Keep your oil-injected screw compressor running efficiently with the Atlas Copco 2901162200 Unloader Valve Overhaul Kit. This comprehensive kit provides all the genuine components needed to fully service and overhaul your compressor’s unloader valve, ensuring optimal air quality and performance. Made in Belgium, this kit offers a cost-effective solution compared to purchasing individual parts, simplifying your service parts ordering and follow-up.

Contents
Product Specifications
| Specification | Value |
| Weight | 550 g |
| Width | 110 mm |
| Height | 110 mm |
| Length | 160 mm |
| Additional Information | OVERHAUL UNLOADER KIT |
| Country of Origin | BE (Belgium) |
| Customs Tariff Code | 8487900000 |
| Possibility to Return | Yes |
| SAC Code | 1 – Stocked item |
Components Included in the Kit
This kit contains all the necessary genuine air compressor parts for a complete unloader valve overhaul:
| Description | Quantity |
| ASSEMBLY | 1 |
| GUIDE | 1 |
| BUSHING | 1 |
| O-RING 129.5X3 | 1 |
| TUBE GREASE | 1 |
| O-Ring | 2 |
| O-RING | 1 |
| O-RING 124.5 X 3 | 1 |
| BUSHING | 1 |
| WASHER PLAIN | 2 |
| RING | 1 |
| WASHER M16 | 1 |
| HEX. SOCK M 8X70X10.9 | 2 |
| SPRING | 1 |
| TAPE | 1 |
| SEAL | 1 |
| INLET VALVE | 1 |
| SCREW | 2 |

Frequently Asked Questions
1. Why is an unloader valve overhaul important for my compressor?
Overhauling the unloader valve ensures your compressor starts smoothly, efficiently manages air intake, and maintains consistent pressure. A well-maintained unloader valve is crucial for extending the lifespan of your compressor and optimizing energy consumption.
2. What type of compressor is this kit designed for?
This kit (part number 2901162200) is specifically designed for oil-injected screw compressors. Always confirm compatibility with your compressor’s model and existing part numbers.
3. What are the benefits of buying this overhaul kit instead of individual parts?
This kit offers significant advantages, including being more cost-effective than purchasing each component separately and simplifying your inventory management with a single part number for follow-up. Genuine parts also guarantee optimal air quality and performance.
4. How often should I overhaul my unloader valve?
The frequency of unloader valve overhauls depends on your compressor’s operating hours, environmental conditions, and specific maintenance schedule. Refer to your compressor’s service manual for recommended intervals.
5. Is professional installation required for this overhaul kit?
Given the critical nature of the unloader valve, it’s highly recommended that this overhaul be performed by a qualified Atlas Copco supplier like Seadweer. Proper installation ensures correct function and prevents potential damage to your compressor.
More Valve Kits List
If you need other Atlas Copco air compressor valve kits, we provide more models in the table below or you can submit your requirements to us directly.
| Part Number | Part Name | Part-Number |
| 9753550104 | BUTTERFLY VALVE DN100/31310 | 9753-5501-04 |
| 9753550110 | 2-WAY VALVE DN200 31310-200 | 9753-5501-10 |
| 9753550123 | BUTTERFLY VALVE DN80/38310 | 9753-5501-23 |
| 9753550221 | DN65 CS CHECK VALVE / 55101 | 9753-5502-21 |
| 9753550224 | BUTTERFLY VALVE DN125/55101 | 9753-5502-24 |
| 9753550227 | VALVE DN250 PN10 | 9753-5502-27 |
| 9753550253 | CHECK VALVE RK46 DN15 | 9753-5502-53 |
| 9753550260 | NON RETURN VALVE RVH-10-PLR-ED | 9753-5502-60 |
| 9753550265 | NON RETURN VALVE RK66 DN15 | 9753-5502-65 |
| 9753550313 | NON RETURN VALVE DS 2 | 9753-5503-13 |
| 9753550363 | +CHECK VALVE G1+++ | 9753-5503-63 |
| 9753550415 | DECOMPRESSION VLV/2-WAY VALVE | 9753-5504-15 |
| 9753550417 | BALL VALVE 17482 DN40 | 9753-5504-17 |
| 9753550446 | BALLVALVE DN 40 R 1 1/2+ | 9753-5504-46 |
| 9753550461 | BALL VALVE 2-WAY 1/4+ | 9753-5504-61 |
| 9753550462 | SHUT OF VALVE R3/8+ | 9753-5504-62 |
| 9753550464 | VALVE R3/4+ 50464 | 9753-5504-64 |
| 9753551113 | SAFETY VALVE REGO R1/2 | 9753-5511-13 |
| 9753551124 | SAFETY VALVE HM-72 R3/4 | 9753-5511-24 |
| 9753552211 | NON RETURN VALVE DN65 50221-1 | 9753-5522-11 |
| 9753552221 | VALVE DN80 50222-1 | 9753-5522-21 |
| 9753552231 | DN100 CS CHECK VALVE /55111 | 9753-5522-31 |
| 9753552241 | DN125 CS CHECK VALVE /55111 | 9753-5522-41 |
| 9753552551 | PNEUM. SWITCH OVER VALVE 338-0 | 9753-5525-51 |
| 9753554131 | BALL VALVE 67112 DN15/PN40 | 9753-5541-31 |
| 9771096167 | VAL 11 001 SWITCHING VALVE | 9771-0961-67 |
| 9771098044 | HP check valve | 9771-0980-44 |
| 9771098109 | valve 140 part | 9771-0981-09 |
| 9771098175 | valve assy | 9771-0981-75 |
| 9771098188 | VALVE CABLE | 9771-0981-88 |
| 9771098189 | safty valve 7.7MPA-ZG1/2 | 9771-0981-89 |
| 9771098225 | valve part | 9771-0982-25 |
| 9771098226 | valve part | 9771-0982-26 |
| 9771098227 | valve part | 9771-0982-27 |
| 9771098514 | HIGH PRESSURE CHECK VALVE | 9771-0985-14 |
| 9771098525 | WATERPROOF SOLENOID VALVE | 9771-0985-25 |
| 9771098529 | VALVE-FILME COMPRESSOR | 9771-0985-29 |
| 9771098530 | VALVE-FILME COMPRESSOR | 9771-0985-30 |
| 9771098656 | ELECTROMAGNETIC VALVE | 9771-0986-56 |
| 9771098657 | safty valve3.9MPA-ZG1/2 | 9771-0986-57 |
| 9771098663 | valve150shim | 9771-0986-63 |
| 9771098664 | valve150shim | 9771-0986-64 |
| 9771098665 | 2 stage valve shim | 9771-0986-65 |
| 9771098666 | 2 stage valve shim | 9771-0986-66 |
| 9771099126 | 2stg valve shim | 9771-0991-26 |
| 9771099127 | 3stg valve part | 9771-0991-27 |
| 9771099128 | 2nd valve seal | 9771-0991-28 |
| 9820600703 | VALVE VK50 | 9820-6007-03 |
| 9829115302 | VALVE-FILME COMPRESSOR | 9829-1153-02 |
| 2202260608 | THERMOSTATIC VALVE 3/4+ | 2202-2606-08 |
Ensure peak performance and extend the life of your compressor!
Don’t let a worn unloader valve compromise your compressed air system. The Atlas Copco 2901162200 Unloader Valve Overhaul Kit provides everything you need for a complete, reliable repair. Invest in genuine Atlas Copco parts for unparalleled quality and peace of mind.
Order your overhaul kit today and keep your operations running smoothly and efficiently!





















Revis –
Excellent Overhaul Kit!
The Atlas Copco 2901162200 Unloader Valve Overhaul Kit from Seadweer Air Compressor Co. brought my compressor back to life! Every component in the kit was high-quality and fit perfectly. The overhaul was smooth, and my unloader valve is now functioning like new. Seadweer truly delivers reliable parts.