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Low Pulsation High Pressure PGH Series Internal Hydraulic Gear Pump for Precision Industrial Equipment

PGH is fixed-displacement internal gear pump with gap compensation structure. It reaches max 315bar working pressure, delivers ultra-low noise and tiny flow fluctuation. It maintains high efficiency at low speed, supports combined pump assembly, stable for high-cycle heavy-duty industrial hydraulic systems.

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Introduction to the Low Pulsation High Pressure PGH Series Internal Hydraulic Gear Pump

PGH-3X is classic high-performance internal gear pump. Frame size 4&5 cover displacement 20–250cc/rev, cast iron rigid housing boosts pressure resistance. Every pump passes pressure fatigue, leakage and aging tests before delivery. ISO standard flange and shaft realize easy OEM matching and spare replacement, widely used in premium industrial hydraulic stations.

Details of the Low Pulsation High Pressure PGH Series Internal Hydraulic Gear Pump

FEATURES

Features of the Low Pulsation High Pressure PGH Series Internal Hydraulic Gear Pump

Automatic Wear Compensation

Automatic Wear Compensation

Axial and radial gap compensation offsets gear wear to maintain high volumetric efficiency over long service cycles.

Low-Pulsation Quiet Output

Low-Pulsation Quiet Output

The optimized involute tooth profile reduces meshing shock, noise and pressure pulsation for precision machinery.

Efficient Low-Friction Operation

Efficient Low-Friction Operation

Hydrodynamic plain bearings reduce shaft friction, power consumption and system heat buildup.

 

Flexible System Configuration

Flexible System Configuration

Single or double pump options and bidirectional rotation adapt to complex layouts, wide speeds and fluid viscosities.

Durable Multi-Fluid Design

Durable Multi-Fluid Design

Wear-resistant internal parts withstand repeated loads, while FKM seals support multiple hydraulic oil media and lower maintenance costs.

APPLICATIONS

Related Application

Hydraulic Gear Pump for Construction

Supplies stable high-pressure oil for construction power units and auxiliary forming equipment with minimal pulsation.

Hydraulic Gear Pump for Agriculture

Provides efficient hydraulic power for automated agricultural processing systems requiring smooth continuous output.

Hydraulic Gear Pump for Marine

Supports marine auxiliary power units with low-pulsation flow and flexible multi-circuit installation.

Hydraulic Gear Pump for Mining

Powers die-casting, foundry, pressing and forming equipment with stable high-pressure hydraulic output.

Hydraulic Gear Pump for Metallurgy

Supports marine auxiliary power units with low-pulsation flow and flexible multi-circuit installation.

Products Feedback

Questions & Answers

Can you customize products to my specifications?

Absolutely. We provide OEM/ODM services and can manufacture according to your samples or technical drawings.

How quickly can you deliver products?

For in-stock items, we can ship within 3 days. For custom or non-stock items, delivery usually takes 7–15 days. We’ll confirm exact timing based on current inventory.

Is there a minimum order quantity?

Yes, but it’s flexible. Spare parts often have an MOQ of 1 piece, while complete pumps or motors vary by model—please inquire for details.

Are you a factory or a trading company?

We are a hybrid—both a manufacturer and a trading company. We produce our own products and also source specific components to offer complete solutions.

How do you ensure product quality?

We follow strict quality control protocols. All parts undergo CNC machining and heat treatment, and each is 100% tested before delivery to guarantee precision and reliability.

What payment methods do you accept?

We accept T/T, L/C, Western Union, Alibaba Trade Assurance, and VISA. For new customers, we usually require full prepayment or a 30% deposit with the balance due before shipment.

What shipping methods are available?

We offer flexible shipping via express carriers (DHL, FedEx, UPS) and sea freight (CIF/FOB). We can also deliver to your designated freight forwarder in China.

What is the warranty period for your products?

All products come with a 1-year warranty, provided they are installed and operated under normal conditions.

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