Direct Operated Pressure Relief Valve
ECONO SERIES
■
Direct Operated Pressure Relief Valve
Graphic Symbol
■ Model Number Designation
*1 Design numbers subjected to change, but installation dimensions remains as shown.
EIC-C-1008-0
1
These valves are used in a hydraulic circuit to prevent damage due to excess pressure and to adjust the max.
Pressure of small capacity. Available sizes NG6 & NG10.
■ Specifications
Model Number
Max. Operating
Pressure
Kgf/cm²
Pres. Adj. Range
Kgf/cm²
Max. Flow
L/min.
Mass
Kg.
YCB-06
400
See Model No.
Designation
50 1.5
YCB-10 120 3.25
YCB -06 -A -G -2 -10
Series Number
Valve
Size
Pres. Adj.
Range
Kgf/cm²
Type of
Mounting
Type of
Operation
Design*
1
Number
YCB: Cartridge type
Relief Valve
06
10
A0 :
0-25
A : 7-50
B : 50-100
C : 100-200
D : 150-315
E : 150-400
None: Cartridge
Type
G: Sub Plate
Type
T: Threaded
Type
1 : Adj. Screw
2 : Hand Knob
10
■ Mounting Bolts
Model
Numbers
Socket Head Cap Screw Qty.
Mounting Bolt
Ordering Code
YCB-06- -G-10
M6 x 35 Lg. 4 BKYCB-06-10
YCB-10- -G- -10
M8 x 50 Lg. 4 BKYCB-10-10
Direct Operated Pressure
Relief Valve
C
ECONO SERIES
2
■ Mounting Details
Fully Extended A
C
B Thd.
D
Cartridge Type
Sub-plate Mounting
D
E
F
B
C
T
P
DIMENSIONS IN
MILLIMETRES
Model Numbers A B C D
Cavity
Details
YCB-06- -1-10
132
M28 x 1.5 A/F 32 69
Refer Page
No. 3
YCB-06- -2-10
158
YCB-10- -1-10
142
M35 x 1.5 A/F 36 82.5
YCB-10- -2-10
169
Model Numbers A B C D E F
YCB-06 147.6 80 67.6 40 35 55
YCB-10 164 100 90.3 60 41 65
Direct Operated Pressure Relief Valve
ECONO SERIES
Threaded Type
Fully Extended A
B
C
E
D
F
G
H
J
P
P
T
YCB-06- -2-10
Model Numbers A B C D E F G H J
YCB-06 174 80 94 55 55 30 45 60 35
YCB-10 168.5 100 68.5 69 70 40 60 80 41
DIMENSIONS IN
MILLIMETRES
Direct Operated Pressure Relief Valve
3
■ Mounting Cavity Dimensions
19 Dia.
32 Dia.
32 Dia.
M35 x 1.5 x 18Deep
C2
(33.5 Dia.)
0.05
A
23
35
52
±0.1
±0.1
0.03
A
+0.05
0
+0.062
0
1
5
°
0.02
30
19
±0.1
±0.1
24.9 Dia.
45
+0.05
0
15 Dia.
25 Dia.
(26.5 Dia.)
M28 x 1.5 x 15Deep
0.05
A
0.02
0.03
A
+0.052
0
1
5
°
10 Dia.
11.7 Dia.
T
T
P
P
P
P
C2
YCB-06 YCB-10
Note : Two optional ‘P’ ports at 90° to each other are provided. Block the one not in use.
Note : Two optional ‘P’ ports at 90° to each other are provided. Block the one not in use.
Direct Operated Pressure
Relief Valve
C
ECONO SERIES
4
Direct Operated Pressure Relief Valve
Flow
L/min.
10 20 30 40 50
Pressure
Kgf/cm²
50
100
150
200
250
300
350
400
450
25 Kgf/cm²
50 Kgf/cm²
100 Kgf/cm²
200 Kgf/cm²
315 Kgf/cm²
400 Kgf/cm²
0
Flow
L/min.
10 20 30 40 45 50
50
100
150
200
250
0
Flow
L/min.
10 20 30 40 100
50
100
150
200
250
Kgf/cm²
Pressure
60 80 120
Kgf/cm²
Pressure
20 40 60 80 100 120
Flow
L/min.
Pressure
Kgf/cm²
0
50
100
150
200
250
300
350
400
450
25 Kgf/cm²
50 Kgf/cm²
100 Kgf/cm²
200 Kgf/cm²
315 Kgf/cm²
400 Kgf/cm²
■ Pressure Characteristics Curve
YCB-06
YCB-10
■ Minimum Adjusting Pressure
YCB-06 YCB-10
90
70
20
40
55
45
20
13
6 Dia. x Thru.
2 Places
G1/4
25
C5
C5
25
8.8 Dia. x Thru.
14 Dia. x 9 Deep C'bore
2 Places
P
T
M6 x Thru.
4 Places
ECONO SERIES
Direct Operated Pressure Relief Valve
■ Sub-plate
115
100
25
50
26
70
60
20
40
34
57.5
M8 x 30 Deep
4 Places
1/2" BSP.F
9.8 Dia. x Thru.
18 Dia. x 10 Deep C'bore
10 Dia.
x 30 Deep.
R5
4 Places
G 1/2
10 Dia. x Thru.
R5
4 Places
Valve
Model
Numbers
Sub-plate
Model
Numbers
Thread
Size
Approx.
Mass
Kg.
YCB-06- -G- 10
YCBM-06-10 1/4 BSP.F 2.5
YCB-10- -G- 10
YCBM-10-10 1/2 BSP.F 3.4
Sub-plate: YCMB-06-10
Sub-plate: YCMB-10-10
DIMENSIONS IN
MILLIMETRES
Direct Operated Pressure
Relief Valve
C
5
