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3620 UNx™ Bareshaft Pump - #11 Plungers

The Jetstream model 3620 waterblast pump is capable of power input of up to 270 horsepower (201 kW). It is the most advanced and efficient medium horsepower waterblast pump in the industry. Combining the strength and durability of a proven power end workhorse with the unparalleled simplicity, serviceability 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.

  • Three plunger (triplex) design
  • Up to 270 horsepower

 

UNX™ Fluid End Features

  • Ductile iron power frame is the strongest in the industry
  • Crankshaft machined from high-tech forged alloy for superior performance at higher power input
  • Largest bearings of any comparable pump on the market
  • Maximum Flow: 21.5 gpm (81 lpm) at 20,000 psi* (1379 bar)

 

Power End Specifications

No. of Plungers  3
Plunger Stroke 3.60 in (92 mm)
Discharge Ports 20K Port Female 
Top Ports (Accessory) 20K Port Female
Pump Speed Range 183-518 RPM
Max Power Input 270 hp (201 kW)
Max Frame Load 17,750 lb (79 kN)
Total Weight 1,720 lb (780 kg)
Oil Type 80W-90
Pump Oil Capacity 9 gal (34 l)

 

Fluid End Specifications

Plunger Size 11
Plunger Diameter 1.06 in (26.97 mm)
Max Power Input / Operating Pressure 270 hp (201 kW) @ 20,000 psi (1379 bar)
Flow at Specified Speeds
183 RPM 7.6 gpm (29 lpm)
200 RPM 8.3 gpm (31 lpm)
300 RPM 12.4 gpm (47 lpm)
400 RPM 16.6 gpm (63 lpm)
500 RPM 20.7 gpm (78 lpm)
518 RPM 21.5 gpm (81 lpm)

 

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

 

Part Number: 66946
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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 550 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 550 RPM (l/min) Flow per Revolution (l/rev) Power End Model Oil Type Oil Capacity (gal) Oil Capacity (l) Weight (lbs) Weight (kg)
3620 168 20000 13 3.6 125 1400 49 14 #8 0.8 20.32 3 3.6 92 Jetstream 20K Port Female Jetstream 20K Port Female 3 2"NPT Female 150 550 11300 50300 3.5 4.7 7.1 9.4 11.8 12.9 0.0235 13 18 27 36 45 49 0.089 3600 80W-90 9 34 1720 780
  • Operation Manual