compressors. It ensures stable discharge pressure and smooth airflow across varying load conditions. Designed with an advanced flow control mechanism and wear-resistant internal components, it delivers consistent regulation accuracy, helping your compressor operate efficiently and reliably under continuous-duty environments.
| Application |
Air Compressor |
|---|---|
| Material |
Corrosion-Resistant Aluminum ,Stainless Steel |
The 1614644900 pressure regulator functions as a core element of the air-end control system, automatically maintaining the system pressure within the preset range. It directly influences compressor startup, load/unload transition, and energy efficiency.
By balancing the air inlet and outlet through pressure feedback, it prevents unstable fluctuations that may cause vibration, energy waste, or premature wear in the air-end bearings and valves.
This model is widely used in GA / GX / Z series Atlas Copco screw compressors and their equivalent units.
Design & Construction
The regulator’s body is precision-machined from high-density aluminum alloy, treated with a hard anodized coating for enhanced corrosion and fatigue resistance.
The valve core adopts stainless-steel piston technology, providing excellent resistance to oil contamination and pressure pulsation.
A dual-spring balancing mechanism ensures smooth pressure transitions without delay, while the diaphragm chamber is made from reinforced fluororubber (FKM) that retains elasticity and sealing capability even under long-term heat and oil exposure.
All flow channels are designed with polished internal bores, reducing friction loss and ensuring quick pressure recovery during rapid load changes.
Working Principle
When the compressor starts, the pressure regulator monitors discharge pressure via its pilot control port.
If the system pressure drops below the set value, the regulator opens the air passage, allowing higher intake air to maintain the desired output.
If pressure rises beyond the threshold, the valve partially closes to limit intake air volume, stabilizing the output pressure.
This closed-loop control process operates continuously and automatically, providing precise air control without manual adjustment. The proportional regulation design prevents “pressure hunting,” ensuring smooth operation across all load conditions.
Performance Highlights
- Fast Response Time: Pilot-controlled valve reacts quickly to sudden load changes.
- Stable Air Pressure: Maintains ±0.05 MPa accuracy under dynamic conditions.
- Long Service Life: Anti-wear components extend operational lifespan under 24-hour use.
- Low Noise Regulation: Optimized air passage design minimizes flow turbulence.
- Oil & Moisture Resistance: Internal seals designed for lubricated air environments.
- Energy-Saving Operation: Reduces unnecessary compressor cycling and power consumption.
Quality Control & Testing
Every 1614644900 regulator undergoes a three-stage inspection process:
- Dimensional Verification: CNC tolerance control within ±0.02 mm.
- Pressure Simulation Test: Performance checked under 0–16 bar range.
- Leakage and Hysteresis Test: Ensures precise pressure repeatability.
Products are assembled in a clean environment and tested according to ISO air quality standards, ensuring each unit meets industrial-grade reliability.
Compatibility
The 1614644900 pressure regulator is compatible with various Atlas Copco screw compressor models, including:
- GA / GX / GR Series (oil-injected)
- ZT / ZR Series (oil-free)
- Compatible with earlier-generation control systems using identical regulator configurations.
For exact matching, please verify your compressor model and serial number before ordering.
Installation & Maintenance Tips
- Install vertically with air flow following the direction indicated on the housing.
- Avoid excessive torque on threaded connections to prevent air leakage.
- Check filter cleanliness before installation; debris can affect valve response.
- Inspect diaphragm and O-rings during routine maintenance every 6000 hours.
- Replace the regulator if internal leakage or unstable pressure behavior occurs.
MAECENAS IACULIS
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