When it comes to maintaining the Sulzer AL25 engine, the decision between repairing or opting for a brand new casing is pivotal for ensuring efficient operation and longevity. This engine relies heavily on various casings, each playing a crucial role in maintaining the engine's structural integrity and functionality. For instance, the casing for the charge air baffle and air inlet housing (K 66200; in Russian: Кожух отвода воздуха и входного корпуса воздуха, в сборе; in German: Verschalung, komplett für Luft-Umlenkung und Lufteintrittsgehäuse) and the oil pump casing (K 71011; in Russian: Корпус насоса, в сборе; in German: Ölpumpengehäuse, komplett) are vital components. Similarly, the cooling water pump casing (K 73002; in Russian: Корпус насоса, в сборе; in German: Kühlwasserpumpengehäuse, komplett) and the bearing casing (K 28000; in Russian: Коробка клапанных рычагов, в сборе; in German: Lagerhaube, komplett) ensure the engine operates smoothly. Opting for new casings guarantees adherence to the highest standards of performance and reliability. Understanding the specifications and applications of each casing aids in making informed maintenance decisions, ensuring the Sulzer AL25 engine runs efficiently and effectively.

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When it comes to maintaining the Sulzer AL25 engine, replacing rings is critical for ensuring optimal performance and longevity. The engine relies on various rings, including shaft sealing rings for toothed racks (KS 55041) and multiple sealing rings (KS 87177, KS 87178, KS 87179). Additionally, O-rings for cylinder liners (K 21404, K 21405, K 21406) and other specific components play essential roles in maintaining tight seals and preventing leaks. New replacements ensure the highest standards of performance and reliability. Understanding the specifications and applications of each ring, such as the snap ring for flange K 27026 (K 27029) and various other specialized rings, helps in making informed decisions to keep the Sulzer AL25 engine running smoothly.

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Sulzer pumps enable efficient operation at a new gas-fired power station in North America. Sulzer's pumps are custom designed to support the latest generation of air-cooled gas turbines and achieve world-class efficiency. The pump is placed on a specially designed slide that is precisely positioned with the surrounding infrastructure. Sulzer's SJD-CEP units can provide high flow rates with a single suction first stage solution. The company's single-suction multistage pumps are a popular choice for this type of installation.

Sulzer Type TD is built as a standard marine engine for direct propeller drive and suitable for all types of single-screw and multiple-screw vessels in river, lake, coastal and ocean service. The propeller thrust is transmitted directly to the thrust bearing built on to the engine through the transmission shafting.

Sulzer Type TG is chielfy used when the engine is connected to a reduction gear, a disengaging friction clutch or a flexible coupling (toothed coupling, Cardan joint, etc.), i.e. wherever the propeller thrust is taken by a thrust bearing in the gearing or behind the special coupling mentioned. For this reason, a thrust bearing built on to the engine is unnecessary. The engine type TD is thus mostly used for fishing boats (with reduction gearing), ferries, dredgers and other special-purpose vessels in which the propulsion arrangements are as described above.

B22 and B29 are 4-stroke engine models from Sulzer. B22s were manufactured in 3 to 8 cylinder versions. B22 has many submodels. BW22s, for instance, were mainly produced to be utilized in ship propulsion modules while BH22s were produced to be utilized as generator prime movers.

Most wear and tear on Sulzer RTA models will occur on parts such as cylinder liners, cylinder head parts (valves, seats, nozzles), plunger and barrels. The bore size of the original RTA series has an extensive range of 380 to 840 mm.

Sulzer A20 has an rpm range of 720 to 1000. 8-cylinder in-line (L) version of this engine can produce 820 kW at 1000 rpm when running on diesel oil while 600 kW is produced at 720 rpm version.

Some of the characteristics of SULZER S20U are power take-off at both ends of the crankshaft and highly efficient load-adaptable turbocharging system and charge air cooling.

Most of the Sulzer A25 engines work in auxiliary power generators on ships, some as stationary power source and many as main propulsion in tugs, floating cranes, fishing ships and other workboats. Fuel type of A25 is MDO only.

In marine environment, machinery such as SULZER 6AL25/30 has to meet higher standards of reliability and greater demands for weight and volume reduction and easier access for maintenance. Marine environment tends toward extreme conditions such as high humidity, sea-water corrosion, vibration and shock due to sea motions.