DH300-7 Excavator Control Valve Rotary Swing Safety Relief Valve Replacement Parts
Price:
$10-88 / unit
MOQ:
1 unit
Delivery Time:
15-30
Brand:
YFM FK
Product Description
DH300-7 Excavator Control Valve Rotary Swing Safety Relief Valve Assembly
Compatible Models
Technical Specifications
Company Profile
Rotary motor swing brake protection and anti-creep control . Precision-engineered replacement assembly manufactured with hardened alloy steel components for reliable hydraulic protection in demanding construction environments .
Failure Symptoms
Swing
rotation weakness
Brake
failure on slopes
Upper
structure drift when parked
| Parameter | Specification |
|---|---|
| Product Type | Rotary Swing Safety Relief Valve Assembly |
| Compatible Machine | DH300-7 Crawler Excavator |
| Function | Rotary motor swing brake protection and anti-creep control |
| Material | Hardened Alloy Steel |
| Application | Excavator Hydraulic Control Valve System |
| Warranty | 3 Months |
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 .
Q1 : What does this Rotary Swing Safety Relief Valve do in the DH300-7 excavator ?
This valve provides rotary motor swing brake protection and anti-creep control . It is a critical component in the DH300-7 excavator hydraulic control system . Symptoms of a failing valve include : swing rotation weakness; brake failure on slopes; upper structure drift when parked .
Q2 : Is this valve compatible with my DH300-7 excavator ?
Yes, this rotary swing safety relief valve is specifically designed for DH300-7 excavator control valve assemblies . Please provide your machine serial number for exact fitment confirmation within 24 hours .
Q3 : What material is the rotary swing 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 Rotary Swing 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 DH300-7 Rotary Swing Safety Relief Valve ?
We offer a 3-month warranty on all DH300-7 rotary swing 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 .
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Guangzhou Xingfan Precision Hydraulic Co., Ltd.
Location
Room 416, No. 1218, Middle Zhongshan Avenue, Tianhe District, Guangzhou, China
Contact Person
Qu





