hp super hsp cupla

hp super hsp cupla
For High Pressure
Specifications
Special steel (Nickel-plated)
Body material
1/4" • 3/8" • 1/2" • 3/4" • 1"
Size
Super HSP Cupla
Connects hydraulic piping even with residual pressure up to 20.6MPa {210kgf/cm2}
Working pressure
Valve structure
Applicable fluids
Pressure resistance MPa {kgf/cm2}
31.0 {316}
Residual pressure allowance in plug
7.0MPa {70kgf/cm2}
Seal material
Working temperature range
Mark
NBR (SG)
Remarks
-20˚C~+80˚C Standard material
Max. Tightening Torque
Torque
Two-way shut-off
Working
temperature range
Seal material
Nitrile rubber
N • m {kgf • cm}
Size
20.6
20.6MPa
{210kgf/cm2}
20.6 {210}
Working pressure MPa {kgf/cm2}
1"
3/4"
1/4"
3/8"
1/2"
28 {286}
45 {459}
90 {918}
100 {1020} 180 {1836}
Hydraulic oil
Flow Direction
Can be connected even with residual
pressure in plug side hydraulic line.
This Cupla is best for frequent
connection of pressurized hydraulic
lines.
• Super HSP Cupla socket can be connected easily with small power to standard
HSP Cupla plug even with residual pressure on the plug side of the hydraulic line.
• For impact resistance, especially repeated impulses, special quenched steel
is used for the body. This ensures original performance over a long period.
• The design reduces pressure loss, and so particularly suitable for hydraulic
applications where enough fluid flow is essential. Both socket and plug have
built-in automatic shut-off valves to prevent fluid spill out on disconnection.
Fluid may flow in either direction from plug or from socket side when coupled.
Note: When the socket is connected to the plug with residual pressure, pass fluid for at least 30 seconds
from socket side at a pressure of minimum 1MPa plus the residual pressure in order to fix and
keep the socket valve open.
Interchangeability
Supre HSP socket should be used with existing HSP Cupla plug.
Min. Cross-Sectional Area
(mm2)
(When connected to a HSP Cupla)
2HS-RPx2HP 3HS-RPx3HP 4HS-RPx4HP 6HS-RPx6HP 8HS-RPx8HP
Model
17
Min. cross-sectional area
30
77
77
203
1.3Pa {1 x 10-2mmHg}
Suitability for Vacuum
Socket only
Plug only
When connected
-
-
Operational
(m )
Admixture of Air on Connection
Model
2HS-RP
3HS-RP
4HS-RP
6HS-RP
8HS-RP
0.64
1.84
3.47
3.47
12.4
Volume of air
Flow Rate – Pressure Loss Characteristics
[Test conditions]
0.6 {6}
0.5 {5}
0.3 {3}
• Fluid : Hydraulic oil • Temperature : 30˚C 5˚C
• Fluid viscosity : 46 x 10-6m2/s • Density : 0.87 x 103kg/m3
3HS-RP x 3HP
4HS-RP x 4HP
6HS-RP x 6HP
2HS-RP x 2HP
Both socket and plug have built-in
automatic shut-off valves
Pressure loss in MPa {kgf/cm2}
0.2 {2}
0.1 {1}
0.05 {0.5}
0.04 {0.4}
0.03 {0.3}
0.02 {0.2}
The unique valve enables
connection even if plug
side hydraulic line
is under pressure
Quenched to cope with impulses
in particular
2
Flow rate in
3
4 5
10
20
30
50
100
200 300
/min
Note: Use in combination of Super HSP Cupla Socket and HSP Cupla Plug.
Various end configurations
77
8HS-RP x 8HP
NITTO KOHKI CO., LTD.
Super HSP Cupla
Models and Dimensions
Socket
WAF : WAF stands for width across flat.
HS type (Female thread)
D
T
Ls
Hs
Model
2HS-RP
3HS-RP
4HS-RP
6HS-RP
8HS-RP
Application
Mass (g)
R 1/4
R 3/8
R 1/2
R 3/4
R1
160
275
570
550
1,230
Dimensions (mm)
Ls
(57.5)
(72.0)
(88.5)
(90.5)
(114)
øD
27.5
33
43
43
58
Hs(WAF)
Hex.21
Hex.27
Hex.35
Hex.35
Hex.46
T
Rc 1/4
Rc 3/8
Rc 1/2
Rc 3/4
Rc 1
How to Use Super HSP Cupla
Valve is opened with appropriate pressure (residual pressure plus
1.0MPa ({10kgf/cm2} or more) from the socket side and then locked.
Connected to plug with residual pressure.
In condition
, if fluid with pressure (residual pressure plus 1.0MPa) flows, the plug
valve is pushed in by socket valve under that pressure and open to flow the fluid.
At this time the balls indicated by an asterisk on the sketch completely lock the socket
valve. When the socket valve is locked completely, fluid may flow in either direction
from plug or from socket side.
When the socket is connected to the plug under residual pressure, the socket valve
opens but the valve on the plug side does not open because of the internal residual
pressure. However, in this state, the connection of socket and plug is completed.
When pressurized from the socket, it takes a few seconds until the valve of socket is locked.
Application Example
Hydraulic unit
Hydraulic unit
Before use, please be sure to read “Safety Guide” described at the end of this book and “Instruction Sheet” that comes with the products.
NITTO KOHKI CO., LTD.
78
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