152301000144A Pilot Oil Source Valve Block Sany SAT40C Articulated Dump Truck Spare Parts

152301000144A Hydraulic Pilot Control Oil Source Valve Manifold for Sany SAT40C

The 152301000144A Pilot Oil Source Valve Block is a high-precision hydraulic control manifold engineered for the fluid power network of the Sany SAT40C articulated dump truck. Heavy-duty haul trucks use pilot-operated hydraulic valves to steer, hoist, and brake. Because the main hydraulic pumps generate immense pressures (often exceeding 200 bar), this high-pressure fluid is too intense for direct cabin control. The pilot oil source valve block acts as the system step-down adapter, tapping oil from the main circuit and reducing it to a stable, lower control pressure (typically around 30 to 45 bar) to feed the steering, brake, and hoist pilot joysticks safely.

This assembly integrates the primary pressure-reducing Pressure Reducing Valve (152301000144A003), the safety-regulating Solenoid Valve (152301000144A001), and a high-durability internal Valve (152301000144A002) cartridge. The manifold block is machined from high-tensile steel or low-porosity cast alloy, designed to withstand continuous working pressures and prevent physical warp or fluid leakages. We supply the fully integrated 152301000144A pilot oil manifold block as well as individual replacement valve cartridges, solenoid coils, and seal rings. Both genuine Sany OEM kits and highly reliable aftermarket options are in stock for rapid international shipping.

General Assembly Specifications

152301000144A Assembly Component Parts List

Below is the detailed parts catalog breakdown of the pilot oil source valve block as referenced in the Sany SAT40C technical manual. All listed valve cartridges are orderable separately for targeted manifold servicing:

Features & Benefits of Our Pilot Oil Source Valve Block

• Precise Pressure Reduction: The core Pressure Reducing Valve (152301000144A003) reduces high-pressure main loop hydraulic oil down to a highly stable pilot control pressure (typically 30–45 bar), protecting sensitive joystick actuators.
• Electronic Safety Lockout: Features a high-integrity Solenoid Valve (152301000144A001). This electro-hydraulic cartridge acts as an electronic safety lock, stopping pilot oil feed to disable cabin joystick controls when safety gates or operator consoles are raised.
• Durable Monoblock Casing: The compact main block manifold is machined from low-porosity, high-tensile material, maintaining exact internal bore alignment under continuous high operating pressures and temperature cycles.

Ordering & Technical Maintenance Guidelines

1. Verify Pressure Setting Calibrations: Pilot pressure reducing valves are calibrated to specific factory pressure ratings (MPa/PSI). Please provide your Sany SAT40C’s chassis serial prefix so our technical team can verify the exact cartridge pressure settings before shipping.
2. Always Renew Gaskets and O-rings: Valve cartridges utilize specialized polyurethane or nitrile O-rings and backup rings to seal. Always install fresh, pre-lubricated seals whenever a valve cartridge is removed or replaced to prevent high-pressure external oil leaks.
3. Ensure Cleanliness on Installation: High-pressure proportional hydraulics are highly vulnerable to particulate contamination. Keep the block port caps on until the exact moment of connecting the steel hoses, and clean the cartridge cavity thoroughly to prevent dirt from binding the valve spools.

To request pricing and lead time, send your B2B inquiry with part number 152301000144A, your required quantity, and your destination country to our sales desk to receive a detailed quote within 1 business day.