Specifications
B-1
PUMP & FLUID ENDS
40,000 PSI
PUMP &
FLUID ENDS
www.waterblast.com
The Jetstream 40,000 psi UNx Bareshaft Pump provides
unrivaled durability and strength. The pump is capable of
power inputs up to 325 horsepower and, coupled with the best
Jetstream UNx uid end, provides ow* rates approaching
twelve gallons per minute. Jetstream bareshaft pumps are the
best choice for those building their own system or replacing a
complicated, worn, or unreliable pump.
The following UNx Bareshaft Pumps available:
• 4200 Series (4240): 325HP @ 11.9 gpm
• 3600 Series (3640): 200HP @ 7.8 gpm
• 3000 Series (3040): 150HP @ 5.2 gpm
Seven different pump displacement levels are available within the
three series. See pages B-2, B-4 and B-7 for further details.
Power End:
• Ductile iron power frame is the strongest
in the industry
• Heat treated billet alloy steel crankshaft
• Largest bearings of any pump on the market
UNx Fluid End:
• Superior performance
• Greater exibility in the eld
• Reduced downtime and maintenance
• See UNx Features and Benets on page B-10
NOTE: The placement of the crankshaft (right hand or left hand)
and paint color are required when ordering a bareshaft pump.
Standard paint color is yellow.
An optional gear drive is available on the 3040 Bareshaft Pump.
Several congurations are available. See page B-7 for ratio
information. Clocking position required when ordering.
UNx
™
BARESHAFT
PUMP
FEATURES AND BENEFITS
*Displacement (flow) values represented refer to “Theoretical” (flow) neglecting
inefficiency resulting from compressibility of water and expansion of pressure-bearing
components.