Hydraulic Gear Pumps
Seris B1 Fixed Displacement Gear Pumps
B1 Features & Benefits
- High-Strength Aluminum Alloy Construction - All B1 Series gear pumps have high-strength aluminum alloy construction with heat-treated alloy steel gears and shafts.
- Standard Features - Double lip seals, heavy-duty bearing and straight, keyed shafts or tang shafts.
- Relief and Check Valves Are Built-In
- Available In Nine Displacements - B1 gear pumps are available in nine displacements from 0.11 to 0.74 cu.in./rev.
Specifications
| Operating Pressure: | Rated 2500psi; Max 3600psi (Tang .11 to .37 2500psi, .47 2000psi and .59 2000psi) |
| Operating Speed: | 2500rpm Rated, 3600rpm Max |
| Shafts: | Straight Keyed Shaft –and .147” Tang Shafts are Standard. (.18 Available in Tang Only) |
| Shaft Rotation: | "L"-CCW or "R"-CW |
| Seals: | Double Lip, Nitrile Rubber Seal – Standard |
| Bearings: | Four Heavy-duty Type |
| Porting: | 3/8” SAE O-Ring Boss Pressure Port; 1/2” and 5/8” SAE O-Ring Boss Suction Port |
| Valves: | Built-in relief valve and check valve. |
| Weight: | 5-7 lbs |
| Mounting: | 4 Bolt “AA”(1.781” dia. pilot), Standard; 2 Bolt (2” dia. pilot) Requires adapter ring. |
| Type of Control: | Pressure loaded for max effeciency. |
Displacements
| N11B1 | N15B1 | N18B1 | N22B1 | N30B1 | N37B1 | N47B1 | N59B1 | N74B1 | |
| Displacement cu.in/rev[cu.cm/rev] | .11[1.80] | .15[2.46] | .18[2.95] | .22[3.61] | .30[4.92] | .37[6.06] | .47[7.70] | .59[9.67] | .74[12.13] |
| Gear Width In[mm] | .24[6.0] | .29[7.5] | .35[9.0] | .43[11.0] | .59[15.0] | .70[18.0] | .94[24.0] | 1.14[29.0] | 1.41[36.0] |
Output Flow/Input Power
| Mtr. Number | Displacemnet (cu. in./rev) | GPM @ 1750 rpm | RPM MAX | Shaft Type | Shaft Dia./Key | Port size: suction/pressure | Rotation |
| N11B1-KR N11B1-KL N11B1-TL |
0.11 0.11 0.11 |
0.82 0.82 0.82 |
3500 3500 3500 |
KEYED KEYED TANG |
1/2 X 1/8 1/2 X 1/8 .172 X .5 |
SAE-8/SAE-6 SAE-8/SAE-6 SAE-8/SAE-6 |
R/H L/H L/H |
| N15B1-KR N15B1-KL N15B1-TL |
0.15 0.15 0.15 |
1.13 1.13 1.13 |
3500 3500 3500 |
KEYED KEYED TANG |
1/2 X 1/8 1/2 X 1/8 .172 X .5 |
SAE-8/SAE-6 SAE-8/SAE-6 SAE-8/SAE-6 |
R/H L/H L/H |
| N18B1-TL | 0.18 | 1.36 | 3500 | TANG | .172 X .5 | SAE-8/SAE-6 | L/H |
| N22B1-KR N22B1-KL N22B1-TL |
0.22 0.22 0.22 |
1.66 1.66 1.66 |
3500 3500 3500 |
KEYED KEYED TANG |
1/2 X 1/8 1/2 X 1/8 .172 X .5 |
SAE-8/SAE-6 SAE-8/SAE-6 SAE-8/SAE-6 |
R/H L/H L/H |
| N30B1-KR N30B1-KL N30B1-TL |
0.30 0.30 0.30 |
2.27 2.27 2.27 |
3500 3500 3500 |
KEYED KEYED TANG |
1/2 X 1/8 1/2 X 1/8 .172 X .5 |
SAE-8/SAE-6 SAE-8/SAE-6 SAE-8/SAE-6 |
R/H L/H L/H |
| N37B1-KR N37B1-KL N37B1-TL |
0.37 0.37 0.37 |
2.80 2.80 2.80 |
3500 3500 3500 |
KEYED KEYED TANG |
1/2 X 1/8 1/2 X 1/8 .172 X .5 |
SAE-8/SAE-6 SAE-8/SAE-6 SAE-8/SAE-6 |
R/H L/H L/H |
| N47B1-KR N47B1-KL N47B1-TL |
0.47 0.47 0.47 |
3.56 3.56 3.56 |
3500 3500 3500 |
KEYED KEYED TANG |
1/2 X 1/8 1/2 X 1/8 .172 X .5 |
SAE-10/SAE-6 SAE-10/SAE-6 SAE-10/SAE-6 |
R/H L/H L/H |
| N59B1-KR N59B1-KL N59B1-TL |
0.59 0.59 0.59 |
4.40 4.40 4.40 |
2800 2800 2800 |
KEYED KEYED TANG |
1/2 X 1/8 1/2 X 1/8 .172 X .5 |
SAE-10/SAE-6 SAE-10/SAE-6 SAE-10/SAE-6 |
R/H L/H L/H |
Assembly Dimensions