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{"title":"E320C Excavator Control Valve Secondary Safety Relief Valve Components","imgUrl":"https:\/\/img.chinax.com\/nimg\/a5\/86\/7a9f52ed1638a74f7490dff3e235-200x200-1\/e320c_excavator_control_valve_secondary_safety_relief_valve_components.jpg","attrs":{"Part name":"Secondary Safety Relief Valve","Packaging Details":"Export standard packaging","Model":"E320C","Product name":"Excavator Hydraulic Parts"}}
{"title":"E320C Excavator Control Valve Pilot Safety Relief Valve Assembly Parts","imgUrl":"https:\/\/img.chinax.com\/nimg\/29\/13\/8b5c5a3ec1559fe4828a7054abed-200x200-1\/e320c_excavator_control_valve_pilot_safety_relief_valve_assembly_parts.jpg","attrs":{"Function":"Pilot control circuit pressure protection for precise joystick operation","Brand Name":"YFM FK","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union","Warranty":"3 Months"}}
{"title":"E320C Excavator Control Valve Final Drive Safety Relief Valve Components","imgUrl":"https:\/\/img.chinax.com\/nimg\/79\/51\/af73ecff29945529588c703dede2-200x200-1\/e320c_excavator_control_valve_final_drive_safety_relief_valve_components.jpg","attrs":{"Function":"Final drive motor pressure protection for travel system","Place of Origin":"Guangdong , China","Warranty":"3 Months","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union"}}
{"title":"E320C Excavator Control Valve Priority Safety Relief Valve Assembly Parts","imgUrl":"https:\/\/img.chinax.com\/nimg\/79\/51\/af73ecff29945529588c703dede2-200x200-1\/e320c_excavator_control_valve_priority_safety_relief_valve_assembly_parts.jpg","attrs":{"Part name":"Priority Safety Relief Valve","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union","Packaging Details":"Export standard packaging","Model":"E320C"}}
E320 Excavator Control Valve Unloading Safety Relief Valve Assembly
Unloading circuit pressure relief for hydraulic system protection . Precision-engineered replacement assembly manufactured with hardened alloy steel components for reliable hydraulic protection in demanding construction environments .
Failure Symptoms
Hydraulic
shock during unloading
Pressure
spike at neutral position
Pump
cavitation noise
Compatible Models
E320 Excavator
Technical Specifications
Parameter
Specification
Product Type
Unloading Safety Relief Valve Assembly
Compatible Machine
E320 Crawler Excavator
Function
Unloading circuit pressure relief for hydraulic system protection
Material
Hardened Alloy Steel
Application
Excavator Hydraulic Control Valve System
Warranty
3 Months
Company Profile
ABOUT US
Guangzhou Xingfan Precision Oil Pressure Co. , Ltd. focuses on the after-market hydraulic maintenance and replacement of construction machinery including excavator, rotary drilling rig, pile driver, concrete mixer, delivery pump truck, crane, harvester and other equipment . Including hydraulic pump, traveling motor, rotary motor, distribution valve multi-way valve, gear pump, operating handle, walking foot valve, etc .
Factory Display
FAQ
Q1 : What does this Unloading Safety Relief Valve do in the E320 excavator ?
This valve provides unloading circuit pressure relief for hydraulic system protection . It is a critical component in the E320 excavator hydraulic control system . Symptoms of a failing valve include : hydraulic shock during unloading; pressure spike at neutral position; pump cavitation noise .
Q2 : Is this valve compatible with my E320 excavator ?
Yes, this unloading safety relief valve is specifically designed for E320 excavator control valve assemblies . Please provide your machine serial number for exact fitment confirmation within 24 hours .
Q3 : What material is the unloading safety relief valve made of ?
The valve body is precision-machined from hardened alloy steel with heat treatment for wear resistance . Internal components undergo strict dimensional and pressure testing before assembly to ensure reliable operation under demanding hydraulic conditions .
Q4 : Do you provide installation support for this Unloading Safety Relief Valve ?
We recommend installation by a qualified hydraulic technician . Our engineers provide torque specifications, pressure calibration guidance, and troubleshooting support via video call or email . Proper installation ensures optimal valve performance and system reliability .
Q5 : What is the warranty and delivery time for the E320 Unloading Safety Relief Valve ?
We offer a 3-month warranty on all E320 unloading safety relief valve assemblies . Standard delivery is 15-30 days with export-standard packaging . Payment via T/T, Western Union, or PayPal is accepted . Volume pricing available for bulk orders .
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2022.11.18
Total Annual:
5000000-10000000
Employee Number:
5~10
Ecer Certification：
Verified Supplier
Guangzhou Xingfan Precision Oil Pressure Co. , Ltd. focuses on the after-market hydraulic maintenance and replacement of construction machinery including excavator, rotary drilling rig, pile driver, concrete mixer, delivery pump truck, crane, harvester and other equipment . Including hydraulic p...
Guangzhou Xingfan Precision Oil Pressure Co. , Ltd. focuses on the after-market hydraulic maintenance and replacement of construction machinery including excavator, rotary drilling rig, pile driver, concrete mixer, delivery pump truck, crane, harvester and other equipment . Including hydraulic p...
