DH6/10

Relief valve
S-(2)RB
Type indication
Sandwich type
Relief valve
RB Single type
2RB Double type
Nominal dimension
6, 10
Series number: 10
Relief valve incorporated port symbol
Symbol Incorporated port Flow direction of relief
Port
Port
Port
Port
Port
Port
Port
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
Highest adjustment pressure
100 = 9.8MPa100kgf/cm 2
315 = 30.9MPa315kgf/cm 2
Shape of adjustment part
4 = Thread adjustment (without cap)
The relief valve - balance piston and cartridge type
(refer to the section of the type number index of
“RB1M6, 10”) is used for the relief valve.
Hydraulic symbols
Relief valve
(Note) P1, A1, B1 and T1 show ports on the sub-plate side while P, A, B and T show ports on the selector valve side.
4-9