Specifications

B-5
PUMP & FLUID ENDS
40,000 PSI
PUMP &
FLUID ENDS
www.waterblast.com
34.41"
(874)
1" NPT
SUCTION
20.75"
(527)
8.20"
(208)
20.88"
(530)
5.88"
(149)
4.75" (121)
33.50" (851)
2.56"
(65)
20.25" (514)
1.0x.5 K.W.
(25.4x12.7)
1.87" (48)
4.25"
(108)
7.0"
(178)
10.63"
(270)
50.56" (1284)
10.38"
(264)
1.00-12UN 40,000 PSI
PORT CONNECTION
7.45"
(189)
48.13" (1222)
1.19-16UN DISCHARGE
PORT CONNECTION
MANIFOLD IN
LOWERED
POSITION
13.66"
(347)
Primary dimensions are in inches.
Dimensions in parentheses are millimeters.
HORSEPOWER CHART
MODEL 3640
UNx
™
BARESHAFT PUMP
* Displacement (flow) values represented refer to “theoretical” flow, neglecting
inefficiency resulting from compressibility of water and expansion of pressure-
bearing components.
PUMP DISPLACEMENT AT SPECIFIED POWERS AND PRESSURES*
COMMON ENGINE
POWERS
PUMP OPERATING PRESSURE
psi bar psi bar psi bar
30,000 2,068 36,000 2,482 40,000 2,750
hp kW gpm lpm gpm lpm gpm lpm
150 112 7.8 29.3 6.5 24.4 5.8 22.0
177 132 9.1 34.6 7.6 28.8 6.9 26.0
200 149 10.3 39.1 8.6 32.6 7.8 29.3