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High Pressure water Fire Pump 2 inch

Multi-Port Fire / Irrigation / Wash down 5HP 8000GPH
Model Number
Koshin SERH high pressure water pump

Koshin SERH-50V

High Pressure water Fire Pump. 2"

Koshin Pump with Honda engine Water Pressure Pump 2 inch. All aluminum die cast pump housing, with CI impeller and volute for lightweight and portability. Metal Carry roll cage handle and base. Honda GX160 4-cycle engine. 4-Cycle engine so NO mixing gas. Use standard automotive gasoline.

Self Priming 163cc powered water pump for Fire fighting (USFS forest fire fighting, Fire Dept. brush trucks, auxiliary fire pump Portable Damage Control, irrigation, marine washdown, construction equipment cleaning, farm high pressure cleaning.

EPA certified Honda engine is 160cc, 0.82gal. gas tank providing 2 Hrs run time. Many rural fire departments mount these pumps on a truck with a large tank for fighting grass and brush fires. Can run unattended for 2 hours on 1 gallon of gasoline and provide 2400 gallons of water at 60 PSI before refueling. The multiple discharges allow for one or two hoses to be used simultaneously for better coverage.

With great experience and over 40 years of tradition KOSHIN produces the highest quality water pumps. KOSHIN brand have been ranked no 1 in the world by numerous professionals.

Engine Includes low oil sensor. Sturdy steel roll cage included and strainer included. Hose and other accessories available. Includes Multiport discharge. 2" main and TWO additional 1" side ports. Run multiple hoses. Slightly lower psi pump see THP-4070HA

Applications• To power sprinkling systems, firefighting, jetting in piles, test water mains, inject water into venturi for cement mixing in oil fields.• Remote area fire fighting and fire foam injection spraying. USDA Forest Service approved spark arrester.• Washing down equipment, boats, livestock pens.• Pushing water long distances or to great heights or hydro testing hoses and pipes. Remember small hose diameters or long hose lengths will reduce pressure at end of hose. See engineering tables for hose or pipe friction loss tables. Bushing for reducing up or down to standard hoses and fire hoses available. For alternate High Pressure fire water pumps with Electric start see AK305, L1617Z, 7AK301, 2P5XKARES. Can be fitted with upgraded with Bi-fuel propane LP kit. Centrifugal High Pressure Water Pump replaces SERM-50v (parts are interchangeable).

More Information
Model Number SERH-50V
Series High Pressure Pumps
Max Flow (GPM.) 113
Max Flow GPH 6780
TDH Maximum (Ft) 262
TDH Maximum (PSI) 113
Horse Power (HP) 5
Horsepower (IE .5, 1, 1.5, 20) 5.0000
Inlet Connection Type MNPT
Inlet (In.) 2
Outlet Connection Type MNPT
Outlet (In.) 2
Wetted Materials Aluminum, Cast Iron
Elastomers / O-ring Buna-Nitrile
Motor Gas Engine
Self Priming Yes
Suction Lift (FT.) 26
Max Operating Temperature (F) 120
Viscosity Cream 16.50 cp 100.00 ssu
Mechanical Seal Yes
Mechanical Seal Face Carbon-ceramic
Mechanical Seal Type Single
Other 20''x17''x18''. Discharge is multi port 2"/1"(2). EPA Certified. Meet or exceeds US Coast Guard Fire Pump Performance Requirement as specified by 46 CFR 27.301 (Jan 1, 2004 Revision)
Low Oil Shutdown Yes
Impeller Material Cast Iron, closed
Duty Continuous
Drain Yes
Run Time (HR.) 2 hours
Fuel Tank Size 0.82 Gal
Country of Manufacture Japan
Weight (Lbs) 82.000000
Warranty (YRS.) 3
GPM Of Water At 100 Feet Of Head 60
GPM Of Water At 150 Feet Of Head 40
GPM Of Water At 200 Feet Of Head 20

Koshin pumps are the standard and known world wide in the contractor, rental, and portable pump markets as the brand to use. Most portable water pumps by Koshin feature Honda gas engines. Koshin manufactures a complete line of self priming centrifugal pumps for general transfer, high pressure and trash debris filled liquids. These pumps come in gas or diesel engine and single phase electric submersibles. Koshin is the most copied pump design coming out of China, but do not think they are the same. Use only the best, the original Koshin.

For over 70 years Koshin has continued to invest in new product testing and development. Koshin totally redesigned its production facilities in 2013 adding in house aluminum die casting, production automation, and state of the art process flow management. With a core philosophy of customer satisfaction, Koshin insures that each product off of its production line is of the finest quality. This is why we can proudly say that the performance specification found in this catalog are guaranteed minimum. This is often not the case with our competitors, who inflate actual performance values.

To further insure our valued customers that Koshin stands by our produces, we offer a 3 year limited warranty against manufactured defects. Our pumps are used and loved in 160 all over the world.

Koshin… the world’s toughest pump.