Welcome to Growshine International, your reliable source for high-quality heavy machinery spare parts. We specialize in the supply of the Pressure Reducing Valve Group with part numbers SDJ450.3.2.2.1A (SDJ4503221A) and 13766463. This crucial hydraulic component is specifically designed for use in SANY Heavy Machinery Reach Stackers, ensuring optimal performance and safety for models like the SANY SRSC45C2. As part of our commitment to offering comprehensive engineering machinery parts solutions, this valve group is rigorously tested for quality and durability.
Our expansive inventory of SANY Reach Stacker parts, heavy truck parts, agricultural machinery parts, and auto spare parts caters to a global market. We understand the critical need for reliable construction equipment spare parts and provide fast, secure shipping worldwide. Trust Growshine International for your excavator hydraulic pump, wheel loader transmission parts, and other specialized component needs. We are experts in heavy machinery maintenance parts and original equipment manufacturing (OEM) parts.
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The Pressure Reducing Valve Group SDJ450.3.2.2.1A / 13766463 is a vital unit within the hydraulic system of SANY Reach Stackers. Its primary function is to regulate and maintain the pressure in a specific part of the hydraulic circuit, protecting sensitive components and ensuring precise control over the machine's operations. This is particularly important for the high-precision movements required by Reach Stackers, such as container handling.
As a leading exporter of engineering machinery accessories, heavy truck accessories, agricultural machinery accessories, and auto accessories, Growshine International (格莳国际) ensures that this Pressure Reducing Valve meets stringent quality standards. We offer a wide range of components from engine parts to transmission parts and undercarriage parts for various heavy-duty applications. Our goal is to be your global partner for all heavy equipment spare parts supply and industrial machinery component sourcing.
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A Pressure Reducing Valve (PRV), like the SDJ450.3.2.2.1A / 13766463 used in SANY Reach Stackers, is a type of hydraulic control valve. It is installed in a circuit branch and functions to lower the pressure of the fluid flowing from the main supply line to the required lower, secondary pressure level. This secondary pressure must be maintained constant, irrespective of fluctuations in the primary inlet pressure (as long as the inlet pressure is higher than the set outlet pressure) and changes in the flow rate in the branch circuit. In a Reach Stacker, a PRV might be used to supply hydraulic fluid to control circuits that require lower pressure than the main lifting or steering circuits, thus preventing damage to sensitive control elements.
Growshine International (格莳国际) is dedicated to the import and export trade of engineering machinery parts, heavy truck parts, agricultural machinery parts, and automobile parts. Our mission is to provide global customers with a comprehensive selection of high-quality components and reliable service. Whether you need a SANY Reach Stacker solenoid valve or a Caterpillar final drive assembly, our extensive network and logistics expertise ensure prompt delivery.
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Understanding your machine's components is key to proper maintenance and repair. Below are explanations for common parts in construction equipment, heavy trucks, agricultural machines, and automobiles:
Turbocharger: A forced induction device that increases an engine's power by forcing extra air into the combustion chamber. (Mounted on the exhaust manifold/engine). Example: Caterpillar 345D Turbocharger
Hydraulic Cylinder: A mechanical actuator that converts hydraulic energy into a linear force and motion. (Installed on booms, buckets, or steering systems). Example: Volvo EC480D Boom Hydraulic Cylinder
Differential Assembly: Distributes torque to the wheels while allowing them to rotate at different speeds during turns. (Located in the axle housing). Example: Freightliner Cascadia Rear Axle Differential Assembly
Fuel Injector: Atomizes and delivers fuel into the engine's combustion chamber. (Installed in the cylinder head). Example: John Deere 6155R Fuel Injector
Brake Caliper: Houses the brake pads and pistons, which squeeze the pads against the brake rotor to slow or stop the vehicle. (Attached to the wheel hub assembly). Example: BMW 5 Series G30 Brake Caliper
Planetary Gear: A gear system used in final drives and transmissions to provide speed reduction and torque multiplication. (Located within the final drive or transmission). Example: Komatsu PC200-8 Final Drive Planetary Gear
Water Pump: Circulates coolant through the engine block, cylinder head, and radiator to maintain optimal operating temperature. (Mounted on the engine block). Example: Ford F-150 Water Pump
Transmission Oil Cooler: A heat exchanger that cools the transmission fluid to prevent overheating and maintain fluid efficiency. (Often mounted near the radiator). Example: ZF 8HP Transmission Oil Cooler
Track Roller: Supports the weight of the machine and guides the track chain on crawlers. (Located beneath the track frame). Example: Liebherr R920 Track Roller
PTO Shaft (Power Take-Off): Transmits mechanical power from the tractor engine to an implement. (Extends from the rear of a tractor). Example: Massey Ferguson 8737S PTO Shaft
Equipment: Freightliner Cascadia P4 (Heavy Truck)
Fault: Air Dryer continuously purges, leading to loss of air pressure in the secondary circuit.
Diagnosis: This often indicates a malfunction in the Air Governor Valve (mounted on the compressor or air dryer). The governor is responsible for signaling the compressor to stop pumping air when system pressure is reached (cut-out pressure) and to resume pumping when pressure drops (cut-in pressure). Continuous purging suggests the governor is not appropriately regulating the system, possibly due to a stuck unloader valve in the compressor or a fault in the governor itself, often leading to leakage in the secondary circuit's primary tank line or a sustained demand on the air dryer's safety valve.
Solution:
Inspect the air lines for leaks, especially the small governor line to the compressor's unloader.
If no external leaks are found, replace the Air Governor Valve (part of the air system accessories) on the compressor or air dryer.
If the issue persists, the compressor's unloader mechanism may be worn or damaged, requiring a Compressor Repair Kit or a complete Air Compressor Replacement. Regularly check the air dryer desiccant and system filters.
