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Baffle Screw Marine Diesel Engine Spare Parts is a critical core fastening component for marine diesel engines. Made of high-quality wear-resistant and corrosion-resistant materials, it firmly fixes the baffle plate and maintains stable assembly structure under engine vibration. It features precise dimensional accuracy, stable structural performance and excellent fatigue resistance, suitable for routine servicing, shipyard overhaul and fault repair under marine harsh working conditions.
A well-matched baffle screw stabilizes equipment assembly state, prevents baffle loosening and abnormal vibration, reduces component failure risks and equipment downtime, and ensures efficient and reliable operation of marine diesel engine units.
Please provide equipment model, specifications and part number before ordering to confirm compatibility.
LH-28G Baffle Screw | Main Engines Other Marine Supplies
The LH-28G Baffle Screw is a dedicated fastening component designed for Hanshin LH-28G series marine main engines. Mounted on the engine baffle and internal guard assembly, this screw provides stable clamping force to secure the baffle plate in fixed position. It prevents displacement and vibration loosening during engine operation, maintains correct assembly clearance, and protects internal moving parts from impact and disturbance. A worn, cracked or loose baffle screw will lead to baffle shifting, abnormal vibration and secondary collision damage inside the engine. Replacing with standard LH-28G Baffle Screw restores reliable fastening performance and ensures continuous safe operation of marine main engines.
Working under harsh marine operating conditions including long-time full-load continuous operation, cyclic mechanical vibration, high ambient temperature and ship salt-fog corrosion, the baffle screw will gradually suffer thread wear, stress fatigue and surface rust after long service hours. Damaged baffle screw causes loose baffle assembly, abnormal noise and accelerated wear of adjacent components. Regular inspection and replacement of baffle screw are essential maintenance items for Hanshin LH-28G engine overhaul and dry-dock repair projects.
This LH-28G Baffle Screw adopts high-strength alloy steel structure with excellent tensile strength and fatigue resistance. Precision rolled threads ensure uniform stress distribution and stable clamping force, effectively resisting loosening caused by continuous engine vibration. It maintains reliable fastening status under variable load working conditions.
With outstanding corrosion resistance and high-temperature structural stability, the baffle screw adapts to frequent start-stop and long-term heavy-load operation of marine main engines. It effectively reduces assembly looseness, abnormal vibration and component failure rate, stabilizes engine running condition, lowers daily maintenance costs and greatly improves the long-cycle operational safety and reliability of Hanshin LH-28G marine diesel engines.
The LH-28G Baffle Screw is manufactured from premium high-tensile alloy steel, specially customized for the vibration and high-temperature working environment of Hanshin LH-28G marine main engines. Precision thread rolling process ensures smooth thread profile and high matching accuracy. Multiple stress relief treatments remove residual machining stress to ensure long-term dimensional stability without deformation. The surface adopts anti-corrosion treatment to improve salt fog resistance. The whole manufacturing process strictly complies with OEM technical requirements and universal marine diesel industry standards.
Quantified Marine-Grade Performance Parameters
Parameter | Specification | Test & Implementation Standard |
Core Material | High tensile alloy steel | Raw material spectrum inspection |
Surface Treatment | Anti-corrosion coating & thread rolling | Coating adhesion & thread profile inspection |
Dimensional Tolerance | OEM-level precision matching tolerance | CMM full dimensional inspection |
Mechanical Performance | High tensile strength, anti-fatigue, anti-loosening | Tensile test & vibration fatigue test |
Working Temperature Resistance | Adapt to engine internal high-temperature environment | High-temperature structural stability test |
Service Feature | Salt-fog corrosion resistant, stable clamping force | Marine long-cycle operation simulation test |
Compliance Standard | Universal marine industrial manufacturing specifications | OEM & marine diesel industry norms |
All LH-28G Baffle Screws are manufactured strictly in accordance with Hanshin OEM engineering drawings and marine fastener component standards. Every workpiece undergoes raw material verification, heat treatment calibration, precision thread rolling and surface anti-corrosion treatment. Thread geometry and overall dimensional tolerance are fully controlled to ensure perfect coordination with baffle plate and mounting base.
Each finished baffle screw passes strict pre-delivery full inspection, including dimensional accuracy detection, tensile strength testing, surface defect screening and thread matching test. All technical parameters fully match original equipment standards, supporting direct drop-in replacement without secondary processing, effectively improving engine overhaul quality and post-maintenance operational stability.
MAIN ENGINE | MAN B&W | S26MC,L/S35MC,L/S42MC,L/S50MC,L/S60MC,L/S70MC,L/S80MC,L/S90MC,S46MC-C,S50MC-C,S60MC-C,S70MC-C,S80MC-C,S90MC-C,K90MC-C,K98MC-C,K/L45GF(CA),55GF(CA),67GF(CA),80GF(CA),90GF(CA) |
WARTSILA | 6L20,9L20,8L32,R22,R32,L20,L32 | |
PIELSTICK | PC2-2,PC2-5,PC2-5L,PC2-5V,PC2-6,PA4,PA5,PA6 | |
HANSHIN | EL30-44,ELS-35,44,LH-28G,LU24-54,LUN28AR(G),LUS24-58,LF46-58 | |
NIIGATA | 16HS,16X,18CX,19HX,20AX,25BX,25CX,26AFTE,26KGHS,28AFTE,28BX,28KGHS,31EZ,31X,32CLX,34AFTE | |
SULZER | RTA38,RTA48,RTA52,RTA58,RTA62,RTA68,RTA72,RTA76,RTA84,RL(A/B)56,RL(A/B)66,RL(A/B)76, RL(A/B)90,RND68,RND76 | |
AKASAKA | A31,A34,A38,A41,A45,AH25,AH27,AH28,AH30,AH38,AH40,K28,K31,DM28FD,DM38FD,DM40FD,DM51SS | |
MITSUBISHI | UEC33LSE,UEC37LA,UEC45LA,UEC50LS,UEC52LA,UEC52LS,UEC60LS,UET45/75C,UET45/80D, UET52/90D,UET52/105H | |
AUX.ENGINE | MITSUBISHI | S6A,S6B,S6R,S6N,S16N,S16R,S12R,SA2 |
MAN B&W | 16/24,20/27,21/31,23/30,25/33,28/32,32/40,48/60,58/64 | |
YANMAR | HAL,KL,KDL,KFL,RAL,MAL,S165,S185,M200,M220,T220,T240,T260,Z280,N165,N18,N21,N165,N260,N280, N330,NY16,EY18,EY22,EY26,4CHL,6CHL | |
DAIHATSU | DK20,DK26,DK28,DK32,DL16,DL19,DL20,DL22,DL24,DL26,DL28,DL32,DS18,DS19,DS22,DS26,DS28,DS32, DS40,PK14,PK16,PL24,PL26,PS18,PS20,PS22,PS26,PS30 |
We supply full-series matching spare parts for Hanshin LH-28G engine overhaul, including baffle plate, fastening bolts, lock washer, fixing nut and complete baffle assembly overhaul kits, providing one-stop procurement solutions for shipyards, shipping companies and marine engine maintenance suppliers.
Each batch of LH-28G Baffle Screw undergoes full-process professional inspection and performance screening, including raw material spectrum analysis, dimensional calibration, tensile testing, surface defect detection and vibration fatigue test. All inspection records are archived completely for customer review and dry-dock audit.
Manufactured in strict compliance with universal marine diesel industry norms and OEM technical specifications, this baffle screw meets the requirements of daily vessel navigation and engine overhaul projects, serving as reliable replacement spare parts for marine main engines.
The baffle screw is a key fastening component of Hanshin LH-28G engine baffle assembly system. Long-term vibration impact, thermal cycling and salt-fog corrosion will cause thread fatigue, surface rust and fastening failure. Replace the baffle screw during major overhaul if thread damage, deformation or obvious corrosion is detected. Installing new standard LH-28G Baffle Screw restores stable clamping force, optimizes assembly reliability and protects baffle and internal engine parts from secondary damage.
Regular inspection of baffle screw thread condition and fastening torque is an essential routine maintenance item for Hanshin LH-28G marine main engines. For vessels with long-term continuous power operation, fastener parts are prone to fatigue loosening. Timely inspection and replacement can effectively avoid baffle displacement, abnormal vibration and component collision, ensuring stable and safe operation of shipboard power equipment.
Which engine does this baffle screw fit?
This baffle screw is specially customized for Hanshin LH-28G series marine main engines, also compatible with multiple mainstream marine main and auxiliary engine models listed above. Please provide complete engine model or original part number for accurate matching confirmation.
What is the delivery time?
Standard LH-28G Baffle Screw are in stock with 7–10 working days fast delivery. Non-standard customized specifications support 7–15 working days production cycle.
Can you provide customized processing services?
Yes, we support OEM customization and non-standard processing according to customer drawings and samples. All customized products undergo full-dimensional inspection and mechanical performance testing before shipment.
What is your warranty policy?
12-month warranty for material and manufacturing defects. We provide professional after-sales technical support including installation guidance and assembly torque verification.
What is the MOQ and export packaging?
MOQ is 1 unit for in-stock products, with favorable bulk discount for fleet batch orders. Standard export packaging adopts anti-rust oil treatment, moisture-proof wrapping and solid plywood crating, adapting to long-distance ocean transportation and overseas storage.
