YLH33 Internal Gear Pump

YLH33 Internal Gear Pump

2 week ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

YLH33 Internal Gear Pump

Product Overview

YLH33 is a double‑stage internal‑mesh Hydraulic gear pump, a high‑performance hydraulic pump designed for heavy‑duty industrial hydraulic system and large‑power hydraulic‑driven Machine[(Zhejiang Y...)].

This double‑unit Hydraulic gear pump adopts internal‑meshing gear structure with axial‑radial pressure compensation. It delivers stable flow output with low noise and low flow pulsation, providing reliable oil supply for your hydraulic system. It is widely used for high‑pressure oil supply in hydraulic presses, injection molding machines, engineering equipment and other heavy‑load industrial Machine.

Technical Specifications

‑ Model: YLH33

‑ Product Type: Double‑stage internal‑mesh Hydraulic gear pump, pressure‑compensated hydraulic pump[(Zhejiang Y...)]

‑ Displacement range: Shaft‑end pump 63‑160 mL/r; Cover‑end pump 63‑160 mL/r, multiple displacement combinations available[(Zhejiang Y...)]

‑ Rated working pressure: 21 MPa; Maximum working pressure: 25 MPa

‑ Rotation speed range: 600‑2500 r/min

‑ Mounting form: Foot‑mounted / flange‑mounted, standard mounting dimension

‑ Shaft option: Plain key shaft / SAE spline shaft

‑ Rotation direction: Clockwise / Counter‑clockwise optional

‑ Working medium: Anti‑wear hydraulic mineral oil for industrial hydraulic system

‑ Oil temperature range: ‑20℃ ~ +80℃

‑ Key Features: Double‑pump combined structure, low noise, low flow pulsation, high volumetric efficiency, durable for heavy‑load working condition of industrial Machine

Working Principle

YLH33 internal‑mesh Hydraulic gear pump consists of two sets of internal‑meshing gear pairs, crescent partition plate, pressure‑compensated side plates and cast‑iron pump housing. When the motor drives the main shaft to rotate, the internal and external gears rotate synchronously. The volume of the suction chamber increases to generate negative pressure, drawing hydraulic oil into the pump cavity. As gears rotate, the volume of pressure chamber shrinks, squeezing hydraulic oil out to supply the whole hydraulic system. The built‑in pressure‑compensation structure maintains high volumetric efficiency under variable pressure conditions.

Worn gear pairs, blocked oil passages or shaft seal failure will cause flow drop, pressure instability or oil leakage of the Machine. Replacing qualified YLH33 hydraulic pump can restore stable oil‑supply performance of your hydraulic system.

Core Advantages

1. Double‑stage combined design, two independent flow outputs, flexible to match multi‑circuit demand of complex hydraulic system.

2. Internal‑mesh gear structure with pressure compensation, low noise and small flow pulsation, improves running stability of hydraulic‑driven Machine.

3. High volumetric efficiency, stable output flow under variable pressure, suitable for continuous heavy‑load operation.

4. Wide displacement combination options, easy to select matching parameters for different Machine power requirements.

5. Robust cast‑iron housing, good interchangeability, convenient for maintenance and replacement in existing hydraulic system.

Application Range

YLH33 double‑stage internal‑mesh Hydraulic gear pump is a key power‑supply hydraulic pump for heavy‑duty industrial hydraulic system. It is widely applied to large hydraulic presses, injection‑molding machinery, die‑casting equipment, engineering machinery, hydraulic test benches and other high‑power hydraulic‑driven industrial Machine. Suitable for hydraulic‑system integrators, equipment manufacturers, maintenance workshops and global spare‑parts distributors.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

4 year

Address: Ningbo, China

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

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