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EC460 EC460C Zax450 EC460B Pressure Relief Valve 4674564 Voe4674564 Voe14597185 14597185
Product Name：Volvo/Hitachi Excavator Pressure Relief Valve (Part No.: 4674564 / VOE4674564, interchangeable with VOE14597185 / 14597185)
Applicable Equipment：
- Brand: Volvo, Hitachi
- Models: Volvo EC460, EC460B, EC460C, Hitachi ZAX450 series large hydraulic excavators
- System: Main hydraulic system / main control valve overload protection circuit
1 pc
MOQ
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Price
Product Description
Core Parameters：
- Part Number: 4674564 (also marked as VOE4674564, compatible with VOE14597185 / 14597185)
- Type: Cartridge-type Pressure Relief Valve
- Structure & Material: High-strength alloy steel body + stainless steel spool + oil-resistant rubber O-ring seals + adjustment nut assembly
- Function: Limits maximum hydraulic system pressure to prevent overload damage to hydraulic pumps, cylinders, and pipelines, ensuring safe and stable system operation
Function & Application：
- Overload Pressure Protection: When system pressure exceeds the preset safe threshold, the spool automatically opens to release excess hydraulic oil back to the tank, stabilizing system pressure within a safe range and preventing hydraulic components from bursting or failing due to overload.
- Precise Pressure Adjustment: The end adjustment nut allows fine-tuning of relief pressure to match work requirements for different conditions (e.g., digging, breaking, lifting).
- Durability & Reliability: Impact and wear-resistant alloy steel body and stainless steel spool, plus oil-resistant O-rings for reliable sealing, adapt to the high-load, high-vibration harsh environment of large excavators.
- OEM Interchangeability: Precision manufactured to Volvo/Hitachi original standards, perfectly matching mounting dimensions, sealing structure, and pressure characteristics for direct replacement of the original 4674564 or 14597185 relief valve without additional calibration.
Application Scenario：
Suitable for hydraulic system maintenance and replacement of large excavators like Volvo EC460 series and Hitachi ZAX450, resolving issues such as abnormal system pressure, weak operation, pipeline bursts, and overload alarms. It is a core hydraulic protection component to ensure efficient and safe operation of large excavators.
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Address：
No. 23 Bridge Pier, Chengfeng Excavator Parts, Baoye City Green Garden (East Area), Tongling Road, Datong Road Subdistrict, Yaohai District, Hefei, Anhui, China.
Tel：
13427233834
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+8613427233834
Email：
18820999946@163.com
13427233834@163.com