B-68
Parker Hannifin Corporation
Quick Coupling Division
Minneapolis, MN
www.parker.com/quickcouplings
B
Hydraulics
Performance
1-1/2"
2"
1"
1-1/4"
3/4"
10000
9000
8000
7000
6000
5000
4000
3000
2500
2000
1500
1000
900
800
700
600
500
400
300
250
200
150
100
100
150
200
250
300
400
500
600
700
800
900
1000
1500
2000
2500
3000
4000
5000
6000
7000
8000
9000
1130.00
1017.00
904.00
791.00
678.00
565.00
452.00
339.00
282.50
226.00
169.50
113.00
101.70
90.40
79.10
67.80
56.50
45.20
33.90
28.25
22.60
16.95
11.30
10000
6.90
10.34
13.79
17.24
20.69
27.59
34.48
41.38
48.28
55.17
62.07
68.97
103.45
137.93
172.41
206.90
275.86
344.83
413.79
482.76
551.72
620.69
689.66
INTERNAL PRESSURE (psig)
INTERNAL PRESSURE (bar)
TORQUE (N.m.)
TORQUE (inch pounds
)
MAXIMUM
RECOMMENDED
CONNECTING
PRESSURE
3/4"
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
4
3
2
1
37.90
75.70
113.60
151.40
189.30
227.00
265.00
303.00
340.70
378.50
757.00
1135.50
1514.00
1892.50
2271.00
2649.50
3028.00
3406.50
3785.00
FLOW RATE (gpm)
88
SSU (18 cSt) oil
PRESSURE LOSS (bar)
PRESSURE LOSS (psi)
6.90
6.21
5.52
4.83
4.14
3.45
2.76
2.07
1.38
.69
.62
.55
.48
.41
.34
.27
.21
.14
.07
10
20
30
40
50
60
70
80
90
100
200
300
400
500
600
700
800
900
1000
1"
1-1/4"
2"
2-1/2"
3"
4"
FLOW RATE (lpm)
1-1/2"
300
250
200
150
100
100
150
200
250
300
400
500
600
700
800
900
1000
1500
2000
2500
3000
4000
5000
6000
7000
8000
9000
33.90
28.25
22.60
16.95
11.30
10000
INTERNAL PRESSURE (psig)
MAXIMUM
RECOMMENDED
CONNECTING
PRESSURE
Torque Values for Connecting Under Pressure
Flow Chart
Each kit contains a valve assembly, spring and guide stop. Consult QCD for “DBP” option seals.
75
Series Dust Plugs and Caps
Body Size
3/4
1
1-1/4
1-1/2
2
2-1/2
4
Dust Plugs
(
Coupler)
75
MDP-12
75
MDP-16
75
MDP-20
75
MDP-24
75
MDP-32
75
MDP-40
75
MDP-64
Dust Caps
(
Nipple)
75
MDC-12
75
MDC-16
75
MDC-20
75
MDC-24
75
MDC-32
75
MDC-40
75
MDC-64
75
Series Repair Kits
Body Size
3/4
1
1-1/4
1-1/2
2
2-1/2
4
Coupler Kit
75
C12-SPK
75
C16-SPK
75
C20-SPK
75
C24-SPK
75
C32-SPK
75
C40-SPK
75
C64-SPK
Nipple Kit
75
N12-SPK
75
N16-SPK
75
N20-SPK
75
N24-SPK
75
N32-SPK
75
N40-SPK
75
N64-SPK
Internal ressure (bar)
Torque (inch pounds)
Torque (N.m)
Internal Pressure (PSI)
Pressure Loss (bar)
Flow Rate (LPM)
Flow ate (GPM)
88
SSU (18 cSt) oil
Pressure Loss (PSI)
Snap-tite 75 Series
Threaded Connection
Poppet valves, high pressure
Hydraulic Quick Couplings
Connect Under Pressure