Atlas Copco 1621992902=1621893902 Core Cooler 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 1621992902=1621893902 Core Cooler 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) | 10908 |
| Delivery Time | 3-5 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 |
|---|---|
| 1621992902 | Phụ tùng Atlas Copco chính hãng |
| 1621893902 | Phụ tùng Atlas Copco chính hãng |
The 1621992902 is the service part number for the cooler core used in Atlas Copco ZH-series oil-free centrifugal compressors . It is the finned-tube heat-exchanger core that removes heat from compressed air between compression stages, helping the machine hold its efficiency and protecting downstream components from thermal stress. The core ships as a single replaceable element weighing 252 kg.
Technical Specifications
The table below collects the confirmed identity and dimensional data for the 1621992902 core cooler. These figures come from the Atlas Copco parts listing and define the physical envelope you must match during handling, storage and installation.
Attribute
Value
Part number
1621992902
Description
Core cooler (cooler core / Kuehler)
Production number
1621893902
Origin
Belgium (BE)
HS / tariff code
84199085
Dimensions (W × H × L)
590 × 640 × 1730 mm
Weight
252 kg (252,000 g)
Application
Atlas Copco ZH-series oil-free centrifugal compressors (ZH9000 and similar)
The 1621992902 carries the production number 1621893902 in Atlas Copco s manufacturing system. Both numbers point to the same cooler core, so you can order by whichever number appears on your parts list or service manual.
Atlas Copco Core Cooler 1621893902=1621992902 (1)
How the 1621992902 Core Cooler Works
A centrifugal compressor raises air pressure in several stages. Each stage heats the air, and hot air is harder to compress because it occupies more volume. The 1621992902 sits in the cooling circuit between those stages and pulls heat out of the stream before the next stage sees it.
Inside the core, compressed air travels through a bundle of tubes while the cooling medium moves across the external fin surface. Heat passes from the air through the tube wall and the fins into the cooling medium. That exchange lowers the air temperature, so the following stage receives denser, cooler air and needs less work to reach the target pressure.
Why interstage cooling matters
Without effective cooling, interstage temperature climbs and the whole compression train loses efficiency. Higher temperatures also stress seals, bearings and downstream dryers. The core is therefore a performance part, not just a comfort item — a fouled or leaking core directly raises the unit s power draw and discharge temperature.
Air path and cooling path
The core separates the two flows by the tube wall. Compressed air stays inside the tubes; the cooling medium stays outside on the fin side. The fins multiply the surface area so a compact bundle can still move a large amount of heat. Because the two streams never mix, a tube leak shows up as contamination or pressure loss rather than as blended fluid.
Atlas Copco Core Cooler 1621893902=1621992902 (2)
Construction and Materials
The 1621992902 is a brazed finned-tube core. Thin tubes carry the compressed air, and closely spaced aluminium fins bonded to those tubes spread the heat to the cooling medium. End headers collect and distribute the air, and the whole assembly is mounted in a frame that seals against the compressor housing.
Corrosion resistance
Centrifugal packages run in demanding sites — humid intake air, washdown areas, coastal atmospheres. The core uses corrosion-resistant materials and surface treatment so the fins keep their heat-transfer performance through long service. Good corrosion resistance is what lets the same core serve mining, heavy manufacturing and utility installations.
Why the core is a separate item
Atlas Copco sells the c
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
