Hunan Chengzhai Machinery Equipment Co., Ltd.
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- Exhaust Manifold Gasket 12420484 (For MWM TBG620 V16 Unit No.6002)
- Product Details
- Company Details
Product Specification
|
|
|
|
| Delivery Time |
15days |
Outer shape |
One-piece integrated flange gasket |
| Packaging Details |
Original packaging |
Fixing bolt holes |
OEM standard layout & aperture |
| Supply Ability |
9999 |
Structure |
MLS multi-layer steel gasket with integrated sealing beads |
| Inner flow profile |
Matches cylinder head exhaust port exactly |
Payment Terms |
D/P,T/T,Western Union |
| Free thickness |
1.6 mm (tolerance ±0.05 mm) |
Rebound after compression |
≥0.28 mm |
| Brand Name |
MWM DEUTZ |
Model Number |
12420484 |
| Place of Origin |
Germany |
| |
1. Basic Fitment Info
OE Part No.: 12420484
Product Name: MLS Exhaust Manifold Seal Gasket
Applicable Unit: DEUTZ MWM TBG620 V16 Gas Generator Set (Unit Code:6002)
Mounting Position: Joint face between cylinder exhaust flange and exhaust manifold
Positioning: OEM direct replacement seal part, fully matched contour & bolt holes, no modification required.
2. Operating Condition Limits
Continuous exhaust temp: 450～620℃; instantaneous peak temp ≤680℃
Exhaust back pressure: 18～32kPa
Unit vibration: axial ±6.5 mm, radial ±4 mm, frequent thermal cycling
Medium: high-temperature flue gas, sulfide exhaust gas, acidic condensed vapor & thermal radiation
Interchangeable for left & right manifolds on single V16 unit.
3. Dimension & Structural Parameters
| Item |
Technical Data |
Description |
| Structure |
MLS multi-layer steel gasket with integrated sealing beads |
High temp resistant, stable resilience |
| Free thickness |
1.6 mm (tolerance ±0.05 mm) |
Design crush allowance:0.35~0.45 mm |
| Inner flow profile |
Matches cylinder head exhaust port exactly |
No flow restriction |
| Fixing bolt holes |
OEM standard layout & aperture |
Direct alignment without reaming |
| Outer shape |
One-piece integrated flange gasket |
No segmented leakage gap |
| Rebound after compression |
≥0.28 mm |
Sustained sealing pressure after thermal relaxation |
4. Material & Temperature Resistance
Layer Construction
- Surface layer: flexible expanded graphite sheet, acid resistant, adapts to minor flange flatness deviation
- Core layers: 3-ply stamped 301 stainless steel with embossed sealing beads
- Anti-corrosion coating: high temp inorganic coating against oxidation & delamination
Thermal Performance
- Continuous service temp: ≤620℃ stable sealing
- Instant thermal shock limit: 680℃ short-term exposure, no burn-through or delamination
- Low temp range: -40℃ to ambient temp, no cracking or graphite peeling
Sealing Performance
Minimum sealing surface pressure ≥32 MPa
Helium leak rate ≤1×10⁻⁷ Pa·m³/s
Permanent compression set ≤8% after 40,000 running hours
Resists sulfide corrosion from natural gas combustion exhaust.
5. Core Functions for TBG620 V16 Unit
- Gas Tight Isolation: Prevents high-temp exhaust leakage, protects wiring harness & rubber hoses from radiant heat fire hazard.
- Stable Backpressure: Balanced cylinder exhaust pressure, steady turbo speed, constant unit output power and normal gas consumption.
- Thermal & Vibration Compensation: Elastic steel beads absorb thermal expansion difference and continuous vibration to avoid seal failure.
- Flange Protection: Evenly distributes bolt clamping force to prevent indentation damage on cast iron flanges.
6. Installation Instructions
- Install with OEM marked orientation, reverse mounting forbidden;
- Fully remove old gasket residue, carbon deposit and rust; flange flatness ≤0.06 mm;
- Tighten bolts diagonally in 3 stages:
Pre-torque:40 N·m → Intermediate torque:75 N·m → Final torque:110～120 N·m
- Retighten final torque after 2 hours cold startup operation;
- Do not apply liquid sealant, excess glue causes over-compression and gasket extrusion;
- Replace with new gasket unconditionally once manifold is disassembled; reuse prohibited.
7. Replacement Criteria
Replace gasket 12420484 if any issue occurs:
- Graphite layer burnt, steel layer perforated, delamination or flattened sealing beads;
- Audible exhaust hissing, local flange overheating and red hot;
- Individual cylinder exhaust temperature abnormal, power derate and frequent unit alarms;
- Adjacent hoses/wiring baked and carbonized by leaked hot gas;
- Torque retightening fails to eliminate persistent leakage.
8. Endurance Standard
Design service life: ≥40,000 running hours / 5 years
1,500 start-stop thermal cycles without sealing degradation
Acid condensed water immersion resistant, no pitting corrosion
Mandatory renewal during exhaust system overhaul or cylinder head disassembly.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
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Business Type:
Trading Company,Seller,Exporter,Importer,Distributor/Wholesaler,Manufacturer,Agent
-
-
Total Annual:
CNY 20M-CNY 50M
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-
Ecer Certification：
Verified Supplier
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