Hydraulic Gear Pumps

Series B1 Fixed Displacement Gear Pumps

B1 Features & Benefits

  • High-strength construction – All B1 Series gear pumps have a Cast Iron front housing, high-strength aluminum alloy gear section, heat-treated alloy steel gears and shafts.
  • Standard features – Double lip seals, heavy-duty DU bearing, straight, keyed shafts or tang shafts
  • Relief and check valves are built-in
  • Available in nine displacements – B1 gear pumps available in nine displacements from 0.06 to 0.59 cu.in. / rev.

Specifications

  • Operating Pressure: Rated 2500PSI; Max. 3600PSI (Tang Limited to .06 to .37 2500PSI, .47 & .59 2000PSI)
  • Operating Speed: 2500RPM Rated, 3600RPM Max.
  • Shafts: Standard are, .5″ Straight Keyed Shaft With .125″ Key and .147″ Tang Shaft.
  • Shaft Rotation: Keyed, Either Counterclockwise or Clockwise / Tang, Counterclockwise Only.
  • Seals: Double Lip, Nitrile Rubber Seal – Standard
  • Bearing: Four Heavy-duty DU 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: 2/4 Bolt “AA”(1.781″ dia. pilot), Standard; 2 Bolt (2″ dia. pilot) Requires adapter ring #49878.
  • Pump Design: Pressure Loaded Thrust Plates and DU Bearings

Displacements

N06B1 N11B1 N15B1 N18B1 N22B1 N30B1 N37B1 N47B1 N59B1
Displacement in3/rev (cm3/rev) .06[.83] .11[1.80] .15[2.46] .18[2.95] .22[3.61] .30[4.92] .37[6.06] .47[7.70] .59[9.67]
Gear Width In. (mm) .12[3.0] .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]

Output Flow/Input Power

Output Flow, GPM Output Flow, LPM Input Horsepower @ 2000 PSI Input Horsepower @3600 PSI
Model 1800 RPM 3600 RPM 1800 RPM 3600 RPM 1800 RPM 3600 RPM 1800 RPM 3600 RPM
N06B1 .49 .98 1.76 3.52 .93 1.86 1.12 2.24
N11B1 .86 1.71 3.24 6.48 1.14 2.28 2.05 4.10
N15B1 1.17 2.34 4.43 8.86 1.56 3.12 2.81 5.62
N18B1 1.4 2.8 5.29 10.58 1.86 3.72 3.35 6.70
N22B1 1.71 3.43 6.48 12.96 2.27 4.54 4.09 8.18
N30B1 2.34 4.68 8.86 17.71 3.11 6.22 5.60 11.78
N37B1 2.88 5.77 10.91 21.82 3.83 7.66 6.89 13.78
N47B1 3.36 7.32 13.86 27.72 4.87 9.74 8.77 17.54
N59B1 4.6 9.16 17.39 43.78 6.12 12.24 11.01 22.02

Assembly Dimensions

*T – Tang Shaft, 1/2″ Dia., 0.147″ Wide, 0.31″ Extension.
*J – Thick Tang Shaft, 1/2″ Dia., 0.250″ Wide, .731″ Extension. (Special Order Only)
*K – Straight Keyed Shaft, 1/2″ Dia., 1.5″ Extension, 0.12 Square Key.

Gear Pump Part Numbers Gear Pump Gear Pump

Displacements

06 B1 11 B1 15 B1 18 B1 22 B1 30 B1 37 B1 47 B1 59 B1
Displacement cu.In./rev (ml/rev) .06(.83) .11(1.80) .15(2.46) .18(2.95) .22(3.61) .30(3.61) .37(6.06) .47(7.7) .59(9.67)
Dim L In. (mm) 3.7(93.8) 3.7(93.8) 3.8(96.3) 3.9(98.3) 3.9(100.3) 4.0(102.3) 4.1(104.2) 4.5(114.3) 4.8(120.8)
Dim M In. (mm) 2.6(68.3) 2.6(68.3) 2.8(71.8) 2.8(71.8) 2.8(71.8) 2.8(71.8) 2.8(71.8) 3.1(78.8) 3.1(78.8)
Suction Port ½” SAE ½” SAE ½” SAE ½” SAE ½” SAE ½” SAE ½” SAE 5/8″ SAE 5/8″ SAE

 

Contact Us
close slider