Nachi-Fujikoshi PVS-1B-16N3-U-12 Variable Piston Pump

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Product details

Nachi-Fujikoshi PVS-1B-16N3-U-12 Variable Piston Pump

1. Brand Full Name

Nachi-Fujikoshi: A top-tier Japanese hydraulic brand widely applied in construction machinery, machine tools and injection molding machines.

Variable Piston Pump: A pump with adjustable displacement for energy saving and constant pressure maintenance.

2. Breakdown of Model Code (Standard Coding Rule for PVS Series)

PVS

Series code: Small-sized single variable piston pump for low to medium pressure general use, mainly used for machine tools, small hydraulic power units, tooling fixtures and mini construction machinery.

- 1: Mounting frame size (Series 1, the smallest PVS pump body size)

- B: Control type = Pressure-compensated variable (constant pressure type), automatically reduces displacement to hold pressure once the system reaches the set pressure.

Theoretical displacement: 16 mL/r (16cc/rev), delivering 16 milliliters of hydraulic fluid per revolution.

- N: Shaft type: Straight key shaft (standard metric straight key drive shaft)

- 3: Seal material & operating temperature range: NBR nitrile oil seal, compatible with conventional hydraulic oil (ISO VG32/46) under normal temperature conditions.

Port arrangement: Horizontal side inlet & side outlet layout (universal for flange and threaded mounting).

Revision serial number: The 12th upgraded batch from the Japanese original factory, with optimized cylinder block and valve plate for enhanced wear resistance and reduced internal leakage.

3. Key Technical Parameters

1. Displacement: 16 cc/rev

2. Max working pressure: 21 MPa (210 bar), peak intermittent pressure: 24.5 MPa

3. Rotation speed range: 600～1800 rpm

4. Drive type: Straight key shaft input, horizontal mounting

5. Control mode: Pressure-compensated constant pressure variable

6. Applicable medium: Common anti-wear hydraulic oil, machine oil

7. Application scenarios: Machine tool hydraulic systems, small hydraulic power packs, auxiliary units of injection molding machines, woodworking machinery, material handling trolley hydraulic systems

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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Main Product: hydraulic motor, gear box , hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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