DH6/10

Hydraulic symbols Pressure increase value per turn (clockwise) of adjust thread MPa (kgf/cm 2 )
P
Highest
Nominal
dimension
6
adjustment pressure
25 0.4 (4.3)
8, 10 15, 20 25, 30
0.4 (3.9)
0.4 (3.9)
0.4 (3.9)
50
0.8 (8.4)
0.8 (8.6)
0.7 (7.0)
0.8 (7.9)
100
1.5 (15.8)
1.8 (18.0)
1.7 (17.1)
1.6 (16.1)
T
200
3.7 (38.2)
3.4 (35.0)
4.6 (47.1)
4.2 (43.2)
315
5.9 (60.7)
5.4 (55.1)
6.4 (65.4)
6.1 (62.3)
400
10.8 (110.7)
6.5 (66.1)
10.9 (111.5)
630
12.8 (130.8)
(Note) As the above value is a calculated value, there are slight variations in the product.
Specifications
Nominal dimension 6 8 10 15 20 25 30
Maximum working
pressure
Port P
39.2 (400)
61.7 (630) 39.2 (400)
30.9 (315)
MPa (kgf/cm 2 )
Port T
30.9 (315)
Maximum flow rate L/min (Note)
50
120 250 330
Thread connection type 1.5
3.7 6.4 13.9
Mass kg Gasket connection type
Cartridge type
1.5
0.4
3.7
0.5
6.4
1.0
13.9
2.2
(Note) As the maximum flow rate differs depending on the set pressure, refer to “Pressure override characteristics”.
Sub-plate
Valve type
RD6P
RD10P
RD20P
RD30P
Sub-plate type
P-RD6R14-0
P-RD6G14-0
P-RD10R12-0
P-RD10G12-0
P-RD20R34-0
P-RD20G34-0
P-RD20R1-0
P-RD20G1-0
P-RD30R54-0
P-RD30G54-0
P-RD30R32-0
P-RD30G32-0
Connection diameter
Rc 1 4
G 1 4
Rc 1 2
G 1 2
Rc 3 4
G 3 4
Rc 1
G1
Rc1 1 4
G1 1 4
Rc1 1 2
G1 1 2
Mass
1.3kg
When you use a sub-plate, please place an order for the above sub-plate type.
For the dimension drawing, refer to page 8 of the appendix.
3kg
5.3kg
10.5kg
Accessories
Mounting bolt
Type
RD6P
RD10P
RD20P
RD30P
Hexagon socket
head cap thread Quantity Tightening torque Nm (kgfcm)
M6×50L
M8×70L
M8×80L
M10×105L
4
4
4
4
11.8 ± 1.7 (120 ± 18)
29.4 ± 4.4 (300 ± 45)
56.8 ± 8.5 (580 ± 87)
Relief valve – Direct operated type
2-3