Atlas Copco 1614761873 Rotor MD300 IMS-2L là phụ tùng chính hãng Atlas Copco do Á Đông Group phân phối tại Việt Nam. Sản phẩm cam kết 100% chính hãng (Original Genuine), phù hợp thay thế theo đúng mã, giao hàng nhanh và hỗ trợ kỹ thuật tra cứu mã phụ tùng.
Atlas Copco 1614761873 Rotor MD300 IMS-2L là phụ tùng chính hãng Atlas Copco do Á Đông Group phân phối tại Việt Nam. Sản phẩm cam kết 100% chính hãng (Original Genuine), phù hợp thay thế theo đúng mã, giao hàng nhanh và hỗ trợ kỹ thuật tra cứu mã phụ tùng.
| Thương hiệu | Atlas Copco |
| Mã phụ tùng (SKU) | 10906 |
| Delivery Time | 5-15 Working Days |
| MOQ | 1 Pcs |
| Package | Original Package |
| Packaging Details | Wooden Box |
| Place of Origin | BE |
| Product Quality | 100% Original Genuine, 100% Original Parts |
| Mã phụ tùng | Loại |
|---|---|
| 1614761873 | Phụ tùng Atlas Copco chính hãng |
The 1614761873 is the rotary dryer drum assembly at the core of Atlas Copco MD 300 and MD 400 heat-of-compression adsorption dryers. The drum carries a honeycomb molecular-sieve medium that adsorbs water vapour from compressed air as the drum rotates slowly through distinct drying, regeneration and cooling sectors. This single component determines whether the dryer delivers its rated pressure dew point across thousands of operating hours.
Technical Specifications
Attribute
Value
Part number
1614761873
Product type
Dryer drum rotor assembly (heat-of-compression adsorption dryer)
Application
Atlas Copco MD 300 and MD 400 series dryers
Matching compressors
ZT / ZR 110 – 145 oil-free screw compressors
Rotor assembly number
614743
Hub number
3643
Rotor total length
600 mm (tolerance ±0.5)
Jacket diameter
496 mm (tolerance ±2)
Distance to sealing
576 mm (tolerance +0 / −1.5)
Sealing gap
< 3 mm
Test air velocity
3 m/s
Preheated pressure drop (ΔP)
220 Pa
Design variant
Standard molecular sieve (silicone-tolerant installations)
Factory Inspection and Tolerance Data
Each 1614761873 drum leaves the factory with a recorded inspection sheet. The measurements below confirm that the drum meets the dimensional tolerances required for correct sealing and rotation inside the dryer housing.
Inspection item
Tolerance
Measured value
End parallelism (Side A / B)
≤ 1.0 mm
1.0 mm
Sealing side A
0.3 mm (±0.1)
0.3 mm
Sealing side B
0.3 mm (±0.1)
0.3 mm
Axial displacement — Side A
≤ 1.0 mm
0.4 mm
Axial displacement — Side B
≤ 1.0 mm
0.2 mm
Rotor total length
600 mm (±0.5)
600.4 mm
Jacket diameter
496 mm (±2)
496.5 mm
These values matter because the drum rotates inside a machined housing with narrow sealing gaps. A drum that exceeds the parallelism or axial-displacement tolerance will allow wet air to bypass the desiccant sectors. The result is a rising dew point that the dryer control system cannot correct.
Atlas Copco MD300 IMS-2L Dryer Drum 1614761873 (1)
How the Heat-of-Compression Drum Works
Three sectors in one rotation
The MD 300 and MD 400 dryers use the heat of compression as their regeneration energy source. Hot discharge air from the oil-free compressor enters the drum and passes through the molecular-sieve medium. Water molecules adhere to the sieve surface while dry air continues to the outlet. Because the air arrives at roughly 100 °C from a two-stage oil-free compressor, the drying process needs no external heater.
As the drum rotates, the saturated sector moves into the regeneration zone. A controlled fraction of the dried air expands across a nozzle into the sector, picking up the moisture that the sieve had adsorbed. The regenerative air carries that moisture out through the purge outlet. A third sector passes through the cooling zone, where a small flow of ambient air lowers the sieve temperature so it is ready to adsorb again.
Why the drum rotates slowly
The 1614761873 turns at a fraction of one revolution per minute. The slow speed gives each sector enough residence time in the drying zone to reach adsorption equilibrium before it rotates into regeneration. Faster rotation would shorten the contact time and leave moisture on the sieve. Slower rotation would reduce the effective drying capacity because too small a fraction of the drum face would face the wet inlet flow at any moment.
Atlas Copco MD300 IMS-2L Dryer Drum 1614761873 (2)
Drum Structure and Layer Architecture
The 1614761873 is not a single block of desiccant. It is a layered asse
Á Đông Group – Nhà phân phối phụ tùng máy nén khí Atlas Copco chính hãng tại Việt Nam. Tư vấn kỹ thuật, hỗ trợ tra cứu mã phụ tùng, giao hàng nhanh & bảo hành toàn quốc. Website: sullivan-palatek.vn
