Wholesale Screw Air Compressor Intake Unloader Unloading Valve for Atlas Copco
High-performance unloading valve designed for Atlas Copco screw air compressors, part number 1092130300. Built for long-term stability, precision air control, and corrosion resistance, ensuring efficient compressor startup and load transition.
| Application |
Screw Air Compressor |
|---|---|
| Material |
Aluminum ,Stainless Steel |
The Atlas Copco Unloading Valve 1092130300 is an essential control component in the air intake system of screw air compressors. It precisely regulates the transition between loaded and unloaded operation, maintaining smooth pressure balance during startup and stopping sequences. This valve prevents unnecessary mechanical load and energy loss, ensuring stable and efficient compressor performance in demanding industrial environments.
Material and Structure
Unlike traditional brass unloading valves, this model is crafted from a high-strength aluminum alloy housing with anodized anti-corrosion surface treatment. The inner core components, including the piston and valve seat, are made of hardened stainless steel for wear resistance and dimensional stability under high temperature and pressure.
A fluoroelastomer sealing ring (FKM) ensures excellent sealing performance against oil mist and heat, while the internal sliding mechanism adopts precision grinding to reduce friction and extend service life.
Working Principle
The unloading valve 1092130300 works in coordination with the air compressor control system.
- During startup, the valve remains open, allowing the compressor to run under no-load conditions for smooth acceleration.
- Once the target pressure is reached, the valve closes, enabling the compressor to enter full-load operation.
- During pressure release or shutdown, the valve reopens, rapidly discharging internal pressure to protect the screw element and bearings from overpressure.
This automatic cycling process reduces mechanical stress and enhances energy efficiency during long-term operation.
Manufacturing and Quality Control
Each pressure relief valve is CNC machined with extremely small dimensional tolerances. The surface of each part undergoes precision cleaning and ultrasonic degreasing to remove residual oil or particles.
Before leaving the factory, each valve undergoes the following tests:
- Air tightness test
- Response time consistency test
- Temperature resistance test
- Simulated compressor operating conditions with over-long-term cycle durability test
These procedures ensure that each valve meets original equipment manufacturer (OEM) performance standards.
OEM Reference and Compatibility
OEM Part Number: 1092130300
Compatible Brand: Atlas Copco Screw Air Compressor Series
Suitable for several GA and GX models, as well as other equivalent Atlas Copco rotary screw compressors sharing the same air control configuration.
(Model compatibility can vary; please confirm before ordering.)
| Part Numbers | |||||||
|---|---|---|---|---|---|---|---|
| 1613681801 | 1613900884 | 2911000000 | 1617238400 | 2901046100 | 2910300200 | 1622963900 | 1623079485 |
| 1622171383 | 2901145300 | 2901000500 | 2901021200 | 1613679300 | 2906020100 | 2901141100 | 2901084001 |
| 1622316200 | 1625005540 | 2901000600 | 2901108401 | 1622171300 | 2901139900 | 2901099700 | 2205490598 |
| 1622316285 | 2906009500 | 3015500606 | 2200900943 | 1613900800 | 1614647680 | 1617238400 | 2906063320 |
| 1613814400 | 2901099700 | 1622963900 | 2906038000 | 1614900883 | 1513040081 | 2901021200 | 2901021701 |
| 1614900801 | 3001500626 | 2901084001 | 2901145300 | 1613815000 | 2906095900 | 2901108401 | 2901021200 |
We also offer intake unloading valves with the above part numbers. Please feel free to contact us if needed.
Key Advantages
- Non-brass construction: Lightweight, corrosion-resistant aluminum alloy body with stainless steel internals.
- High sealing integrity: FKM seals maintain stable performance under oil mist and temperature fluctuations.
- Fast response and stable regulation: Ensures smooth transition between load states without pressure shocks.
- Energy efficiency: Reduces no-load running time and lowers compressor power consumption.
- Easy maintenance: Modular design allows quick disassembly for cleaning or seal replacement.
Maintenance Recommendations
- Regularly check valve operation during compressor startup and stop sequences.
- Replace sealing components every 6,000–8,000 working hours or when signs of leakage appear.
- Keep the valve and air intake clean to prevent contamination or dust-induced sticking.
- Avoid applying oil incompatible with FKM seals.
Why Choose Our Replacement Valve
Our 1092130300 unloading valve is produced to OEM-equivalent precision and tested for real-world compressor environments. With optimized internal flow paths and premium sealing materials, it delivers reliable performance and lower lifecycle cost compared to conventional aftermarket alternatives. It’s the ideal solution for users seeking both durability and operational accuracy.
MAECENAS IACULIS
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