SSY009114936 Cooling Pipeline Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

SSY009114936 Cooling Pipeline Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

SSY009114936 Cooling Pipeline is designed for the Sany SY1250H 125-ton mining excavator. This model is mainly used for earth stripping and ore loading operations in large open-pit mines and earthwork projects. It has a large operating load and outstanding heat dissipation requirements [6][10]. The cooling pipeline integrates core characteristics such as high-strength corrosion-resistant base material, precision molding structure, sealing and leak-proof design, vibration resistance and anti-aging, etc. It meets the national standard GB/T hydraulic hose general standard, JB/T 8734-2015 hydraulic pipeline standard for engineering machinery and ISO 21015-2 international standard requirements. It is a key supporting component of engine cooling system and hydraulic oil cooling system. It is mainly used in mining and topsoil stripping operations in large open-pit coal mines and metal mines. By stably delivering coolant, it conducts the heat generated by the engine and hydraulic system to the radiator, achieving precise temperature control of the whole machine. This avoids wear, jamming, and shutdown caused by high temperature overload of core components. It is suitable for mining conditions with high temperature, high dust, strong vibration, and large temperature difference. It is a key original equipment part for mines to reduce maintenance costs and ensure continuous operation.

Core technical parameters

Model: SSY009114936 Cooling Pipeline
Main material: Combination design of 304 stainless steel precision seamless steel pipe (heavy-duty wear-resistant type) and low-temperature resistant silicone rubber hose (flexible connection type)
Operating temperature: -40℃ to 180℃; no brittleness or hardening at low temperatures; maintains good structural stability and corrosion resistance at high temperatures.
Key operating parameters: Pipe diameter φ25-φ50mm (common specifications: φ25mm, φ32mm, φ40mm, φ50mm), wall thickness 1.0-1.5mm, dimensional tolerance ±0.02mm, inner wall roughness Ra≤0.8μm; operating pressure 0.8-2.5MPa; coolant flow rate adapted to the overall heat dissipation requirements of the SY1250H unit; pipe straightness ≤0.03mm/m
Structural Design: The system employs a combination of rigid steel pipe and flexible hose. The rigid section utilizes a cold-drawn precision forming process, while the flexible section uses a one-piece molded silicone rubber hose. Pipeline connections feature a flared end and compression fitting design. The pipe routing conforms to the overall machine structure. The inner wall undergoes precision honing, resulting in a smooth, scale-free surface.

Core functions and roles

As the “heat dissipation core” of the Sany SY1250H 125-ton mining excavator, this model has a heavy operating load and prominent heat dissipation requirements. The core function of its matching cooling pipe SSY009114936 is to transport coolant, connect the engine, radiator, and other core heat dissipation components, construct a complete heat dissipation circulation system, conduct the heat generated by the entire machine during operation, regulate the temperature of the engine and hydraulic system, and prevent overheating of core components. In scenarios such as large open-pit mines and water conservancy projects, it not only avoids malfunctions such as reduced engine power, hydraulic system jamming, and component wear caused by high temperatures, but also ensures that the entire machine maintains the optimal operating temperature during 24-hour continuous heavy-load operation through stable coolant circulation, thereby improving operational efficiency.

Applicable Scenarios

Widely used in the cooling system of the SANY SY1250H 125-ton mining excavator, specifically adapting to core components such as the connection between the engine and radiator, the hydraulic oil cooler and coolant tank, and the thermostat and engine block. It is an essential component for coolant delivery and heat dissipation in the cooling system, and can also be adapted to corresponding cooling system components of other large mining excavators of the same specifications from SANY. It is particularly suitable for 24-hour continuous heavy-duty operation in harsh conditions (high dust, strong impact, large temperature differences between day and night, high humidity) in open-pit mines and large-scale earthmoving projects. It is especially suitable for operation in extreme environments such as extreme cold and high temperatures, and is an essential heat dissipation piping component for equipment manufacturing, overhaul, upgrading of old machines, and fault repair.

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1. Pump chamber piping
2. Return oil pipeline
3 SSY009114936 Cooling Pipeline
4. Traveling Pipeline
5 Valve body installation
6-turn pipeline
7. Boom piping
8. Boom and Bucket Piping
9 SSY008119457 Hydraulic oil tank assembly
10 12921534 Sheath
11 12921535 Sheath

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