Atlas Copco Air Compressors

Atlas Copco 1616630581 OFS O-21 Oil-Free Screw Air End
PRODUCT PARAMETERS
- Brand: Atlas Copco
- Part Number: 1616630581
- Air End Model: OFS O-21
- Country of Origin: Atlas Copco Genuine Original Factory
- Delivery Time: In Stock, Ready for Shipment
- Unit Price: $70,000 – $80,000 Per Piece
- Payment Terms: T/T, L/C, Western Union, Credit Card, PayPal, Alibaba Trade Assurance
- Net Weight: 68 KG
- Product Dimensions (L × W × H): 700 × 500 × 620 mm
- Export Packing Size: 760 × 560 × 680 mm
- Rotor Profile: Atlas Copco Original Oil-Free Dry Twin Rotor Profile
- Packing Type: Anti-Vibration Export Wooden Crate with Moisture-Proof Film
- Shipping Methods: Sea Freight, Air Freight, International Express, Land Trucking
- Shipping Terms: EXW, FOB, CFR, CIF, DDP, DDU
- Official Warranty: 12 Months Factory Original Warranty
- Minimum Order Quantity: 1 Piece
Description
Atlas Copco 1616630581 air end, OFS O-21 genuine air end, 100% original Atlas Copco oil-free screw air end, Atlas Copco original OFS O-21 rotor head, 1616630581 oil-free compressor air end, Atlas Copco genuine oil-free compressor core part
Product Overview
Atlas Copco 1616630581 OFS O-21 is a 100% factory genuine original oil-free twin screw air end, the core dry compression component exclusively manufactured by Atlas Copco for its industrial oil-free screw air compressors. Every unit is fully produced, assembled, calibrated and inspected at official Atlas Copco manufacturing workshops without any aftermarket modification, refurbished parts or third-party substitution.

Adopting Atlas Copco proprietary dry oil-free rotor design, original high-strength anti-corrosion cast iron housing, factory-matched high-speed precision bearings and food-grade high-temperature sealing components, this genuine OFS O-21 air end delivers 100% oil-free pure compressed air with zero oil contamination risk. It maintains ultra-low internal air leakage, stable volumetric efficiency and low vibration noise, supporting 24/7 non-stop heavy-duty operation in pharmaceutical, food & beverage, electronics manufacturing and laboratory environments that require high-purity clean air.
As fully authentic original factory hardware, it perfectly matches all installation dimensions, connection ports and operating parameters of matched Atlas Copco oil-free compressor units, fully restoring the factory-designed air output and pressure performance of your equipment. It effectively solves unstable air flow, pressure drop and rotor wear faults caused by aging original air ends, extending the whole machine service life and eliminating product contamination risks for precision production lines.
Key Original Product Highlights
- 100% Genuine Atlas Copco Factory Original, complete official factory inspection certificate & component traceability record
- Exclusive patented dry oil-free twin rotor design, zero oil injection during compression to ensure Class 0 oil-free air quality
- Full factory dynamic balance, air tightness and pressure load testing before factory delivery
- Zero modification required, direct plug-and-play assembly for matching Atlas oil-free screw compressors
- Original wear-resistant high-speed bearings & high temperature resistant food-grade sealing kits
- Ultra-low vibration & quiet stable continuous heavy-duty running for long-term industrial use

Full Technical & Logistics Specification Table
| Specification Item | Original Factory & Logistics Parameter |
|---|---|
| Official Part Number | 1616630581 |
| Air End Model Code | OFS O-21 |
| Brand & Manufacturer | Atlas Copco |
| Product Identity | 100% Brand New Genuine Original Oil-Free Air End |
| Compression Structure | Single-stage Dry Oil-Free Twin Screw Compression |
| Rotor Profile | Atlas Copco Original Dry Oil-Free Twin Rotor Profile |
| Matched Equipment | Original Atlas Copco Industrial Oil-Free Screw Air Compressor |
| Housing Material | Original Anti-Corrosion High-Strength Gray Cast Iron |
| Rotor Material | Original Precision Machined Anti-Wear Alloy Steel |
| Standard Net Weight | 68 KG |
| Overall Product Dimension (L×W×H) | 700 × 500 × 620 mm |
| Export Packing Outer Size | 760 × 560 × 680 mm |
| Packing Method | Export Standard Solid Anti-Vibration Wooden Crate, Moisture-Proof Plastic Film Wrapped |
| Stock Status | In Stock, Ready for Immediate Dispatch |
| Lead Time | Same-day shipment once payment confirmed |
| Minimum Order Quantity | 1 Piece |
| Payment Options | T/T, Irrevocable L/C, Western Union, Credit Card, PayPal, Alibaba Trade Assurance |
| Available Shipping Terms | EXW, FOB, CFR, CIF, DDP, DDU Global Door-to-Door Delivery |
| Transport Options | Sea Freight, Air Freight, International Express, Overland Trucking |
| Official Warranty | 12 Months Factory Original Warranty |
| Factory Certification | ISO9001, CE, Class 0 Oil-Free Air Standard |
| Applicable Industries | Pharmaceutical Production, Food & Beverage Processing, Electronics Manufacturing, Laboratory, Medical Equipment, Precision Instrument Manufacturing |
FAQs
All new units are original factory genuine with official serial numbers, complete traceability, and factory certification. No copies, modified, or rebuilt machines.
Every used unit is professionally inspected, tested, cleaned, serviced, and load-run before sale. They are in stable working condition with reliable performance.
Yes. We provide serial number, actual working hours, configuration, photos, and test run reports for each used machine before order confirmation.
- We supply three main categories:
- Portable/mobile compressors
- Oil-injected screw compressors
- Oil-free screw compressors
- Both new and used are available.







