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NSH32 Series gear pumps
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Description
Product Overview
The NSH32 series gear pump is a high-performance external gear hydraulic pump belonging to the Hydrosila NSH product line . It is engineered with advanced design concepts, precision-manufactured components, and high-precision production equipment, ensuring stable operational efficiency and reliable performance throughout its service life . This series is widely recognized for its robust structure, excellent durability, and adaptability to various harsh working conditions, making it a preferred choice for hydraulic systems in multiple industries.
Technical Specifications
The NSH32 series offers two main executions (M and МЧ) to meet different pressure requirements, with the following key technical parameters :
|
Item
|
M Execution
|
МЧ Execution
|
|---|---|---|
|
Displacement
|
32 cm³/rev (32 cc/rev)
|
32 cm³/rev (32 cc/rev)
|
|
Maximum Continuous Pressure
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160 bar (2320 psi)
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200 bar (2900 psi)
|
|
Maximum Intermittent Pressure
|
210 bar
|
250 bar
|
|
Maximum Peak Pressure
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250 bar
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280 bar
|
|
Maximum Speed
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3600 min⁻¹ (rpm)
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3000 min⁻¹ (rpm)
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|
Minimum Speed
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500 min⁻¹ (rpm)
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500 min⁻¹ (rpm)
|
|
Housing Material
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Special Aluminum Alloy
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High-Strength Cast Iron
|
|
Volumetric Efficiency
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Not less than 0.94
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Not less than 0.94
|
Rated speed: 2000 rpm; Rated pressure: 18 MPa (2610 psi) . The pump is available in both left (counterclockwise) and right (clockwise) rotation directions, viewed from the drive motor side .
Structural Features
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Robust Construction: The M execution adopts special aluminum alloy housing for lightweight and corrosion resistance, while the МЧ execution uses high-strength cast iron housing to withstand higher pressure and ensure long-term durability . Both versions feature a compact design, small volume, and light weight .
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Reliable Connection: Equipped with B-type square flange and involute spline shaft, ensuring stable power transmission and easy integration into hydraulic systems .
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Working Principle: As an external gear pump, it forms a sealed working volume with meshing gears, pump body, and side covers . When the gears rotate, the volume of the suction chamber expands to draw oil, and the volume of the discharge chamber contracts to deliver oil, realizing efficient fluid transfer .
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Low Maintenance: Simple structure, easy manufacturing, and insensitivity to oil contamination reduce maintenance costs and improve operational reliability . Spare parts are easily accessible, further lowering service expenses .
Application Scenarios
The NSH32 series gear pump is widely applied in hydraulic systems of various machinery and equipment, including :
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Agricultural machinery: MTZ tractors, combines, and other agricultural vehicles.
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Construction machinery: Bulldozers, graders, wheel loaders, and backhoe loaders.
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Material handling equipment: Forklifts and other loading/unloading machinery.
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Other equipment: Municipal devices, logging machinery, and stationary hydraulic systems driven by electric motors.
Model Designation Rules
According to OST 23.1.92-88, the model of NSH series pumps follows the structure: NSH 32 U-3 LX . Each part indicates: NSH: Gear pump type.32: Displacement (cm³/rev).U: Design code (varies by structure, e.g., U, A, D, B; details refer to manufacturer documentation).3: Nominal pressure class (3 represents 16 MPa).L: Shaft rotation direction (L for left rotation; right rotation is not marked).X: Climatic version (for export only, e.g., U, T, HL per GOST 15150-69; not marked for domestic delivery).
gear pump
Shipping & Delivery
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