Parker 451ST hydraulic hose provides combination of best abrasion resistance and ease of use.
- One-half SAE 100R1 minimum bend radius – 451ST is flexible, easy to work with and to install.
- 451ST's specially engineered Super Tough Cover (ST) prolongs hose life and minimizes downtime.
- Maximum working pressure is constant 3,000 psi in all sizes.
- Exeeds SAE 100R17 specification.
- For abrasion resistant twin-line, see 451TC Twin-Tough or 471TC Twin Tough hose.
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451ST Hydraulic Super-Tough Cover, Constant Working Pressure
Specifications: SAE 100R17 / ISO 11237 - 1 TYPE R17
Application: Petroleum base hydraulic fluids and lubricating oils
Inner Tube: Synthetic rubber
Reinforcement: One or two braid steel wire (4-spiral for size -20)
Cover: Synthetic rubber abrasion resistant, MSHA accepted
Temperature Range: -40°F to +212°F (-40°C to +100°C)
Fittings: 43 series
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Parker 451ST Hydraulic Hose Sizes and Specifications
|
Part No
|
Inside Diameter
|
Outside Diameter
|
Working Pressure
|
Min Bend Radius
|
Weight
|
Vacuum Rating
|
Hose Ends
|
|
451ST
|
in
|
mm
|
in
|
mm
|
psi
|
MPa
|
in
|
mm
|
lb/ft
|
kg/m
|
in of Hg
|
kPa
|
Crimp
|
Field Attachable
|
|
451ST-4
|
1/4
|
6,3
|
0.52
|
13
|
3000
|
21,0
|
2
|
50
|
0.16
|
0,24
|
-
|
-
|
43
|
-
|
|
451ST-6
|
3/8
|
10
|
0.68
|
17
|
3000
|
21,0
|
2-1/2
|
65
|
0.23
|
0,34
|
-
|
-
|
43
|
-
|
|
451ST-8
|
1/2
|
12,5
|
0.80
|
20
|
3000
|
21,0
|
3-1/2
|
90
|
0.35
|
0,52
|
-
|
-
|
43
|
-
|
|
451ST-10
|
5/8
|
16
|
0.94
|
24
|
3000
|
21,0
|
4
|
100
|
0.44
|
0,66
|
-
|
-
|
43
|
-
|
|
451ST-12
|
3/4
|
19
|
1.10
|
28
|
3000
|
21,0
|
4-3/4
|
120
|
0.58
|
0,86
|
-
|
-
|
43
|
-
|
|
451ST-16
|
1
|
25
|
1.40
|
35
|
3000
|
21,0
|
6
|
150
|
0.79
|
1,17
|
-
|
-
|
43
|
-
|
|
451ST-20
|
1-1/4
|
31,5
|
1.85
|
47
|
3000
|
21.0
|
8-1/4
|
210
|
1.50
|
2.23
|
-
|
-
|
43
|
-
|
IMPORTANT!
Hose and hose fittings series must be correctly matched. Using any fittings other than those specifically designated by the hose manufacturer for use with each specific hose can lead to hose assembly failure. Hose assembly failures have lead to damage, injury and death.