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GVO 669-1365-1003 Hydraulic Main Control Relief Valve Overload Valve Safety Valve for Excavator HD400-1 HD450 HD700-7 Valve Part
Key attributes
Part name
Main Relief Valve
Packing
Carton
Model
HD400-1 HD450 HD700-7
Certificate
CE, ISO
P/N
669-1365-1003
Delivery
3-15 Days
MOQ
1PC
Shipping port
Huangpu,Guangzhou
Critical System Protection
Prevents Catastrophic Overload – As the main system relief valve, it sets the maximum pressure limit for the entire hydraulic circuit. When system pressure exceeds the preset limit, the valve opens instantly to relieve excess pressure, protecting expensive components such as pumps, control valves, and cylinders from damage.
Fast & Accurate Response – The relief valve provides overload protection in a fast and accurate way: when it reaches the pressure setting, the valve opens immediately to prevent pressure from exceeding the safe limit.
Precision Engineering & Durability
Hardened Internal Components – Featuring internal parts made of hardened and ground steel for excellent wear resistance and long service life under high-pressure conditions.
If you need other relief valves, send us the related details please:
1.The pictures
2.The p/n
3.The size
We Help You Plan, Not Just React
Great maintenance isn't just about fixing what breaks. It's about anticipating what could break — and having the right parts ready when you need them.
How We Support Your Maintenance Strategy:
Inventory planning support – We help you identify which parts to keep on hand for your fleet.
Regular stock updates – Know what's available before you need it.
Predictive guidance – Based on common failure patterns, we recommend parts you may need soon.
Bulk and scheduled orders – Plan ahead and save on logistics.
The Result
When you're in a bind, we're at our best. Because we know that emergency parts aren't just orders — they're solutions to a problem you need solved yesterday.
GVO — When every minute counts, we count too.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company