Vickers | MHT904545-R1-15-JA-S123
MHT90/45/45-R1-15-JA-S123
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The MHT90/45/45-R1-15-JA-S123 vane motor belongs to the Vane Motors series manufactured by Vickers and supplies rotary motion for hydraulic automation where consistent low-speed, high-torque output is required. It delivers a theoretical displacement of 1,112.9 cc per revolution in the full-capacity cam position and 556.4 cc per revolution in the half-capacity position, providing two flow options without changing hardware. The unit withstands a maximum rated pressure of 207 bar for continuous duty while a stall pressure limit of 276 bar protects the vanes during locked-rotor events. At 138 bar it can turn at 300 rpm, matching drives that need controlled speed under moderate load. A minimum case flow of 1.89 l/min carries heat away from the bearings and balances internal leakage. Hydraulic lines connect through SAE 1.50 in four-bolt flanges, and excess leakage exits through a 0.5625-18 UNF-2B case-drain thread that mates with standard pipe adapters.
Installation parameters are defined by a 266.7 mm bolt circle on the mounting face, a 215.9 mm O-ring inside diameter that seals the flange, and a maximum screw length of 31.75 mm to avoid damage to the internal rotor set. A shaft seal measuring 69.85 mm keeps the working fluid isolated from the environment during both positive and negative pressure cycles. Theoretical output torque scales at 122 Nm for the full displacement mode and 61 Nm for the partial mode when supplied with 6.9 bar, giving designers a direct conversion factor for higher working pressures. Overall weight is 109 kg with the shaft fitted, so hoisting equipment is normally required during service. These characteristics make the motor suitable for swing drives, propulsion pods, or other mobile machinery that demands compact packaging and predictable hydraulic performance.
Technical Specifications
Case Drain Port Thread
.5625-18 UNF-2B
Max Mounting Screw Length
31.75 mm (1.25 in)
Maximum Rated Pressure
207 bar (3000 psi)
Maximum Speed @ 138 Bar
300 rpm
Maximum Stall Pressure
276 bar (4000 psi)
Minimum Case Flow
1.89 l/min (0.05 USgpm)
Mounting Bolt Circle Diameter
266.7 mm (10.50 in)
Mounting Face O-ring Id
215.9 mm (8.50 in)
Port Connections
SAE 1.50 in 4-bolt flanges
Shaft Seal Size
69.85 mm (2.75 in)
Theoretical Displacement (full)
1112.9 cc/rev (67.9 in3/rev)
Theoretical Displacement (half)
556.4 cc/rev (33.9 in3/rev)
Theoretical Output Torque (full)
122 Nm/6.9 bar
Theoretical Output Torque (partial)
61 Nm/6.9 bar
Weight (with Shaft)
109 kg (240 lb)
1620 Old Apex Road
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