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  • Automatic Dry Priming and
    Repriming
  • Unattended Operation
  • Environmentally Safe with
    No Blowby
  • Discharge Heads Up To 300'
  • Flowrates: 500 - 4600 gpm
  • Solids Handling Up To 3.375
  • General Construction
  • Tank/Vessel Transfer
  • Fire Water Service
  • Pipeline Pressure Testing
  • Booster Pump Applications
  • Open Pit Mining
  • Washdown Service
  • Sewer Bypass
 

Product Data Sheet
Thompson 8JSC Pump

This pump uses an oil-lubricated two-cylinder piston compressor that is driven by v-belt off the shaft. Forcing air through an air/water separator creates a vacuum. A float operated valve installed in the separator prevents liquid but allows air to exit the separation chamber. Base model pump is Cornell 6NHTB.
Minimum Speed: 1200 rpm
Maximum Speed: 1800 rpm
Minimum Shutoff Head: 130 feet (56 psi) (1) (@ 1200 rpm)
Maximum Shutoff Head: 300 feet (130 psi) (1) (@1800 rpm)
Maximum Suction Lift: 28 feet (2)
Minimum Flow: 500 gpm
Maximum Flow: 4600 gpm
Maximum Suction Press: 100 psi
Maximum Casing Press: 175 psi
Maximum Temperature: 175°F
Maximum Solids Size: 1.375" spherical diameter
Impeller: 16.00" diameter, cast iron, tow-vane
non-clogging, enclosed and rear
equalizing vanes
Wear Ring Clearance: Single suction, requires no
adjustment, replaceable
Bearing Lubrication: No. 2 Grease
Vacuum System: Quinicy 216P, V-belt driven
air-cooled, two-cylinder, 2.85
HP @ 60 psi, 3.00" bore x
2.50" stroke, 12.5 cfm @ 900 rpm,
turbine oil lubricated
Mech. Seal Lubrication: Run-dry oil lubricated
Deadhead Pressure:

@ 1600 rpm:

101 psi - 104 psi

@ 1800 rpm:

126 psi - 130 psi
To the best of our knowledge, the technical data contained herein is true and accurate at the date of issuance and is subject to change without prior notice. NO WARRANTY OR GUARANTEE OF ANY KIND IS MADE BY BAKER PUMPS, EITHER EXPRESSED OR IMPLIED.
Click on image to enlarge:
Suction Size: Ten-inch 125# Male NPT
Discharge Size: Eight-inch 125# Male NPT
Total Weight: 6000 lbs. (approx.) (4)
Overall Height: 7'-2"
Overall Width: 6'-3.5"
Overall Length: 15'-2"
Casing/Volute: Cast iron
Shaft Sleeve: 416 stainless steel
Wear Ring: Cast iron
Mechanical Seal Faces: Tugsten Carbide/Silicon Carbide
Vacuum Chamber: Carbon steel
Venturi: Bronze
Pump Shaft: SAE 1144
Elastomers: Viton
Impeller: Cast iron
Discharge Check Valve: C. I./Brass seat/Buna N
Suction Check Valve: None
Engine Make/Model: John Deere 6081AP2-225
Max. Continuous BHP: 219 hp @ 1800 rpm
Crankcase Oil: 33.75 Qt. of SAE 15W-40
Oil Press @ 850 rpm: 30 psi minimum
Safety Shutdowns: High collant temp. & Low oil press
Grease Lubrication: No. 2 (3)
Fuel Capacity: 73 gallons of No. 2 diesel
Collant Capacity Type: 60 qts. 50/50 water antifreeze mix
Slow idle Speed: 850 rpm
Number of Cylinders: Six
Bore x Stroke: 4.56" x 5.06"
Fuel Filter: John Deere AR86745
Oil Filter: John Deere RE57394
Engine Air Filter: John Deere G140054
Note:
(1) Based on 1.0 specific gravity.
(2) Depends on flowrate and pump speed.
(3) Midrange compromise. See John Deere manual.
(4) Includes weight of trailer, pump and engine.
Rev. 02/2001
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