DH6/10

Shock damping valve
Type indication
Sandwich type shock damping valve
Nominal dimension
5, 6, 10
Type of valve
1 = Shock damping valve for unloading
2 = Shock damping valve for 3 stage pressure
Type of hydraulic oil
No symbol Mineral based hydraulic oil
V Phosphate ester based hydraulic oil
W Fatty ester based hydraulic oil
Water-glycol based hydraulic oil
Series number: 10
Hydraulic symbols
Specifications
Nominal dimension
5
6 10
Maximum working pressure MPa (kgf/cm 2 )
30.9 (315)
Maximum flow rate L/min
4
8 12
Mass kg
For unloading 1.0 1.2 1.9
For 3 stage pressure 1.7 1.7 2.1
Mounting bolt
Type Hexagon socket head cap thread Quantity Tightening torque Nm (kgfcm 2 )
ZNS 5
M590L 4 pcs. 6.91.0 (7010)
ZNS 6
ZNS 10
M585L*
M670L*
4 pcs.
4 pcs.
6.40.5 (65 5)
13 1 (13310)
*When the solenoid valve is 10 Series, mounting bolts are as shown in the table below.
Type Hexagon socket head cap thread Quantity Tightening torque Nm (kgfcm 2 )
ZNS 6 M590L 4 pcs. 7.40.5 (75 5)
ZNS 10 M685L 4 pcs. 11.81.7 (12018)
When using the valve
The use of a shock damping valve can eliminate a shock that occurs
when a load condition is switched to a no-load condition.
Pressure
Time
A shock damping valve can be
incorporated into the following
relief valves manufactured by
us for use.
For details, refer to the section
of each relief valve in the type
number index.
without shock damping valve
With shock damping valve
(Unloading time can be changed
by turning the spring adjust thread.)
(Note) If unloading time is made too long,
unloading may not be performed.
Type of shock damping valve
ZNS5-1
ZNS5-2
ZNS10-1
Type of applicable relief valve
RBE10, 20, 30, 35
PUE10, 20, 30
3RBE10, 20, 30
RBE52, 82
Shock damping valve
4-39