High-Precision Hydraulic Cartridge Pressure Control Valve - RDFA Series

Direct-Acting Relief Valve
for instant pressure regulation with ultra-responsive performance.
CNC-machined brass core
ensures durability under high-pressure conditions (up to 350 bar).
Precision-ground sealing surfaces
eliminate leaks for zero downtime.
Factory-direct wholesale pricing
with bulk discounts for industrial buyers.
Fully compliant with ISO 4401 standards
, compatible with global hydraulic systems.
Ideal for:
Mobile hydraulics (excavators, loaders), industrial machinery, and automated production lines.
Made in China
with strict QC for OEM/ODM partners.
Why choose us?
Lowest global prices, guaranteed. One-stop procurement for all hydraulic components. Fast bulk shipping to warehouses worldwide.