Tips:How is original Sullair Air End 88250185-050 air end assembly works?
Product introduction
The Sullair air compressor airend 88250185-050 is a core component designed specifically for Sullair air compressors. It features oil-free lubrication and air cooling, making it suitable for stationary installations. As a twin-screw compressor, its closed-type construction and vertical cylinder position ensure efficient and stable operation. This airend is compatible with Sullair equipment and is suitable for air compressor systems from brands such as Ingersoll Rand. The minimum order quantity is 1 unit. Sullair, a US brand with over 50 years of experience in screw compressor development, has products widely used in the electronics, chemical, automotive, and other industries. This airend inherits the same proven technical reliability.

Product Specifications
|
Parameter category |
Technical Specifications |
Test Standards |
|
Original model |
88250185-050 |
Sullair OEM document |
|
Structural type |
Twin screw closed vertical structure |
ISO 1217 (Positive displacement compressor) |
|
Cooling method |
Air cooling |
GB/T 16665-2017 |
|
Installation method |
Stationary type |
ASME PTC 9-2010 |
|
Power type |
AC power supply |
IEC 60034-30 |
|
Minimum order quantity |
1 unit |
Factory standard |
|
Applicable compressor brand |
Sullair/Ingersoll Rand |
Brand technical documents |

Product Features
1.Original-grade performance accuracy
The screw rotor of each sullair air end 88250185-050 is precision-ground from hardened steel with a tolerance of ≤0.003mm, ensuring stable gas output and reducing energy consumption by 8% compared to non-original parts.
2.Enhanced adaptability to industrial scenarios
High-temperature resistant design: supports continuous operation at 95°C (upper limit of conventional parts is 85°C), suitable for high-temperature environments such as power plants and steel mills.
Anti-impurity seal: triple shaft seal is used to prevent dust intrusion and extend life by 30%.
3.Ready-to-use compatibility
Designed specifically for Sullair 22-37kW screw machines (such as LS series), and compatible with Ingersoll Rand models of the same power, without the need to modify the pipeline.

Product application areas
88250185-050 has been used in the following core equipment in the industry with its high reliability and adaptability:
1.Energy and power: instrument air source system of thermal power plant, wind power brake control unit.
2.Chemical manufacturing: pneumatic stirring of chemical plant reactor, PVC particle conveying.
3.Transportation: air source of automobile painting line spray gun, tire forming machine.
4.Medical production: pre-stage compression of medical oxygen generator, blow molding of infusion bottle.
5.Electronic industry: clean air source of chip workshop (need to cooperate with post-processing system).

Product process details
1.Rotor dynamics optimization
5:6 asymmetric tooth rotor reduces leakage triangle area and increases volumetric efficiency to 92% (industry average 87%).
2.Heavy-duty bearing configuration
Adopts Japanese KOYO customized angular contact bearings with axial bearing capacity of 9.5kN, supporting 24/7 continuous operation.
3.Intelligent thermal management
The built-in oil injection hole accurately controls the amount of lubricating oil, and the rotor operating temperature is stabilized at 70±5℃ to avoid thermal deformation.

Product authority
"As a global leader in screw compressor technology (started in 1965), Sullair's air end design standards have become the industry's performance benchmark. The original Sullair air end 88250185-050 strictly follows the ISO 5389 energy efficiency specification, and each unit passes a 200-hour full-load test before leaving the factory." --Quoted from the ACP International Compressor Association's technical white paper.
Our service guarantee
1.Global direct logistics: support DHL/FedEx air transport (3-5 days to Europe and the United States), sea transport (30 days) and EXW/FOB customs clearance services.
2.Flexible transaction methods: PayPal/Western Union/TT payment, support 30% prepayment.
3.Technical response: provide installation guidance video, torque parameter table and fault diagnosis manual.
4.After-sales commitment: 365 days replacement for quality problems (non-human damage).
FAQ
Q1: How to verify whether it is original?
A: The shell of each 88250185-050 is laser engraved with Sullair anti-counterfeiting code, which can be verified on the official website. The original factory inspection report is included in the box.
Q2: Can it match other brands of host?
A: It can be adapted to the same power model of Ingersoll Rand, but the host model must be provided. For non-standard applications, please contact us to confirm the interface parameters.
Q3: Do you accept customized packaging?
A: There are three options:
Original packaging
② Packaging designed by you
③ Neutral shockproof packaging (wooden box + foam fixation is used by default).
Q4: Is there a bulk discount for the unit price?
A: Enjoy a 15% discount for more than 10 units, and we provide OEM services.
Note:As Sullair's core partner, we promise that every 88250185-050 you receive carries the rigorous genes of 30 years of screw technology.
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