VT67BB
VT67BB
- Internal Leakage: Typical internal leakage rates are provided for various conditions, with a warning not to operate the pump for more than 5 seconds if leakage exceeds 50% of theoretical flow.
- Noise Levels: Noise levels are specified in decibels (dB) at different RPMs, with additional noise data for double pump configurations.
- Hydromechanical Power Loss: Power loss is calculated as the sum of losses in each section under operating conditions.
- Permissible Radial Load: Maximum permissible axial load is specified as 800N (180 lbs).
- Operating Conditions: The pump should not be operated beyond specified speed or viscosity limits to prevent excessive internal leakage.
- Mounting and Torque: Detailed mounting torque specifications are provided for different shaft codes and configurations.
- Shaft Configurations: Various shaft types are described, including keyed and splined options, with specific standards such as SAE BB and J498b.
- Seal Classes: Different seal classes are available for use with mineral oil and fire-resistant fluids.
- Use for Severe Duty: Specific configurations are recommended for severe duty applications.
- Cam Ring and Series: Recommendations for cam ring types and series for specific pressure conditions.
- Volumetric Displacement: Detailed volumetric displacement values are provided for different configurations, ranging from 5.7 cm3/rev to 50.0 cm3/rev.
- Pressure and Flow Rates: Pressure ratings and flow rates are specified for various operating conditions, with maximum pressures up to 300 bar (4350 psi).
Catalog excerpts
HIGH PERFORMANCE VANE PUMP VT67BB Use for severe duty shaft only— Type of shaft- W version Mounting W/connection variables Seal class 4 - S4 (for fire resistant fluids) resistant fluids) Design letter Porting combination (see page BM-1-5) Direction of rotation (view on shaft end) INTERNAL LEAKAGE ( TYPICAL) NOISE LEVEL ( TYPICAL) Do not operate pump more than 5 seconds at any speed or viscosity if internal leakage is more than 50 of theoretical flow. Total leakage is the sum of each section loss at its operating Double pump noise level is given with each section discharging at the pressure noted on the curve. HYDROMECHANICAL POWER LOSS (TYPICAL) PERMISSIBLE RADIAL LOAD Total hydromechanical power loss is the sum of each section Maximum permissible axial load Fa = 800N (180 lbs)
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