Hydraulic excavator

CAT 399-8414 CAT Valve Boom lowering

Description for Spare Part Number 399-8414
A Boom Lowering Control Line Check Valve is used to regulate the flow of hydraulic fluid within the boom lowering control circuit. It features integrated seals to ensure a leak-proof seal, effectively preventing any hydraulic fluid leakage. The main function is to allow hydraulic fluid to flow in only one direction—from the hydraulic pump to the hydraulic cylinder that manages the boom lowering operation—while blocking any reverse flow.

Compatible Models for Spare Part Number 399-8414
EXCAVATORS

390F, 390F L, 374F, 374F L, 390F

MATERIAL HANDLERS
Nedpfjx Sqpasx Ahuoku

MH3295

Attributes:
• Designed to withstand high pressures and elevated temperatures encountered during machine operation
• Supports the stability of the boom

Applications:
The Boom Lowering Control Line Check Valve serves as a one-way flow control component, ensuring reliable operation and safety of the boom lowering control circuit by maintaining the correct flow direction and protecting against potential damage.

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