Bosch Rexroth | PVV21-1X060-040RA15DDMB
PVV21-1X/060-040RA15DDMB
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The PVV21-1X/060-040RA15DDMB pump is produced by Bosch Rexroth for the PV Fixed Displacement Pumps series and delivers fixed-volume flow for hydraulic automation. It turns clockwise, so drive trains must match that rotation. Displacement is 60.0 cm³ per revolution on the flange side and 39.5 cm³ per revolution at the cover, establishing output volume per shaft turn. At 1500 rpm these values create maximum flows of 89 l/min and 59 l/min, respectively, which enables two separate circuits from one housing. Speed is limited to 1800 rpm with 1 bar inlet pressure, guiding motor selection. Inlet and outlet paths are independent, allowing each section to supply its own hydraulic loop. A cylindrical drive shaft eases coupling to standard hubs, while HLP mineral oil specified by DIN 51524-2 provides lubrication and sealing compatibility. The suction port accepts an SAE 2 ½ in fitting to keep inlet velocity low and reduce cavitation risk.
Continuous pressures reach 175 bar on the flange circuit and 160 bar on the cover, supporting medium-pressure tasks without overstressing the gears. Both pressure ports are located on the top of their sections; the flange port uses an SAE 1 in fitting and the cover port uses an SAE ¾ in fitting, aligning port size with expected flow. Suction and pressure connections follow SAE standards and are clamped by fifteen UNC screws, giving uniform sealing force. Fluid cleanliness must stay at ISO 4406 class 20/18/15 to prevent abrasive wear. Mounting is through an SAE-B flange that follows the SAE J744 pattern, allowing direct attachment to common prime movers. The assembly weighs 20 kg, so supporting structures and handling gear must be rated for that mass.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Connections
SAE Suction/Pressure, UNC Screws (15)
Direction Of Flow
Inlet/Outlet Independent
Direction Of Rotation
Clockwise (R)
Displacement
Flange 60.0 cm3/rev; Cover 39.5 cm3/rev
Drive Shaft Type
Cylindrical (A)
Fluid Type
HLP Mineral Oil (DIN 51524-2)
Max Continuous Pressure
Flange 175 bar; Cover 160 bar
Max Flow (1500 Rpm)
Flange 89 l/min; Cover 59 l/min
Max Speed
1800 rpm (1 bar inlet)
Mounting Flange
SAE-B (B)
Mounting Style
SAE J744 Flange Mounting
Pressure Port Positions
Flange Top (D); Cover Top (D)
Pressure Port Sizes
Flange SAE 1 in; Cover SAE 3/4 in
Suction Connection Size
SAE 2 1/2 in
Weight
20 kg
1620 Old Apex Road
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