3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO

If you run an Atlas Copco/Epiroc Boomer-class underground drill, sealing performance isn’t a “nice to have” detail, it’s what keeps hydraulic power stable, keeps contamination out, and keeps expensive cylinder surfaces from turning into scrap. The 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO is a purpose-built seal ring / guide ring–type sealing element used in Boomer-related hydraulic assemblies (commonly in cylinder sealing stacks where low friction + tight control matter).

In practical terms, 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO helps your machine hold pressure, move smoothly, and resist dust/mud ingress that’s typical in drifting, tunneling, and production drilling, where every cycle is hard work and downtime is expensive.

What the 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO does

A seal ring in a Boomer environment usually has three jobs:

• Seal hydraulic pressure so the cylinder can generate force consistently

• Control leakage (internal bypass + external seepage) to preserve efficiency

• Protect metal surfaces (rod/tube) by stabilizing alignment and reducing scoring

The design you shared (ring form with banded outer surface) is consistent with a wear/guide ring + sealing ring stylecomponent used inside hydraulic cylinder packs, especially where side-loads and vibration are common on booms and feeds.

Where this type of seal ring is typically used

Depending on the Boomer/Simba configuration, 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCOmay appear in assemblies such as:

• Boom cylinders (lift/tilt/extension, depending on rig)

• Feed/guide or telescopic cylinder applications on certain rigs

• Linkage cylinders where smooth movement and anti-stick-slip behavior matter

A parts listing for Boomer L1C references this part number as a seal in the bill of materials, indicating its role inside a sealing set rather than being a simple external rubber ring.

Why this seal ring matters in underground drilling

In underground drilling, seals fail faster because conditions are tougher than standard mobile hydraulics:

• Fine abrasive dust migrates everywhere

• Pressure spikes happen during percussion/boom movement and sudden stops

• Side loads increase when the boom works off-center or at full reach

• Heat cycling accelerates seal hardening and extrusion over time

When 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO is fresh and correctly installed, you normally see:

• More stable feed/boom response

• Less “spongy” cylinder feel

• Reduced oil film/weep around cylinder areas

• Better long-term protection of cylinder bore and rod finish

When it’s worn, you’ll often notice slower response, drift, chatter, or hydraulic oil contamination that gets worse each week.

Design and material logic behind the 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO

Most Boomer-class cylinder seal rings are engineered around low friction + high wear resistance + extrusion control. While exact compound varies by supplier and application, seal rings in this family are commonly built from:

• Polyurethane (PU) or engineered polymer for wear resistance

• Composite fabric-reinforced polymer for stability under side load

• PTFE-based sliding layers (in some designs) to reduce stick-slip

The banded appearance in your images is typical of reinforced wear/guide style elements, where the material is designed to carry load, stay dimensionally stable, and protect metal-on-metal contact.

How that translates to performance

A well-made 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO is designed to:

• Keep friction controlled so the boom moves smoothly at low speed

• Resist edge wear from vibration and micro-misalignment

• Prevent scoring on rods/bushings by maintaining guidance

• Reduce the chance of seal “roll” or twisting during pressure reversals

Key benefits (what buyers actually care about)

1) Pressure stability and predictable motion

Boom control is your productivity. When 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO is doing its job, the cylinder seals efficiently, which means:

• Faster response

• Less lag under load

• Less drift when holding position

• Less energy waste (and less heat)

2) Longer component life

This is where seal rings pay for themselves. A worn ring can cause:

• Rod scoring

• Bore wear

• Metal debris in oil

• Premature pump/valve wear

Keeping the 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO in good condition protects the entire hydraulic loop.

3) Better contamination resistance

Underground dust is brutal. Good sealing reduces:

• Ingress of abrasive particles

• Oil contamination

• Accelerated wear on adjacent seals and bushings

Technical details (practical specs you can list on your product page)

Because exact dimensions and compound can vary by equipment configuration and revision, the most useful “website-ready” technical spec section is one that states function + material class + operating realities, while prompting customers to confirm by part number.

Typical technical profile

• Product name: 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO

• Part number formats used in search: 3128209301, 3128 2093 01, 3128-2093-01

• Type: Hydraulic seal ring / wear ring / guide ring (application-dependent)

• Primary role: Sealing + guidance support inside cylinder sealing stack

• Working environment: Underground drilling rigs (dust, shock, cyclic loads)

• Typical materials (industry standard): PU / engineered polymer / composite reinforcement

• Typical operating behavior: Low friction, high wear resistance, extrusion control

If you want, you can add a short note like: “Dimensions depend on cylinder variant; confirm using machine serial number and parts manual.”

Installation guide for 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO

Below is a clean, field-realistic installation section you can publish (and it also helps your conversions because it signals expertise).

Tools and prep

• Clean bench and lint-free cloth

• Plastic pick tools (avoid metal that can nick sealing edges)

• Calipers (to verify groove and ring condition if needed)

• Correct hydraulic assembly lubricant (compatible with seal material)

• Torque tools for cylinder reassembly

Step-by-step installation (best practice)

1. Confirm the part number on your job card and packaging: 3128209301 / 3128 2093 01.

2. Inspect the groove and mating surfaces for burrs, scoring, or embedded debris.

3. Clean and dry the area, no grit, no metal shavings, no cloth fibers.

4. Lubricate lightly with a compatible lubricant (too much grease can trap abrasives later).

5. Install without twisting. If the ring is a guide/wear style, keep it seated evenly along the groove.

6. Check free movement before final assembly: the component should not pinch or bind.

7. Reassemble and pressure-test gradually. Start with slow cycles, then normal duty.

Common mistakes to avoid

• Forcing the ring over sharp edges (creates micro-tears that fail early)

• Using screwdrivers to “pry” (one nick can ruin the seal ring)

• Installing dry (increases startup friction and heat)

• Reusing worn backup elements in the same stack (false economy)

If a customer asks why their new ring failed quickly, 80% of the time it’s contamination, groove damage, or incorrect installation method, not the ring itself.

Maintenance and troubleshooting (helps customers self-diagnose)

If 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO is wearing out, you may see:

• Slow drift in boom position under load

• Jerky low-speed motion (stick-slip)

• Oil film around cylinder areas

• Rising hydraulic temperatures from internal bypass

• Noise or chatter during cylinder movement

Recommended maintenance habits:

• Keep oil clean (filtration is seal life)

• Inspect wipers and external dust protection regularly

• Avoid pressure shock events where possible (controlled valve operation helps)

• Replace seal stacks as sets when wear is systemic

Compatible ATLAS COPCO / Epiroc models (where this part number shows up)

Because Boomer families include multiple configurations and revisions, compatibility is best communicated as “known references” plus “confirm with serial”.

Known references from parts listings and supplier catalogs

• Atlas Copco Boomer L1C (listed as “SEAL” with this part number in a parts list)

• Epiroc/Atlas Copco Boomer 282 / Boomer L2D (catalog references list this part number in Boomer-related inventory listings)

• Simba S7D (listed as a cylinder seal item under this part number in a drilling rig parts listing)

• Additional catalog references also associate this number with rigs such as Simba H1254 / H1354, and equipment like Boltec 235, depending on configuration and assembly group

If you’d like, you can publish the above as “commonly referenced on” and add: “Final compatibility depends on machine serial number and cylinder variant.”

Weight (KG)

Exact net weight can vary slightly by production batch and exact ring dimensions used for the cylinder variant. For e-commerce listing purposes, you can safely publish a practical range:

• Estimated net weight (per ring): ~0.10–0.25 kg

• Estimated shipping weight (1–2 pcs packed): ~0.30–0.60 kg

If you want the precise weight you’ll invoice/ship against, your safest workflow is: confirm the cylinder variant or the machine serial number, then we match the correct ring specification before dispatch.

Why order from 3GEN Export

3GEN Export supports heavy machinery spare parts sourcing with OEM-level supply discipline: correct part-number matching, export-ready packing, and fast dispatch cycles.

When you order 3128209301 / 3128 2093 01 BOOMER SEAL RING ATLAS COPCO from 3GEN Export, you get:

• OEM supplier sourcing approach (part-number accuracy first)

• Export-grade packaging for seals and sensitive components

• Worldwide delivery in 5 working days (fast dispatch + global logistics)

• Support for bulk orders and multi-part shipments (reduce downtime across fleets)

To speed up your quotation, send:

• Part number (3128209301 / 3128 2093 01)

• Rig model (e.g., Boomer L1C / Boomer 282 / Simba S7D)

• If available: machine serial number or cylinder assembly reference

Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.