Vickers | 25VTBS21A2-202AA22
25VTBS21A2-202AA22
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The 25VTBS21A2-202AA22 is manufactured by Vickers for the Vane Pumps series and supplies hydraulic flow in automated circuits. It has a displacement of 67.5 cm³ per revolution, equal to 4.12 in³ per revolution. At 1200 rpm and 7 bar it provides a rated capacity of 21 US gpm, supporting steady medium-pressure operation. The casing withstands a maximum operating pressure of 210 bar (3000 psi). Inlet conditions are restricted to 1.4 bar positive pressure or a vacuum of 5 in Hg to prevent cavitation. A front mounting flange built to SAE J744 127-2 aligns the pump with standard prime movers.
When driven to its maximum speed of 2500 r/min the pump delivers 146.2 L/min, equivalent to 38 US gpm. Reaching this output requires 61.9 kW (83 hp) at the shaft. The thru-drive tolerates 316 lb-in, or about 2800 N-cm, of torque for cascading additional hydraulic elements. Connection of that auxiliary drive uses an SAE B adapter defined by SAE J744 101-2. These characteristics allow the 25VTBS21A2-202AA22 to operate reliably in centralized hydraulic power units where high flow and compact mounting are essential.
Technical Specifications
Delivery At Max Speed
146.2 L/min (38 USgpm)
Displacement
67.5 cm3/rev (4.12 in3/rev)
Front Mount Flange
SAE J744 127-2
Inlet Positive Pressure Limit
1.4 bar (20 psi)
Inlet Vacuum Limit
5 in Hg
Input Power At Max Speed
61.9 kW (83 hp)
Max Operating Pressure
210 bar (3000 psi)
Max Speed
2500 r/min
Max Thru-drive Torque (b)
316 lb-in (2800)
Rated Capacity
21 USgpm @ 1200 rpm (7 bar)
Thru-drive Adapter
SAE B (SAE J744 101-2)
1620 Old Apex Road
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