Direct-acting Relief Valve DRV1
OPERATION
The valve prevents flow from 1 to 2 until the set crack pressure at protecting the circuit from over pressurization.
SPECIFICATIONS
Operating pressure:350Bar
Flow:See PRESSURE DROP VS. FLOW graph.
Internal leakage:5 drops/min. MAX.to 80% of norminal setting
Reseat Pressure:Nominal 80% of crack pressure
[crack(set) pressure at 095lpm/0.25gpm]
Spring Ranges:
20 TO 125BAR;PRESET:69BAR
40 TO 180BAR;PRESET:138BAR
180 TO 350BAR;PRESET:207BAR
Temperature:-30 to + 120 degree C
Filtration:ISO 19/15
Fluids:Mineral-based fluids.
DRV1 Dimensions
DRV1 Symbols
Ningbo Yuzhou Hydraulic was founded in 1995, specialized in mobile hydraulic valves and motors, Including hydraulic motors, flow sharing control valve, slewing cushion valve, balance valve, proportional valve, cartridge valve, relief valve, check valve etc, which are widely used in concrete pump machinery, excavators, mobile cranes, forklift, hydraulic winches, drilling equipment, garbage trucks, agricultural/forestry machines, Aerial Work Platforms etc
50000 + M² Factory area,
30+ Senior experts and engineers R&D team
20+ Quality control
60+National Patent and 30 innovation patent
200+ Staff
In 2005 established "Yuzhou hydraulic valves Engineering Center", has more than 30 Senior experts and engineers R&D team, Has developed 7 series of more than 300 kinds of products, and got 60 national patent which 30 innovation patent.
Yuzhou cooperated partner including XCMG, SANY, Zoomlion, LIUGONG, Manitowoc, TEREX, etc.
Yuzhou not only manufacturing for you, but also can design the hydraulic valves or hydraulic system according your demand.
