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A quick and easy way to unload trucks

Pumps for acids are often used to unload trucks carrying chemical products or IBC containers. But the problem when dealing with trucks is that they often don't have an electric box with …

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Propane BI-FUEL upgrade Kit

 Trucks, cars, and other vehicles as well as other Small engines running on our propane conversion systems have been proven to have 80% cleaner emissions and help the engine last longer than …

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PumpBiz offers De-Icing Pumps!

Pumpbiz is known for having pumps for many applications, including De-icing Pumps. Let PumpBiz help you find a pump to de-ice your pavement this winter!   Our pumps can handle all of the most …

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Semi-Trash Pumps for large volume dewatering jobs with light dirt loading, 5/8" solids. Same heavy duty components of our trash pumps, just the size and amount of solids able to pass through the semi-trash pump is about half that of regular trash pumps of same size.

Featuring:

  • Powerful OHV Honda GX Engines with low oil sensor
  • Steel Roll Cage
  • Spherodial Graphite Cast Iron (stronger than plain CI) Impeller and Volute
  • Solid Silicon Carbide SiC mechanical shaft seal resists wear, corrosion and heat better
  • Convient priming plug
  • Discharge can be rotated
  • Male Threaded connections
  • Check Valve flapper to hold prime when not in use
  • 25-ft Suction Lift
  • 2-yr Pump and 3-yr Honda Engine Warranty
  • 3 Popular sizes

Again, some web sites sell these semi-trash pumps as full blown trash pumps which they are not due to hydraulic design as mentioned. Parts are smaller and therefore the pump is less expensive.

Any of these pump engines can be converted to being a DUAL fuel system - Propane LPG and Gas. Contact PumpBiz for details. Propane costs less, is cleaner and safer, last longer and starts easy.

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4-Cycle GX120 4HP 10,000GPH
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: STH-50X
Maximum Flow : 158 gallons/min
TDH (Head) Maximum @ 0GPM : 41 PSI
Head (TDH) Maximum @ 0GPM : 95 FT
HP Standard : 3.5 HP
Inlet Connection Type : MNPT
Inlet : 2 "
Outlet Connection Type : MNPT
Outlet : 2 "
Wetted Materials : Aluminum
Wetted Materials : Ductile Iron
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Cream 16.50 cp 100.00 ssu
Max. Particle Size : 0.75 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 5 MOH
Max. Volume of Suspended Solids : 15 %
Mechanical Seal Face : SiC
Mechanical Seal Type : Single
Impeller Mat'l / Type : Spherodial Graphite Cast Iron, semi-open
Warranty : 2 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Other : 18''x14''x15''. EPA and CARB C
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Port Rotation : yes
Read more…  
$80300
4-Cycle 6HP 10,000GPH
Manufacturer: PumpBiz Pumps
Model Number: STHP-50K Kohler Electric start
Maximum Flow : 158 gallons/min
TDH (Head) Maximum @ 0GPM : 41 PSI
Head (TDH) Maximum @ 0GPM : 95 FT
HP Standard : 3.5 HP
Inlet Connection Type : MNPT
Inlet : 2 "
Outlet Connection Type : MNPT
Outlet : 2 "
Wetted Materials : Aluminum
Wetted Materials : Ductile Iron
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Cream 16.50 cp 100.00 ssu
Max. Particle Size : 0.75 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 5 MOH
Max. Volume of Suspended Solids : 15 %
Mechanical Seal Face : SiC
Mechanical Seal Type : Single
Impeller Mat'l / Type : Cast Iron, semi-open
Warranty : 1 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Other : 18''x14''x15''. EPA and CARB C
Approvals : CARB
Low Oil Shutdown : Yes
Country of Origin : USA
Duty : continuous
Drain Plug : yes
Port Rotation : yes
Read more…  
$84900
4-Cycle 4.7HP 10,000GPH
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: STV-50X
Maximum Flow : 158 gallons/min
TDH (Head) Maximum @ 0GPM : 41 PSI
Head (TDH) Maximum @ 0GPM : 95 FT
GPM of Water @ 30 Ft. of Head : 130
GPM of Water @ 40 Ft. of Head : 110
GPM of Water @ 50 Ft. of Head : 100
GPM of Water @ 60 Ft. of Head : 85
GPM of Water @ 70 Ft. of Head : 70
HP Standard : 3.5 HP
Inlet Connection Type : MNPT
Inlet : 2 "
Outlet Connection Type : MNPT
Outlet : 2 "
Wetted Materials : Aluminum
Wetted Materials : Ductile Iron
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Cream 16.50 cp 100.00 ssu
Max. Particle Size : 0.75 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 5 MOH
Max. Volume of Suspended Solids : 15 %
Mechanical Seal Face : SiC
Mechanical Seal Type : Single
Impeller Mat'l / Type : Spherodial Graphite Cast Iron, semi-open
Warranty : 2 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Other : 18''x14''x15''. EPA and CARB C
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Port Rotation : yes
Read more…
Sale Price
$58400
Regular: $628.00
You Save: $44.00
4-Cycle 4.7HP 14,280GPH
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: STV-80X
Maximum Flow : 238 gallons/min
TDH (Head) Maximum @ 0GPM : 41 PSI
Head (TDH) Maximum @ 0GPM : 95 FT
GPM of Water @ 30 Ft. of Head : 130
GPM of Water @ 40 Ft. of Head : 110
GPM of Water @ 50 Ft. of Head : 100
GPM of Water @ 60 Ft. of Head : 85
GPM of Water @ 70 Ft. of Head : 70
HP Standard : 4.7 HP
Inlet Connection Type : MNPT
Inlet : 3 "
Outlet Connection Type : MNPT
Outlet : 3 "
Wetted Materials : Aluminum
Wetted Materials : Ductile Iron
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Cream 16.50 cp 100.00 ssu
Max. Particle Size : 0.75 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 5 MOH
Max. Volume of Suspended Solids : 15 %
Mechanical Seal Face : SiC
Mechanical Seal Type : Single
Impeller Mat'l / Type : Spherodial Graphite Cast Iron, semi-open
Warranty : 2 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Other : 18''x14''x15''. EPA and CARB C
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Port Rotation : yes
Read more…  
$48600
4-Cycle 5.5HP 14,280GPH
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: STH-80X
Maximum Flow : 238 gallons/min
TDH (Head) Maximum @ 0GPM : 38 PSI
Head (TDH) Maximum @ 0GPM : 85 FT
GPM of Water @ 30 Ft. of Head : 130
GPM of Water @ 40 Ft. of Head : 110
GPM of Water @ 50 Ft. of Head : 100
GPM of Water @ 60 Ft. of Head : 85
GPM of Water @ 70 Ft. of Head : 70
HP Standard : 5.5 HP
Inlet Connection Type : MNPT
Inlet : 3 "
Outlet Connection Type : MNPT
Outlet : 3 "
Wetted Materials : Aluminum
Wetted Materials : Ductile Iron
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Cream 16.50 cp 100.00 ssu
Max. Particle Size : 0.75 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 5 MOH
Max. Volume of Suspended Solids : 15 %
Mechanical Seal Face : SiC
Mechanical Seal Type : Single
Impeller Mat'l / Type : Spherodial Graphite Cast Iron, semi-open
Warranty : 2 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Other : 20''x15''x17''. EPA and CARB C
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Port Rotation : yes
Run Time : 2.5
Fuel Tank Size : 0.95
Read more…  
$83300
Honda 4-Cycle 7HP 23,000GPH
Manufacturer: Koshin Pumps Dewatering High Pressure & Generators
Model Number: SEH-100T STH-100TX
Spring Special
Maximum Flow : 383 gallons/min
TDH (Head) Maximum @ 0GPM : 40 PSI
Head (TDH) Maximum @ 0GPM : 92 FT
HP Standard : 7.1 HP
Inlet Connection Type : MNPT
Inlet : 4 "
Outlet Connection Type : MNPT
Outlet : 4 "
Wetted Materials : Aluminum
Wetted Materials : Ductile Iron
Elastomers : Buna-Nitrile
Motor : Gas Engine
Speed : 3450 RPM
Self Priming : 1
Suction Lift : 26 FT
Max Operating Temp : 120 °F
Viscosity : Cream 16.50 cp 100.00 ssu
Max. Particle Size : 1 "
Max Specific Gravity : 1 sp. gr.
Max. Particle Hardness : 5 MOH
Max. Volume of Suspended Solids : 15 %
Mechanical Seal Face : SiC
Mechanical Seal Type : Single
Impeller Mat'l / Type : Spherodial Graphite Cast Iron, semi-open
Warranty : 2 Year/s
Applications : Contractor
Applications : Dewatering
Applications : Fire
Applications : Irrigation
Other : 26''x26''x20''. Seal kit SK004
Low Oil Shutdown : Yes
Country of Origin : Japan
Duty : continuous
Drain Plug : yes
Port Rotation : Yes 3@90
Read more…
Sale Price
$135700
Regular: $1,881.00
You Save: $524.00
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