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622AK Series Hydraulic Piston Pump for Construction Machinery

This is a variable axial hydraulic piston pump built with swash plate structure. It converts mechanical input power into pressurized hydraulic oil by reciprocating motion of pistons inside cylinder block, delivering adjustable flow output matched with system demands.
The pump adopts precision manufacturing to achieve stable pressure output and high volumetric efficiency. Optimized internal friction design reduces heat generation, ensures continuous reliable operation and suppresses noise under heavy load working conditions.
Multiple displacement and control options are available for the 622AK series. It can be matched with various hydraulic control circuits and integrated into complete hydraulic systems for different heavy-duty industrial and mobile equipment.

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Introduction to the 622AK Series Hydraulic Piston Pump

This is a variable axial hydraulic piston pump built with swash plate structure. It converts mechanical input power into pressurized hydraulic oil by reciprocating motion of pistons inside cylinder block, delivering adjustable flow output matched with system demands. The pump adopts precision manufacturing to achieve stable pressure output and high volumetric efficiency. Optimized internal friction design reduces heat generation, ensures continuous reliable operation and suppresses noise under heavy load working conditions. Multiple displacement and control options are available for the 622AK series. It can be matched with various hydraulic control circuits and integrated into complete hydraulic systems for different heavy-duty industrial and mobile equipment.

Details of the 622AK Series Hydraulic Piston Pump

This piston pump is engineered to adapt to harsh industrial working environments. Its precision internal components guarantee reliable long-hour continuous operation and accurate hydraulic control for mobile machinery hydraulic systems.

FEATURES

Features of the 622AK Series Hydraulic Piston Pump

Variable Displacement Control

Variable Displacement Control

Adopts swash plate variable structure to adjust output flow according to system requirements, flexible for different working cycles.

High Pressure & High Efficiency

High Pressure & High Efficiency

Supports high working pressure, maintains good volumetric efficiency to reduce energy loss during power transmission.

Low Noise & Smooth Operation

Low Noise & Smooth Operation

Optimized internal flow path and component fit, reduces vibration and noise during continuous running.

Robust Structure & Low Maintenance

Robust Structure & Low Maintenance

Heavy-duty housing and durable friction pairs extend service life and lower routine maintenance cost.

Wide System Compatibility

Wide System Compatibility

Multiple control versions are optional, compatible with different hydraulic systems for mobile and heavy industry equipment.

APPLICATIONS

Related Application

Application & Usage

Hydraulic Piston Pump for Construction

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Suitable for excavator, loader and other construction machinery hydraulic systems to supply stable power for construction operations.

Hydraulic Piston Pump for Agriculture

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Provides hydraulic power for farming equipment, supports stable drive and control of large agricultural machinery.

Hydraulic Piston Pump for Marine

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Used for marine equipment hydraulic systems, capable of continuous operation under marine working conditions.

Hydraulic Piston Pump for Mining

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Designed for mining equipment, delivers stable hydraulic power under heavy duty and harsh underground environment.

Hydraulic Piston Pump for Metallurgy

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Applied to metallurgy equipment, supports high pressure hydraulic control for industrial metallurgical production processes.

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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