In-Line Check Valves
DIRECTIONAL CONTROLS
These valves allow free flow in one direction and prevent flow in the reverse direction. Cracking pressure specified is
the pressure required to open the valve and allow free flow.
■ Specifications
■ Model Number Designation
Model Number
Rated Flow *
L/min.
Max. Operating Pressure
Kgf/cm
2
Cracking Pressure
Kgf/cm
2
Mass
Kg.
CIT-02- -2080
12
210
0.35
2.0
3.5
5.0
0.10
CIT-03- -2080
30 0.18
CIT-06- -2080
80 0.65
CIT-10- -2080
200 2.1
CI T -03 30 20 80
Series
Number
Type of
Connection
Valve
Size
Cracking Pressure
Kgf/cm
2
Design
Number
Design
standards
CI:
In-Line
Check Valve
T:
Threaded
Connection
02
5 : 0.35
30 : 2.0
50 : 3.5
75 : 5.0
20
80
03 20
06 20
10 20
For in-line check valves, standard type (for petroleum base oil) can be used phosphate ester type fluid.
A
C
E Dia.
B
Inlet Port
Outlet Port
"D" Thd.
2 Places
Model Numbers
mm
“D” Thd.
A
B
C
E
CIT-02- -2080
65 22 15 25.4 1/4 BSP.F
CIT-03- -2080
76 28 18 33 3/8 BSP.F
CIT-06- -2080
95 38 25 44 3/4 BSP.F
CIT-10- -2080
132 58 30 67 1 1/4 BSP.F
DIMENSIONS IN
MILLIMETRES
CIT-02-※-2080
CIT-03-※-2080
CIT-06-※-2080
CIT-10-※-2080
* Rated flow is the approximate flow rate, when there is a free flow pressure drop of maximum 3 Kgf/cm
2
, the
fluid has a specific gravity of 0.85, a kinematic viscosity of 20cSt, and the cracking pressure is 0.35 Kgf/cm
2
.
Graphic Symbol
■
In-Line Check Valves
EIC-E-1007-0
In-Line Check Valves
405
E
CIT-02
In-Line Check Valves
■ Pressure Drop
CIT-03
CIT-06 CIT-10
406
DIRECTIONAL CONTROLS
0
1
2
3
4
5
Pressure Drop
6
5 10 15 20
L/min.
Flow Rate
CIT -02 -5
CIT -02 -30
CIT -02 -50
CIT -02 -75
Kgf/cm²
CIT -03 -5
CIT -03 -30
CIT -03 -50
CIT -03 -75
10
20 30 40
L/min.
Flow Rate
50
0
1
2
3
4
5
Pressure Drop
Kgf/cm²
6
0
1
2
3
4
5
Pressure Drop
Kgf/cm²
6
20 40 60 80
L/min.
Flow Rate
100 100
200
L/min.
Flow Rate
300
0
1
2
3
5
Pressure Drop
Kgf/cm²
6
7
4
CIT -10 -5
CIT -10 -30
CIT -10 -50
CIT -10 -75
CIT -06 -5
CIT -06 -30
CIT -06 -50 CIT -06 -75
Hydraulic fluid : Viscosity 30 cSt (141 SSU), Specific Gravity 0.850
Right Angle Check Valves
These valves allow free flow in one direction and prevent flow in the reverse direction. Cracking pressure specified
is the pressure required to open the valve and allow free flow.
■ Specifications
■ Model Number Designation
* Rated flow is the approximate flow rate, when there is a free flow pressure drop of maximum 3 Kgf/cm
2
, the
fluid has a specific gravity of 0.85, a kinematic viscosity of 20cSt, and the cracking pressure is 0.4 Kgf/cm
2
.
■ Mounting Bolts
Socket head cap screws in the table below are
included.
■ Pipe Flange Kits
Pipe flange kits are available. When ordering,
specify kits model from the table below.
Graphic Symbol
■
Right Angle Check Valves
F- CR G -03 -04 -T -50 H01
Series
Number
Type of
Connection
Type of
Connection
Valve
Size
Cracking Pressure
Kgf/cm
2
Type of Operation
Design
Number
Design
Standard
F:
Special
seals for
phosphate
ester type
fluid
(Omit
if not
required)
CR:
Right Angle
Check Valve
G:
Sub-plate
Mounting
03
0.4:0.4, 35:3.5, 50:5.0
None:
Without hand knob
T:
With Hand Knob
50
---
06
5:0.35, 30:2.0, 50:3.5, 75:5.0
30
04:0.4, 35:3.5, 50:5.0
50 H01
10
04:0.4, 35:3.5, 50:5.0
50
---
F:
Flanged
Connection
16
04:0.4, 35:3.5, 50:5.0
None:
Without hand knob
50
Valve
Model Numbers
Soc. head cap screw Qty.
Mounting Bolt
Ordering Code
CRG-03- -50
M10 x 45 Lg. 4 BKCRG-03-50
CRG-06- -30
M16 x 70 Lg. 4 BKCRG-06-30
CRG-06- -50H01
M10 x 50 Lg. 4 BKCRG-06-50H01
CRG-10- -50
M10 x 55 Lg. 6 BKCRG-10-50
Right Angle Check Valves
407
DIRECTIONAL CONTROLS
E
Model Numbers
Rated Flow *
L/min
Max. Operating Press.
Kgf/cm
2
Cracking Pres.
Kgf/cm
2
Mass
Kg
Sub-plate Mounting
CRG-03- -50
40
250
0.4, 3.5, 5.0 1.7
CRG-06- -30
125
0.35, 2.0, 3.5, 5.0 4.1
CRG-06- - 50H01
0.4, 3.5, 5.0 3.2
CRG-10- -50
250 0.4, 3.5, 5.0 5.5
Flanged Connection
CRF-16- -50
600 0.4, 3.5, 5.0 15.6
Valve
Model Numbers
Pipe Flange Kit Model Numbers
For Socket
Welding
Threaded
Connections
CRF-16
F3-16 -A-11 F3-16 -B-1180
Right Angle Check Valves
DIMENSIONS IN
MILLIMETRES
72
66.7
90
11.7
42.9
72.5
6
Mounting
Surface
(O-Ring
Furnished)
11 Dia. x Thru.
17.5 Dia. Spotface
4 Places
Outlet Port
Inlet Port
Locating Pin
6 Dia.
30
17.5
22.2
40.5
17.5 Dia.
x Thru.
26 Dia.
Spotface
4 Places
73
Locating
Pin 6 Dia.
Mounting
Surface
(O-Ring
Furnished)
6
68.2
32.5
65.1
98
50
82
Outlet
Inlet
114
80.9
CRG-06- -30
CRG-03- -50
CRG-06- -T-30
CRG-03- -T-50
Fully Closed 126.8
Fully Open 131.8
44.5 Dia.
96.5 7
6
Locating Pin
6 Dia.
72
66.7
90
11.7
42.9
17.5
11 Dia. x Thru.
17.5 Dia. Spotface
4 Places
Inlet Port
Outlet Port
Mounting
Surface
(O-Ring
Furnished)
Fully Closed 135.5
Fully Opened 143.5
45 Dia.
103 7
6
Locating Pin
6 Dia.
Mounting Surface
(O-Ring Furnished)
22.2
40.5
17.5 Dia. x Thru.
26 Dia. Spotface
4 Places
68.2
32.5
65.1
98
Outlet
Inlet
73
80.9
114
408
DIRECTIONAL CONTROLS
Mounting Surface
(O-Ring Furnished)
143.6 Fully Closed
6
79.4
102
11.3
60.3
93
21.4
Outlet Port
Inlet Port
11 Dia. x Thru.
17.5 Dia. Spotface
4-Places
151.6 Fully Open
79.4
102
11.3
60.3
93
21.4
Outlet Port
Inlet Port
11 Dia. x Thru.
17.5 Dia. Spotface
4-Places
84.5
6
36
Locating Pin
6 Dia.
Mounting Surface
(O-Ring Furnished)
CRG-06- -50H01
CRG-06- -T-50H01
Right Angle Check Valves
03
03X
CRGM- -5080
Sub-plate
Model Numbers
“A” Thd.
CRGM-03-5080 3/8 BSP.F
CRGM-03X-5080 1/2 BSP.F
Right Angle Check Valves
409
DIRECTIONAL CONTROLS
E
CRF-16- -50
42.1
84.1
123
20.3
96.8
11
119
Outlet Port
Inlet Port
11 Dia. x Thru.
17.5 Dia. Spotface
6 Places
Locating Pin
6 Dia.
Mounting
Surface
(O-Ring
Furnished)
40
97 6
142
181
73
80
110 Dia.
73
73
110
120
Outlet
Port
Inlet Port
M16 Thd. x 30Deep
4 Places Each
At Port Faces
5
0
D
i
a
.
CRG-10- -50
■ Sub-plates
Valve
Model Number
Sub-plate
Model Numbers
Thread
Size
Mass (Approx.)
Kg
CRG-03- -50
CRGM-03-5080 3/8 BSP.F 1.6
CRGM-03X-5080 1/2 BSP.F 1.6
CRG-06- -30
CRGM-06-3080 3/4 BSP.F 3.2
CRGM-06X-3080 1 BSP.F 3.0
CRG-06- -50H01
CRGM-06-5080 3/4 BSP.F 3.2
CRGM-06X-5080 1 BSP.F 3.0
CRG-10- -50
CRGM-10-5080 1-1/4 BSP.F 4.8
CRGM-10X-5080 1-1/2 BSP.F 5.7
Sub-plates are available. Specify sub-plate model from the table above. When sub-plates are not used, the
mounting surface should have a good machined finished.
DIMENSIONS IN
MILLIMETRES
7.1
35.7
42.9
33.3
66.7
70
1.7
10
90
19.5
21
61
82
102
32
16
90
7 Dia. x 10 Deep
"A" Thd. 2 Places
8.8 Dia. x Thru.
14 Dia. Spotface
4 Places
13 Dia. 2 Places
M10 Thd. x 20 Deep
4 Places
31.8
14.5
Right Angle Check Valves
410
DIRECTIONAL CONTROLS
CRGM-06-3080
CRGM-06-5080
Sub-plate
Model Numbers
Dimensions mm
“G” Thd.
A B C D E F
CRGM-10-5080 150 12 96 30 45 135 1-1/4 BSP.F
CRGM-10X-5080
177 25.5 104 22 50 167 1-1/2 BSP.F
10
10X
CRGM- -3080
DIMENSIONS IN
MILLIMETRES
Sub-plate
Model Numbers
“A” Thd.
CRGM-06-3080/5080 3/8 BSP.F
CRGM-06X-3080/5080 1/2 BSP.F
40.5
20
40
32.5
65
98
125
155
16.5
16.5
81
114
22.2
68.2
11 Dia. x Thru.
17.5 Dia Spotface
2 Places
24.5 Dia. x Thru.
'G' Thd.
2 Places From Rear
M16 x 26 Deep
7 Dia. x 8 Deep
4 Places
19
79.4
39.7
155
125
98
114
11.1
44.5
49.2
60.3
M10 x 12 Deep
4-Places
7 Dia. x 10 Deep
40
19
11 Dia. x Thru
17.5 Dia. Spotface
2-Places
'G' Thd.x 20 Deep
2-Places
22 Dia. x 18 Deep
2-Places
17.3
20
48.4
96.8
116
9.6
140
21
D
U
126
A
16.7
42.1
62.7
67.5
84.1
E
M10 Thd. x 20 Deep
6 Places
7 Dia. x 10 Deep
28 Dia.
2 Places
11 Dia. x Thru.
17.5 Dia. Spotface
4 Places
"G" Thd.
2 Places
12
B
F
19
20
Right Angle Check Valves
Flow Rate
0
0
2
4
6
8
10
Kgf/cm²
Pressure Drop
10 20 30 40 50 60
CRG-03-50
CRG-03-35
CRG-03-04
L/min.
■ Pressure Drop
CRG-03- - -50 CRG-10- - -50
CRG-06- - -30
CRG-06- - -50H01
DIRECTIONAL CONTROLS
0
25
L/min.
Pressure Drop
50 75 100 125 150
2
4
6
8
10
12
Kgf/cm²
C
R
G
-
0
6
-
5
C
R
G
-
0
6
-
3
0
C
R
G
-
0
6
-
5
0
C
R
G
-
0
6
-
7
5
Flow Rate
CRF-16- -50
200 400 600
0
2
4
6
8
10
12
Kgf/cm²
CRF-16-04
CRF-16-35
CRF-16-50
Pressure Drop
L/min.
Flow Rate
C
R
G
-
0
6
-
0
4
C
R
G
-
0
6
-
3
5
0 25 50 75 100 125 150 175 200
L/min.
0
2
4
6
8
10
12
Kgf/cm²
16
Pressure Drop
14
Flow Rate
18
20
C
R
G
-
0
6
-
5
0
22
0
0
50 100 150 200 250 300 350 400
L/min.
Flow Rate
2
4
6
8
10
12
Kgf/cm²
CRG-10-04
CRG-10-35
CRG-10-50
Pressure Drop
411
Right Angle Check Valves
E
Right Angle Check Valves
■ Spare Parts List
List of Seals
List of Seals Kits
Note : When ordering the seals, please specify the seal kit number from the table as below.
Sl.
No.
Name of
Part
Model No.
CRG-03 CRG-03-T CRG-06 CRG-06-T CRG-10 CRG-10-T CRF-16 Qty.
1 O –Ring -- SO-NA-P3 -- --
-- 1
2 Backup Ring -- SO-BB-P3 -- --
-- 1
3 O –Ring SO-NB-P21 -- --
-- 1
4 O –Ring SO-NB-P18 -- --
-- 2
5 O –Ring
-- --
SO-NB-P24
-- 1
6 O –Ring
-- --
SO-NB-P28
-- 2
7 O –Ring
-- --
-- SO-NA-P5
-- 1
8 Backup Ring
-- --
-- SO-BB-P5
-- 1
9 O –Ring
-- -- -- -- SO-NB-P32
-- 3
10 O –Ring
-- -- -- -- -- SO-NA-P7
-- 1
11 Backup Ring
-- -- -- -- -- SO-BB-P7
-- 1
12 O –Ring -- -- -- -- -- --
SO-NB-
G60
1
Sl.
No.
Model No. Seal Kit No.
1 CRG-03-50 KS-CRG-03-50
2 CRG-03-T-50 KS-CRG-03-T-50
1
CRG-06-
KS-CRG-06-30
2
CRG-06-T-
KS-CRG-06-T-30
412
DIRECTIONAL CONTROLS
Sl.
No.
Model No. Seal Kit No.
1 CRG-10-50 KS-CRG-10-50
2 CRG-10-T-50 KS-CRG-10-T-50
1 CRF-16-50 KS-CRF-16-50
