SK-G01 Series - Nachi Hydraulics

SK-G01 Series
Wet Type Solenoid Operated
Directional Control Valve With
Deutsch Connector
Features
• High pressure, large capacity with
minimal pressure loss
• High dust and water resistance
(JIS C 0920 IP67)
• High vibration proof
(JIS D 1601 3 D Grade 90 Division 400)
• Shockless type available (Option: F)
• Diode built in coil available (Option: G)
• Low switching noise and very long life

Specifications
Model Number
JIS Symbol Operation
Maximum Flow
Rate L/min(gpm)
Standard Type
Maximum Working
Pressure MPa(psi)
SK-G01
Maximum Flow
Rate L/min(gpm)
Shockless Type
Maximum Working
Pressure MPa(psi)
b
A
P
b
b
b
b
b
B
T
Maximum Working
Pressure MPa(psi) P, A, B ports
Maximum Allowable
Back Pressure MPa(psi) T port
Switches/min
Option
Weight kg (lbs)
Operating Environment
Operating Fluid
Mounting Bolts
Model Code
A
B
P T
a
A
P T
A B
B
a
P T
A B
a
P
T
A B
P
T
A B
P
T
a
a
a
A3X
H3X
E3X
C5
80 (21.1)
100 (26.4)
C6 80 (21.1)
Standard Type 35 (5075)
Shockless Type 25 (3625)
Standard Type
Shockless Type
21 (3045)
Standard Type
Shockless Type
120
Shockless
F
Surgeless (Diode built in coil)
G
Double solenoid 2.0 (4.41)
Single solenoid 1.5 (3.31)
Dust Resistance/Water Resistance Rank
JIS C 0920 IP67
Vibration Proof JIS D 1601 3 D Grade 90 Division 400
Ambient Temperature
-30~+50°C (-22~+122°F)
Temperature Range
-25~+80°C (-13~+176°F)
Viscosity Range
15~300mm 2 /s(cSt)
Filtration
25 µm or less
Size x Length
M5x45 or #10x44.5, four bolts
Hexagon socket head bolts of strength 12T
Tightening Torque
5~7N•m (3.69~5.16lbf•ft)
Note) 1. Maximum operating pressure depends on the valve type. For details, see "Permissible pressure-flow rate values.”
2. A protective cover is recommended to avoid splashing the valve directly.
3. For mounting bolts, use 12T or equivalent.
4. Mounting bolts are not included.
S K - G 0 1 - A 3 X - D G T - D 1 - 5 5 0 3 H
35 (5075)
Design number
Power supply D1=DC12V D2=DC24V
Deutsch connector
Auxiliary symbol (Can be combined in alphabetic sequence)
F: Shockless type G: Surgeless type (Diode built in coil)
Transistion Flow Path
(A3X, H3X, E3X and C7Y)
Center position
Operation method
50.0 (13.2)
C4
50.0 (13.2)
C7Y 40 (10.6)
3
A B
P
b
T
X
Closed
Y
Semi-open
25 (3625)
4 5 6 7
A B A B A B A B
P
T
P
T
A H C E
Spring offset type Spring Center type Detent type
A B
A B
a
b
P
A B
T
b
P
T
A B
a
P T
P T
P T
P T
Nominal diameter
Mounting method G: Gasket type
Wet type solenoid operated directional control valve

Solenoid Assembly Specifications
Solenoid
Type
DC
Power
Supply
Type
D1
D2
Voltage
(V)
DC12
DC24
Solenoid Coil
Model Number
EKB64-DT-D1-5503
EKB64-DGT-D1-5503(Surgeless type)
EKB64-DT-D2-5503
EKB64-DGT-D2-5503(Surgeless type)
Holding
Current (A)
Holding
Power (W)
Allowable
Voltage
Range (V)
2.5 30 10.8 - 13.2
1.25 30 21.6 - 26.4
Permissible Pressure-Flow Rate Values
•Standard type
Type
Standard Type
Operation
A B
A B
A
Example b
a b
a b
Operation
P T
P T
P
Symbol
A3X B I I
H3X B I I
E3X A H H
C4 D D D
C5 A G G
C6 C G G
C7Y E I I
•Shockless type
B
T
a
Flow L/min (gpm)
100
(26.4)
80
(21.1)
60
(15.9)
40
(10.6)
20
(5.3)
0
5
(725)
10
(1450)
G
H
I
D
15 20 25
(2175) (2900) (3625)
Pressure MPa (psi)
C
30
(4350)
A
B
E
35
(5075)
Type
Shockless Type
Operation
A B
A B
A
Example b
a b
a b
Operation
P T
P T
P
Symbol
A3X J N N
H3X J N N
E3X J M M
C4 J J J
C5 J N N
C6 K N N
C7Y L N N
B
T
a
Flow L/min (gpm)
50
(13.2)
40
(10.6)
30
(7.9)
20
(5.3)
10
(2.6)
0
5
(725)
M
10
(1450)
15
(2175)
20
(2900)
Pressure MPa (psi)
N
K
L
J
25
(3625)
Switching Response Time
Model Number
Response Time (sec.)
Solenoid ON
Solenoid OFF
SK-G01-**-DT-D*-5503H 0.03 to 0.04 0.02 to 0.04
SK-G01-**-DGT-D*-5503H 0.03 to 0.04 0.07 to 0.10
SK-G01-**-DFGT-D*-5503H 0.07 to 0.10 0.10 to 0.15
Measurement Conditions
14MPa (2030psi)
30L/min (7.9gpm)
Note) The switching response time changes slightly with operating conditions. (Pressure, flow rate, viscosity, etc.)

E
.
,
Dimensional Drawings
T
0.75(0.03)
5.1(0.2)
15.5(0.61)
25.9(1.02)
31(1.22)
31.75(1.25)
A
B
P
PLUG-IN CONNECTOR
DT06-2S(DEUTSCH)
+
-
MANUAL PUSH PIN
7.5(0.3)DIA.
12.7(0.5)
21.5(0.85)
30.2(1.19)
40.5(1.59)
S U
A
G
N
D
NAC H
I
HYD
'
D12G
C O
T D
L
.
48(1.89)
66(2.6)
SOL.b
37.5(1.48)
46(1.81)
25.5(1)
109(4.29)
148(5.83)
66(2.6)
39(1.54)
5.5(0.22)DIA.THRU
SOL.b
SOL.a
37.5(1.48)
5.5(0.22)DIA.THRU
66(2.6)
109(4.29) 109(4.29)
218(8.58)
2 4 3
1
2 4 3
1
Sealing Parts
Part No.
Part
Name
Part No.
Quantity
Single Double
Solenoid Solenoid
1 O-ring AS568-012(Hs90) 4 4
2 O-ring 1A-P20 1 2
3 O-ring 1B-P18 2 2
4 O-ring S-25 1 2
Note) 1A and 1B are JIS Standard B 2401, while AS568 is SAE Standard.
NACHI AMERICA INC.
17500 23 Mile Road, Macomb, MI 48044
Tel. (800)622-4410 Fax. (586)226-5289
Email: hydraulics@nachiamerica.com
www.nachihydraulics.com
08/08-1M