relief valve

modular relief valve
1.model: 02 03
2.working pressure(Mpa): 7/14 / 21 /31.5

Hitachi relief valve
excavator oil control valve
Apply to: EX200-2

Electro-Hydraulic Proportional Relief & Flow Control Valve
Max Operational Pressure:25 Mpa ( 255 kgf/cm2 )
Max Flows:125 l/m

1.Fine rigid raw materials
2.Standard heat treatment for good service life
3.100% tested before delivery

-Sandwich plate valve
- 4 pressure ranges
- 5 circuit options
-With one or two pressure relief cartridges
- 4 adjustment elements

Available excavator Model number : PC200-6 valve
Available excavator part number : 723-40-50100
High quality, fast delivery , good after-service

Proportional relief valve
DN 6
Component series 1X
Maximum operating pressure 315bar
Maximum flow 30L/Min

1. Sensitive adjustment
2. Two different pressure range optional
3. Standard pressure setting
4. Leak proof hex. and socket screw

-Three adjustment elements:
. Rotary knob
. Hex. head screw with protective cap
. Lockable rotary knob with scale

Available excavator Model number :PC200-7 PC210-7
Available excavator part number : 723-40-91200
High quality, fast delivery , good after-service

Pilot operated unloading relief valve
1.model: 03 06 10
2.working pressure(Mpa):5 10 20 31.5
3working voltage: DC12V 24V AC110V 220V

1. Four pressure adjustment range
2. Pressure pre-setting
3.Hidden adjustment screw to protect wrong operation

Available excavator Model number :PC200-6 PC200-7
Available excavator part number : 723-40-91132
High quality, fast delivery , good after-service

-Three adjustment elements:
. Rotary knob
. Hex. head screw with protective cap
. Lockable rotary knob with scale
-Solenoid operated unloading via

Available excavator Model number: PC200-7 valve
Available excavator part number : 723-40-71102
High quality, fast delivery , good after-service

QFZ control valve group for accumulator ( profesional designed)
1.Nominal diameter:20,25,32,40 mm
2.Pressure regulating range: 16~31.5MPa

The pressure relief valves (DB) consist mainly of the main valve (1) with main spool assembly (3) and pilot operated valve (2) with pressure.....

Available excavator Model number: PC200-6 6D102
Available excavator part number : 723-40-51102
High quality, fast delivery , good after-service

1.All the key parts of the valves hardened for long service life
2.N90 materials as the O-ring for good sealing on manifolds

Explosion isolation proportional cartridge relief valve
specification:25 32 40 50
working pressure(Mpa) 7 16 25 31.5
maximum flow(l/min) 400 750

Available excavator Model number: PC200-6 4D95
Available excavator part number : 723-40-50201
High quality, fast delivery , good after-service

-Sandwich plate valve
- 4 pressure ranges
- 5 circuit options
-With one or two pressure relief cartridges
- 4 adjustment elements

1. Without directional valve mounted
2. Subplate connection for manifold installation
3. Four pressure stages option

valve

Customized Steel Directional Multiple Hydraulic Valves Nonstandard
model:01 02 03
maximum pressure(Mpa) 31.5
maximum flow(l/min) 14 35 63

Available excavator Model number: PC300-5
Available excavator part number : 708-27-04311 708-27-04310
High quality,fast delivery ,good after-service

25M

-optional check valve (only for valve for subplate mounting)
-4 pressure settings

1. ISO standard mounting for Rexroth DBDS6 cartridge valves
2. Real fine pressure spring extending service life
3. Black phosphate to prevent rust

valve