Vickers | 416441
416441
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The 416441 hydraulic cartridge belongs to the Vickers Hydraulic Accessories series and is manufactured by Vickers for automated fluid power systems. It displaces 55.2 cm³ per revolution (3.37 in³/rev), setting the volume of oil transferred each shaft turn. At 1200 rpm and 7 bar it produces a rated flow of 17 gpm so circuit components can be sized for steady delivery. A continuous working pressure of 206 bar (3000 psi) allows the unit to operate in high-load presses and molding equipment without overstressing internal parts. Maximum speed is limited to 2500 rpm to avoid cavitation and heat build-up. The rotor holds ten vanes, a count chosen to smooth flow pulses and reduce vibration in precision machinery.
The shaft must spin at least 1000 rpm whenever system pressure exceeds 1000 psi to maintain stable lubrication films; under lighter loads of 1000 psi or below the minimum speed falls to 600 rpm, conserving energy in standby modes. Sealing between the housing and the mounting cavity is provided by an O-ring with a 3.859 in inside diameter, a 3.998 in outside diameter, and a 0.139 in cross-section. The ring is molded from Buna-N nitrile so it resists swelling in petroleum-based hydraulic oil. The fully assembled cartridge weighs 8.00 lb, keeping handling straightforward during installation or routine service.
Technical Specifications
Continuous Pressure
206 bar (3000 psi)
Displacement
55.2 cm³/rev (3.37 in³/rev)
Max Speed
2500 rpm
Min Speed (>1000 Psi)
1000 rpm
Min Speed (≤1000 Psi)
600 rpm
O-ring Cross Section
0.139 in
O-ring Id
3.859 in
O-ring Material
Buna-N (Nitrile)
O-ring Od
3.998 in
Rated Flow (1200 Rpm, 7 Bar)
17 gpm
Vane Count
10
Weight
8.00 lb
1620 Old Apex Road
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