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50 Series Gear Pump
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The Cross 50 series gear pump
features a gear tooth design that provides more displacement within a
given package size. Available in 7 sizes, with displacements from
1.52 to 5.20 cubic inches per revolution, this compact pump can deliver
up to 45 gpm in a space less then 6-1/2" x 5-31/4" x 7-1/4". Gear
tooth design and pressure-balanced loading plates provide high
volumetric and overall efficiency while operating at a low noise level. |
General Specifications
| Displacement sizes: |
1.52 |
1.95 |
2.32 |
2.74 |
3.30 |
3.80 |
5.20 |
cu. in./Rev. |
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24.9 |
32.0 |
38.0 |
44.9 |
54.1 |
62.3 |
85.2 |
cc/Rev |
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| Rated working pressure (Max. relief valve setting at full flow) |
3000 psi (207 Bar) |
| Max. shock and surge pressure |
3500 psi (242 Bar) |
| Max. flow rate (Delivery) |
45 gpm (170 l/m) |
| Max. speed (Continuous - see inlet vacuum curves) |
3000 RPM |
| Max. horsepower (At rated speed and pressure) |
78 HP (58 KW) |
| Mounting (Any position) |
SAE "B" , 2-Bolt |
| Weight |
Approx. 19 lbs. (8.6 KG) |
Material Specifications
| End covers |
Die cast aluminum alloy |
| Body |
Permold aluminum alloy |
| Gears |
Hardened steel |
| Shafts |
Hardened steel |
| Seals |
Buna N |
| Bearings |
Pressure Lubricated, Teflon impregnated sleeve |
Standard Features
- Rotation: Right Hand (Clockwise)
- O-ring Ports: 1-1/4" SAE #20 (1 5/8-12) inlet, 1" SAE #16 (1 5/16-12) outlet
- Shaft: 7/8" Diameter, Woodruff keyed
- Shaft Seal: 20 psi (1.4 bar), Dual rotation pumps are provided with 250 psi seals
Optional Features
- Rotation: Left hand (counterclockwise); Bi-directional (Dual rotation)
- Ports: 1" SAE #16 (1 5/16-12) inlet; 1-1/4" SAE #20 (1 5/8-12) outlet; rear inlet and outlet locations
- Shafts: 7/8" Diameter, Splined; 1" Diameter, Splined; 7/8" Diameter, Woodruff keyed (long)
- Shaft seal: High pressure, 250 psi (17.2 bar), Dual rotation pumps are provided with 250 psi seals
Ordering Data
| Series |
Type |
Special Options |
Size cu.in./R
x 10 |
Rotation |
Mount |
Shaft size & type |
Ports
Location and size
inlet outlet |
| 50 |
P
pump |
O
20 psi shaft seal
H
250 psi shaft seal |
15
19
23
27
33
38
52 |
D
dual
L
left R
right |
B
SAE "B" 2-bolt |
A
7/8" Spline x 1-5/84"
B
1" Spline x 1-5/84"
C
7/8" Keyed x 1-5/8"
D
7/8" keyed x 2-13/16"
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SA
SB
SC RD
RE
RF |
1-7/8"
1-5/8" 1-5/16"
1-7/8"
1-5/8"
1-5/16
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1-5/16"
1-5/16"
1-5/16"
1-5/16"
1-5/16"
1-5/16"
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SIDE
SIDE SIDE
REAR
REAR
REAR |
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Phone 406-761-8079 or 800-823-4937
Fax 406-452-6056
Email sales@northernhydraulics.net
Northern Hydraulics Inc.
2600 17th St NE
Black Eagle, MT 59414
 
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