VT7DSW
VT7DSW
- Pressure and Suction Ports: The pump features a 4-bolt SAE flange J518 with a maximum internal pressure of 250 bar (3630 psi).
- Mounting and Connection: Options include S5 for mineral oil and fire-resistant fluids, and S4 for fire-resistant fluids only.
- Seal Class and Camring: Various configurations are available, including standard porting combinations and design letters for customization.
- Direction of Rotation: The pump can rotate counter-clockwise (L) or clockwise (R), with keyed shaft options.
- Volumetric Displacement: Ranges from 55.0 cm³/rev (3.36 in³/rev) to 137.5 cm³/rev (8.39 in³/rev) depending on the model.
- Noise Levels: Typical noise levels are provided for different RPMs, with specific values for the VT7DSW-B31 model.
- Hydromechanical Power Loss: Detailed power loss data is provided, indicating efficiency under various operating conditions.
- Internal Leakage: Leakage rates are specified for different pressures and viscosities, highlighting the pump's efficiency.
- Shaft Specifications: Includes keyed and splined shaft options, with detailed dimensions and torque requirements.
- Load Capacities: Maximum axial load permissible is 1200 N (270 lbs), with detailed radial load data.
- Flow and Pressure: Operating characteristics are detailed for various pressures and RPMs, with specific input power requirements.
- Fluid Compatibility: The pump is compatible with mineral oils and fire-resistant fluids, with specific configurations for each.
Catalog excerpts
HIGH PERFORMANCE VANE PUMP VT7DSW - Series Modifications IM 1115- Housing and mounting flange fluid connections are in the same plane Mounting w/connection variables 4 bolts SAE flange J518 P = 1-1/4" S = 2½" UNC METRIC VT7DSW W1 M1 1) 250 bar (3630 psi) max. int. Seal class 4 - S4 (for fire resistant fluids) 5 - S5 (for mineral oil and fire resistant fluids) Direction of rotation (view on shaft end) Design letter Porting combination 00 - standard 00 NOISE LEVEL (TYPICAL) VT7DSW- B31 INTERNAL LEAKAGE (TYPICAL) 30.4 26.6 Inlet pressure 0.9 bar abs Viscosity 32 cSt n = 1200 RPM n = 1800 RPM Lw= Lp + 8 db (A) HYDROMECHANICAL POWER LOSS (TYPICAL) PERMISSIBLE RADIAL LOAD Speed n (rpm) Maximum axial load permissible Fa = 1200 N (270 Lbs)
Open the catalog to page 1
HIGH PERFORMANCE VANE PUMP Shaft code 3 SAE C splined shaft Class 1-J498b 12/24 dp. 14 teeth 30° pressure angle flat root side fit Ø63.5 SHAFT CODE-X (Keyed SAE C) 1.3x45° OPERATING CHARACTERISTICS - TYPICAL (24 cST) Flow q & n = 1500 rpm Volumetric Pressure Series Displacement Vp p = 0 bar (0 psi) p=140 bar (2000 psi) p=300 bar (4350 psi) port 1) B35-B38 = 280 bar (4060 psi) max.int. 2) B42 = 260 bar (3770 psi) max.int. *special 2"1/2 (2.5 dia) suction also available - Please contact VELJAN
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