MTS Hydraulic Power Unit Model 506-92 - Manual (Page 7)

Introduction 1-3
1.2 Specifications
Cooling water
specifications The required water pressure between the input and the output of the heat
exchanger is 30 to 45 psi (0.2 to 0.3 MPa). The maximum allowable
pressure is 120 psig (0.8 psid). The flow rate (
±
20%) at a given temperature
is shown in the table below.
Table 1-1. Cooling Water Requirements
Cooling Water Inlet Required Water Flow
Temperature 506.82B 506.92B
60
°
F (15.5
°
C) 30 gpm (114 l/min) 35 gpm (132 l/min)
65
°
F (18.5
°
C) 35 gpm (132 l/min) 42 gpm (159 l/min)
70
°
F (21.0
°
C) 40 gpm (151 l/min) 51 gpm (193 l/min)
75
°
F (24.0
°
C) 46 gpm (174 l/min) 67 gpm (254 l/min)
80
°
F (26.5
°
C) 54 gpm (204 l/min) 90 gpm (341 l/min)
85
°
F (29.5
°
C) 70 gpm (269 l/min) 120 gpm (454 l/min)
90
°
F (32.0
°
C) 90 gpm (346 l/min) 160 gpm (606 l/min)
General HPU
specifications Table 1-2 lists the specifications for the Model 506.82/.92 Hydraulic Power
Unit.
Table 1-2. HPU Specifications
Parameter Model 506.82B Model 506.92B
Maximum continuous pressure 3000 psi (20.7 MPa) 3000 psi (20.7 MPa)
Maximum flow capacity (60 Hz) 150 gpm (568 l/min) 200 gpm (757 l/min)
Maximum flow capacity (50 Hz) 150 gpm (568 l/min) 185 gpm (710 l/min)
Noise rating at 3 ft. (0.9 m) 90 dBa 90 dBa
Reservoir capacity:
Maximum full to top plate (no air) 571 gal ( 2161l) 571 gal ( 2161l)
Nominal running level, 28 in. (711 mm) above tank
bottom
463 gal (1753 l) 463 gal (1753 l)
Low-pressure filtration, absolute/nominal 3.0/0.45 microns 3.0/0.45 microns
High-pressure filtration 10 microns 10 microns
Fluid hose connections: *
Pressure (SAE 4 bolt) -24 (1), -32 (1) -24 (1), -32 (1)
Return (SAE 4 bolt) -24 (1), -32 (1) -24 (1), -32 (1)
Drain (37
°
flare) -16 (1), -12 (1),
-8 (2)
-16 (1), -12 (1),
-8 (2)
Main pump motor power rating (2 each) 150 hp (112 kW) 200 hp (150 kW)