Atlas Copco 1616834890 K-44 C106 Oil-Injected Screw Element

Description

The 1616834890 is the Atlas Copco service element of the K-44 stage, listed under the designation OIS ELEMENT K-44 C106. It belongs to the oil-injected screw element family, and the C106 platform code forms part of its official name. Two numbers travel with this stage: the order goes under the service number 1616834890, and the documentation of the installed machine carries the production number 1616834880 for the same stage position.

This article sets out the identity of the element, the platform behind the C106 code, the way an oil-injected screw element works and the handling figures that belong in the renewal plan. Read together, they turn a heavy spare-part order into a routine purchase.

Identity of the 1616834890 Element

Service elements are the heaviest spare parts an oil-injected screw plant orders, and the K-44 sits in a power band where the order has to be right the first time. The designation, the pairing of the two part numbers and the item data together fix the identity of the 1616834890 before any purchase is made.

What the OIS ELEMENT K-44 C106 Designation Covers

The official designation names three things at once. OIS ELEMENT marks the part as an oil-injected screw element, K-44 names the stage size, and C106 identifies the element platform the stage belongs to. The rate group of the item, listed as S3K Oil injected screw, Element, points in the same direction: it places the 1616834890 among the complete serviced assemblies of the oil-injected screw element family rather than among small catalog parts.

At 100.00 kg the element is a machine-room handling job rather than a bench-top swap, which fits the stage size the designation announces. The serviced unit brings the compression core as one assembly, so a renewal with the 1616834890 replaces the working heart of the machine in a single operation. Reading the designation together with the tag on the old element is the fastest way to fix the identity of the part you need.

The Production Number 1616834880 Beside the Service Number

Two numbers describe this element, and both are correct. The 1616834890 is the service number, the reference the order travels under. The 1616834880 is the production number, and it is the reference the documentation of the installed machine carries for the same stage position.

In practice the two numbers meet at the order desk. A plant reads the tag on the old element or opens the machine file, finds the 1616834880, and Seadweer matches it to the service number 1616834890 before the quotation is issued. That match is part of every quotation, so the number in the machine file and the number on the purchase order never contradict each other.

For spare-part planning the pairing keeps the records simple. One line in the maintenance system, under either number, is enough, because both references describe one physical stage and one renewal position. Sites that run several oil-injected screw machines can carry the same convention across the fleet, which keeps audits and parts reviews short.

The C106 Element Platform

The C106 code in the designation is more than a label. It places the K-44 inside a defined element platform that Atlas Copco documents across its oil-injected machine ranges, and that platform is worth a moment of attention before the 1616834890 is ordered.

One Platform Across Oil-Injected Ranges

Official reference material for the portable XAS 400-150 and XAS 400-200 PACE compressors documents the C106 element by name. The parts lists of large stationary GA machines carry C106 service stages of their own, the K-26 stage of the GA 30, GA 37 and GA 45 group among them. The K-44 fills its own position inside this platform family, and the 1616834890 is the number that identifies that position on the service track.

The exact machine list for the K-44 position is set by the build of your machine, and the fastest way to settle it is the code on the old element tag. That tag carries the number your machine was built with, and the fitment check at Seadweer matches it against the 1616834890 in one step, so the platform question ends where the order begins.

Confirming the Right Element Before Ordering

Element renewal is the one spare-part order where the model name alone is not enough. Read the code on the old element tag, note the compressor model and serial, and send all three to Seadweer. The team checks the number against the machine build and confirms the order under the 1616834890, so the element that arrives is the element your machine was designed around.

The same check sorts out the platform question. Elements inside the C106 family share their architecture but differ in stage size and machine position, and the tag code separates them without any guesswork. One pass of verification removes the wrong-part risk entirely, which matters the more the heavier the element is.

How the Oil-Injected Screw Element Works

The Rotors and the Oil Film

The K-44 is an oil-injected screw element, and its working principle explains both its efficiency and its service profile. Two intermeshing helical rotors spin inside a precision-machined housing, the male rotor driven and the female rotor following it. Injected oil seals the running clearances between the rotors, carries compression heat away and lubricates the bearings, so the rotors stay separated by an oil film rather than metal-to-metal contact.

Because the oil does three jobs at once, the stage holds its efficiency over long runs, and wear concentrates in the bearings rather than in the rotors themselves. Air enters the 1616834890 after filtration, is compressed along the rotor path and leaves at the working pressure; the oil is removed downstream by the separator of the host machine. The serviced element renews this core as one unit, while oil separation, cooling, drive and control components stay part of the host machine.

What a Serviced Assembly Changes

Keeping the swap clean also depends on the surrounding service work. The oil circuit of the host machine is refreshed at the same visit, the separator and filters are checked, and the new element is run in under observation so the pressure band and the oil temperature settle back to their normal readings. A renewal of the 1616834890 therefore lands as a complete stage restoration, and the operating records keep a clean before-and-after picture for the maintenance file.

A complete serviced assembly also removes the matching work that loose parts would create at the site. Housing bore, bearing seats and shaft sealing arrive machined and set as one unit, so the workshop mounts the 1616834890 instead of building a compression core from separate components. The running-in period after the swap stays short, and the machine returns to its duty cycle with the clearances of a new element.

Wear Signs and Renewal Timing

An oil-injected element of this size announces its aging through measured trends long before it fails outright, and the trends are readable with the instruments most plants already run.

Trends Worth Watching

Trends that point to element wear include rising specific energy, drifting discharge pressure, unusual noise or vibration, higher oil temperature and metal traces in the oil sample. Specific power climbs first in many cases, because widening internal clearances let compressed air slip back instead of leaving the stage. Any one of these trends on a machine carrying the 1616834890 is a reason to inspect the element and plan the renewal.

Planning the Swap at 100 Kilograms

The 100.00 kg weight and the 50 × 35 × 30 cm box describe the serviced element as packed, and both figures deserve a place in the renewal plan. Lifting gear, a clear floor route and mounting clearance at the machine are decided before the 1616834890 arrives, not on the day itself.

Oil-injected elements are commonly renewed somewhere in the 20,000 to 40,000 running-hour band as a family-level reference, but the real timing follows the condition of your machine and the applicable service documentation rather than a fixed hour target. Vibration checks, oil analysis and temperature trends show the bearing condition long before a fixed count is reached, and a planned renewal with the 1616834890 beats an unplanned stop, because bearing fatigue left alone can let the rotors seize. A renewal planned this way turns the heaviest order of the year into a checklist item rather than an emergency.

Seadweer supports that planning with the fitment check described earlier and with the item data of the 1616834890 confirmed in the quotation. A team that books the renewal as a planned stop receives the element as one complete assembly, and the 1616834890 leaves the order desk with its identity already verified.

Technical Specifications

The tables below collect the identification and physical data of the 1616834890 in one place, exactly as the item data lists them.

Part Identification

Dimensions and Weight

The figures above are the item data of the 1616834890 for handling and logistics reference. Seadweer confirms the package details with the quotation, so the workshop knows what arrives before it arrives.

FAQ

What is the difference between 1616834890 and 1616834880?

They describe the same K-44 stage position. The 1616834880 is the production number in the machine documentation, and the 1616834890 is the service number the order travels under.

What does the C106 code in the designation mean?

C106 is the element platform the K-44 belongs to, and it forms part of the official designation OIS ELEMENT K-44 C106. Atlas Copco documents the C106 element across its oil-injected ranges, from stationary GA machines to the portable XAS 400 PACE compressors.

How big and how heavy is the 1616834890?

The item data lists 50 × 35 × 30 cm and 100.00 kg. These figures describe the serviced element as packed, so lifting gear and a clear floor route belong on the planning sheet.

How do I confirm the right element before ordering?

Read the code on the old element tag and note the compressor model and serial, then send all three to Seadweer. The fitment check matches the 1616834890 to your machine build before the quotation is issued.

What are the signs that the element needs renewal?

Watch for rising specific energy, drifting discharge pressure, unusual noise or vibration, higher oil temperature and metal traces in the oil sample. Any of these trends is a reason to inspect the element and plan the renewal around the 1616834890.

Why does the element arrive as one complete assembly?

The serviced element brings rotors, housing, bearings and shaft sealing as one unit, so the renewal replaces the compression core in a single operation. Separators, coolers, drive and control components stay part of the host machine.

More Air Ends Available

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