VOLVO 14659470 14628542 Hydraulic Control Valve | Pressure Regulating ValveGenuine VOLVO Hydraulic Control Valve 14659470 & 14628542
Calibrate Hydraulic Flow, Prevent Pressure Drift. Worn valve causes slow response and cylinder drifting. This precision forged valve stabilizes hydraulic pressure, adjusts flow accurately and ensures smooth and steady mechanical actions.
Core Advantages
| Advantage Item | Description |
|---|
| Forged Alloy Valve Body | High pressure resistance, anti-fatigue and no deformation under frequent impact |
| Nitrided Hardened Spool | Smooth low friction movement, anti-scuffing and reduce internal leakage |
| Durable Reset Spring | Stable elastic tension, quick and accurate spool reset after each operation |
| High Temp Resistant Seals | Adapt high heat hydraulic environment, reliable sealing without fluid leakage |
Technical Parameters
| Parameter | Specification |
|---|
| Part Numbers | 14659470 / VOE14659470, 14628542 / VOE14628542 |
| Product Type | High pressure hydraulic flow and pressure control valve assembly |
| Main Material | Forged steel body, hardened valve core, alloy spring, viton seal |
| Rated Working Pressure | Maximum 35MPa heavy load pressure resistance |
| Application System | Excavator main hydraulic and pilot control circuit |
Compatible Machine Models
| Equipment Type | Applicable Models |
|---|
| D-series Medium Excavator | EC170D,EC180D,EC200D,EC210D,EC220D |
| D-series Heavy Excavator | EC250D,EC300D |
Procurement Suggestion
| Replacement Notice | Matching Combination Parts |
|---|
| Replace valve assembly during hydraulic overhaul. Avoid reused faulty parts affecting working efficiency. | Oil seal, lock nut, pivot pin, track washer kit, engine mounting cushion |
Common Failure Symptoms
| No. | Failure Phenomenon |
|---|
| 1 | Boom and bucket drop automatically, obvious hydraulic cylinder drifting phenomenon |
| 2 | Machine action sluggish and jerky, response becomes abnormal after oil temperature rises |
| 3 | Local overheat around valve block, internal fluid blowby leads to power decline |
All models for compatibility reference only. Premium hydraulic control valve keeps stable flow and pressure, improves operating precision and protects whole hydraulic system safely.
