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4240 UNx™ Bareshaft Pump - #9 Plungers

The Jetstream model 4240 is capable of power input up to 325 horsepower and flows* approaching twelve gallons per minute at 40,000 psi. It is the most advanced and efficient high horsepower waterblast pump in the industry. Combining the strength and durability of a proven power end workhorse with the unparalleled simplicity, service ability, and versatility of the UNx™ fluid end design, Jetstream bareshaft pumps are the best choice for those building their own system or replacing a complicated, worn, or unreliable pump.

Power End Specifications

No. of Plungers  3
Plunger Stroke 4.25 in (108 mm)
Discharge Ports 40K Port Female 
Top Ports (Accessory) 40K Port Female
Pump Speed Range 150-514 RPM
Max Power Input 325 hp (242 kW)
Max Frame Load 17,750 lb (79 kN)
Total Weight 1,800 lb (820 kg)
Oil Type 80W-90
Pump Oil Capacity 9 gal (34 l)

 

Fluid End Specifications

Plunger Size 9
Plunger Diameter .865 in (22.0 mm)
Max Power Input / Operating Pressure 325 hp (242 kW) @ 30,000 psi (2068 bar)
Flow at Specified Speeds
150 RPM 4.9 gpm (18.5 lpm)
200 RPM 6.5 gpm (24.6 lpm)
300 RPM 9.7 gpm (36.7 lpm)
400 RPM 13.0 gpm (49.2 lpm)
514 RPM 16.8 gpm (63.6 lpm)

 

*Displacement (flow) values represented refer to "theoretical" flow, neglecting inefficiency resulting from compressibility of water and expansion of pressure-bearing components.

 

Part Number: 64937
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Model Name Maximum Power (hp) Maximum Operating Pressure (psi) Maximum Flow (gpm) Minimum Flow (gpm) Maximum Power (kW) Maximum Operating Pressure (bar) Maximum Flow (l/min) Minimum Flow (l/min) Plunger Size Plunger Diameter (in) Plunger Diameter (mm) Number of Plungers Plunger Stroke (in) Plunger Stroke (mm) Discharge Port Connection Accessory Port Connections Number of Accessory Ports Suction Port Connection Minimum Pump Speed (RPM) Maximum Pump Speed (RPM) Maximum Plunger Load (lbs) Maximum Plunger Load (N) Flow at 150 RPM (gpm) Flow at 200 RPM (gpm) Flow at 300 RPM (gpm) Flow at 400 RPM (gpm) Flow at 500 RPM (gpm) Flow at 514 RPM (gpm) Flow per Revolution (gal/rev) Flow at 150 RPM (l/min) Flow at 200 RPM (l/min) Flow at 300 RPM (l/min) Flow at 400 RPM (l/min) Flow at 500 RPM (l/min) Flow at 514 RPM (l/min) Flow per Revolution (l/rev) Power End Model Oil Type Oil Capacity (gal) Oil Capacity (l) Weight (lbs) Weight (kg)
4240 307 40000 11.9 3.5 229 2750 45 13 #8 0.73 18.54 3 4.25 108 40K Pump Discharge Female Jetstream 40K Port Female 3 1"NPT Female 150 514 17750 78950 3.5 4.6 6.9 9.2 11.6 11.9 0.0231 13 17 26 35 44 45 0.087 4200 80W-90 9 34 1800 820
  • Operation Manual