A810201021318 Reversing Valve Assembly Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

A810201021318 Reversing Valve Assembly Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

The Sany A810201021318 directional valve assembly is the “control center” of the hydraulic system. It realizes the opening and closing of the oil circuit or the change of the flow direction through the relative movement of the valve core and the valve body. It is designed for the harsh operating conditions of various Sany construction machinery equipment and is precisely matched to the hydraulic control requirements of Sany excavators, cranes, loaders, pump trucks and other equipment. It is a key consumable material to ensure the precise control of the movement direction and speed of hydraulic actuators and to avoid system jamming and leakage.
This product strictly adheres to SANY’s original manufacturing standards, employing a high-strength ductile iron valve body and a precision stainless steel valve core, coupled with fluororubber sealing components. It boasts core advantages such as compact structure, high pressure resistance, corrosion resistance, excellent sealing performance, and rapid response. The product features a modular design, allowing for flexible combination via connecting blocks and transition plates. It can also integrate additional valves such as check valves and throttle valves to expand functionality, adapting to complex hydraulic control logic. Furthermore, it undergoes multiple processing steps including precision machining and aging heat treatment. The optimized flow path design reduces hydraulic resistance and energy consumption, effectively preventing valve core jamming and oil leakage, minimizing equipment downtime losses, extending the overall service life of the hydraulic system, and lowering subsequent maintenance costs. It is widely used in mainstream SANY equipment application areas such as construction, mining, engineering construction, and municipal construction, adapting to various harsh operating environments. Balancing practicality and economy, it is a core component for SANY hydraulic system maintenance.

Core technical parameters:

– Product Model: Sany A810201021318
– Product Type: Directional control valve assembly, spool valve structure
– Core materials: Valve body is made of QT450-10 ductile iron; valve core is made of 304 stainless steel; seals are made of fluororubber (FKM).
– Material properties: Valve body tensile strength ≥450MPa, hardness ≥160 (5/250/30) HBS; valve core surface roughness Ra≤0.2μm; fluororubber seals can withstand operating temperatures from -25℃ to +120℃, with a compression set recovery rate ≥85%.
– Operating parameters: Rated working pressure 31.5MPa, maximum working pressure 35MPa, rated flow 80L/min, adaptable to the conventional pressure and flow requirements of SANY equipment hydraulic systems, reversing response time ≤0.15s, reversing frequency up to 60 times/minute, precise and stable operation.
– Structural Design: Modular multi-port structure, allowing flexible combination of 2-6 directional valves; plate mounting (compliant with DIN 24340 standard); G3/4 internal thread interface; standard manual emergency lever.
– Core dimensions: Valve body total length 280mm, single-port width 45mm, mounting hole spacing 120mm, mounting hole diameter 14mm, inlet/outlet diameter 20mm
– Compatible models: SANY excavators (SY215, SY265 series), cranes, loaders, concrete pump trucks and other types of construction machinery and equipment, precisely matched with the original factory hydraulic system.

The Sany A810201021318 directional control valve assembly, with its original factory compatibility, superior hydraulic control performance, and resistance to harsh working conditions, has become the preferred consumable for the maintenance of hydraulic systems in Sany’s construction machinery equipment. Whether for personal equipment maintenance, bulk corporate purchases, or engineering operation and maintenance support, it can meet diverse needs. The product is easy to install, requiring no specialized or complex tools, and can directly replace the original valve assembly. It effectively solves common faults such as valve core jamming, oil leakage, and inaccurate directional control, reducing equipment downtime caused by hydraulic control component failure, lowering maintenance costs, and improving equipment operating efficiency.

Get a personalized quote now

1 B220401000459 Solenoid directional valve
2 A820103010415 Cooling oil motor commutator block
3 B220400000083 Overflow valve