Chat Now |
Home ProductsHydraulic Safety Valve

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

All Products

Excavator Hydraulic Pump

(68)

Excavator Hydraulic Pump Parts

(40)

Excavator Final Drive

(10)

Excavator Swing Motor

(17)

Excavator Control Valve

(5)

Excavator Center Joint

(2)

Excavator Cooling Motor

(23)

Solenoid Valve Switch

(71)

Hydraulic Oil Pump

(2)

Hydraulic Gear Pump

(7)

Excavator Joystick

(1)

Travel Control Valve

(1)

Hydraulic Safety Valve

(89)

Excavator Gearbox

(1)
I'm Online Chat Now

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts
HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

Large Image :  HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

Product Details:
Place of Origin: Guangdong , China
Brand Name: YFM FK
Model Number: HD450
Payment & Shipping Terms:
Minimum Order Quantity: 1 unit
Price: $10-88 / unit
Packaging Details: Export standard packaging
Delivery Time: 15-30
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Supply Ability: 50
Contact Now Chat Now

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

Description
Product Name: Excavator Hydraulic Parts Part Name: Secondary Safety Relief Valve
Warranty: 3 Months Application: HD450 Crawler Excavator
Model: HD450 Function: Boom , Arm , And Bucket Overload Protection In Control Valve System
Highlight:

HD450 Secondary Relief Valve

,

Excavator Control Valve Replacement

,

Boom

HD450 Excavator Control Valve Secondary Safety Relief Valve Assembly
Boom, arm, and bucket overload protection in control valve system . Precision-engineered replacement assembly manufactured with hardened alloy steel components for reliable hydraulic protection in demanding construction environments .
Failure Symptoms
Weak
or drifting boom under load
Arm
dropping during lifting
Bucket
pressure relief failure
Compatible Models
HD450 Excavator
Technical Specifications
ParameterSpecification
Product TypeSecondary Safety Relief Valve Assembly
Compatible MachineHD450 Crawler Excavator
FunctionBoom, arm, and bucket overload protection in control valve system
MaterialHardened Alloy Steel
ApplicationExcavator Hydraulic Control Valve System
Warranty3 Months
Company Profile

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

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 .

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

Factory Display

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

HD450 Excavator Control Valve Secondary Safety Relief Valve Replacement Parts

">FAQ
Q1 : What does this Secondary Safety Relief Valve do in the HD450 excavator ?
This valve provides boom, arm, and bucket overload protection in control valve system . It is a critical component in the HD450 excavator hydraulic control system . Symptoms of a failing valve include : weak or drifting boom under load; arm dropping during lifting; bucket pressure relief failure .
Q2 : Is this valve compatible with my HD450 excavator ?
Yes, this secondary safety relief valve is specifically designed for HD450 excavator control valve assemblies . Please provide your machine serial number for exact fitment confirmation within 24 hours .
Q3 : What material is the secondary 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 Secondary 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 HD450 Secondary Safety Relief Valve ?
We offer a 3-month warranty on all HD450 secondary 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 .

Tag:

Main Safety Valve,

Excavator Valve Replacement,

Rotary Relief Valve

Contact Details
Guangzhou Xingfan Precision Hydraulic Co., Ltd.

Contact Person: Mr. Qu

Tel: +86 15218836774

Fax: 86--15622228066

Send your inquiry directly to us (0 / 3000)

About

Excavator Cooling Motor

505-5180 Hydraulic Fan Piston Pump 349 340 352 350 336 355 345 Excavator Cooling System Part

564-9801 Hydraulic Fan Piston Pump 340 336 345 374 MH3250 Excavator Cooling System Part

234-4638 Excavator Fan Cooling Motor Hydraulic System for 330D 336D 340D M330D Series

Solenoid Valve Switch

109-4367 Generator Set Exhaust Temperature Sensor Assembly Replacement for Mining Excavator and Heavy Equipment

317-9564 4-Pin Ampseal Exhaust Temperature Sensor Replacement for Truck Engines C7 C-9 C9

239-9957 D6N Hydraulic Switch For Crawler Excavator Direct From Factory

LEAVE MESSAGE

Privacy Policy | China Good Quality Excavator Hydraulic Pump Supplier. © 2009 - 2026 Guangzhou Xingfan Precision Hydraulic Co., Ltd.. All Rights Reserved.