Vickers | PVB29-FLS-20-CM-11
PVB29-FLS-20-CM-11
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The PVB29-FLS-20-CM-11 is part of the PVB Piston Pumps series produced by Vickers for hydraulic automation tasks that require steady fluid delivery. Its geometric displacement is 61.6 cm³ per revolution (3.76 in³/rev), which defines the volume moved each shaft turn. At 1800 r/min the pump generates a rated flow of 109.7 L/min (29 gpm), and supplying that flow calls for 29.4 kW (39.5 hp) of input power. The maximum shaft speed is 1800 r/min, so drive components must not exceed this limit. Rotation is anticlockwise (left-hand) to match the specified prime-mover direction, and torque is transmitted through a 7.9 mm square × 31.7 mm shaft key. Main inlet and outlet lines connect to a 1.625-12 UNF-2B SAE port, while internal leakage is returned to tank through a 0.750-16 UNF-2B SAE case-drain port.
Pressure and temperature limits govern reliable service. Inlet pressure may reach 1.0 bar (15 psi) to prevent cavitation, and outlet pressure can be as high as 140 bar (2000 psi) when anti-wear oil is used or 100 bar (1500 psi) with water-glycol fluid. The compensator permits settings between 17 bar (250 psi) and 100 bar (1500 psi) so circuit relief levels can be tuned to actuator demands. Acceptable ambient temperature ranges from −20 °C to +70 °C, letting the unit operate in both cold and hot installations. Mineral-oil temperature is allowed up to +80 °C, providing headroom for heat generated during continuous duty.
Technical Specifications
Case Drain Port Thread
0.750-16 UNF-2B (SAE)
Geometric Displacement
61.6 cm3/rev (3.76 in3/rev)
Inlet/outlet Port Thread
1.625-12 UNF-2B (SAE)
Input Power @ 1800 R/min
29.4 kW (39.5 hp)
Max Ambient Temperature
+70 C
Max Fluid Temperature (mineral Oil)
+80 C
Max Inlet Pressure
1.0 bar (15 psi)
Max Outlet Pressure (aw Oil)
140 bar (2000 psi)
Max Outlet Pressure (water Glycol)
100 bar (1500 psi)
Max Pressure Setting (cm)
100 bar (1500 psi)
Maximum Shaft Speed
1800 r/min
Min Ambient Temperature
-20 C
Min Pressure Setting (cm)
17 bar (250 psi)
Rated Flow @ 1800 R/min
109.7 L/min (29 gpm)
Rotation Direction
Anticlockwise (LH)
Shaft Key Size
7.9 mm Sq x 31.7 mm
1620 Old Apex Road
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