KC-25VQH-28VQH Danfoss series Fixed Displacement Vane Pump Industrial Machinery

The VQH series is usually a vane pump, and the pump body is usually made of aluminum alloy, which is lightweight and corrosion-resistant. The blades are made of special alloys that have been precision machined and heat treated, and have good wear resistance. When working, the motor drives the rotor to rotate, and the blades slide along the inner surface of the stator under the action of centrifugal force and oil pressure, and the volume between the blades changes periodically, so as to realize the process of oil suction and oil pressing, and provide stable hydraulic power for the equipment.

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Advantages

High volumetric efficiency for efficient operation.

Smooth oil delivery with low pressure ripple.

Compact structure for easy installation in limited spaces.

Low noise level, creating a quieter working environment.

Long - lasting durability reduces maintenance frequency.

Precise flow control ensures stable system performance.

Technical Data

Type	Displacementcm³/rev	Operating pressure up to bar	Peakpressure bar	Max speedRmp	Shaft Type	Control Method
25VQH	25	210	250	3000	Splined shaft	PC、FC、PFC
35VQH	35	210	250	3000	Splined shaft	PC、FC、PFC
45VQH	45	210	250	3000	Splined shaft	PC、FC、PFC

Applications

Injection molding machines for plastic product fabrication.

Die - casting machines in metalworking industry.

Machine tools for precise machining tasks.

Printing presses to power hydraulic cylinders for accurate paper feeding.

Packaging machinery to drive hydraulic actuators for product packaging.

Construction equipment like small hydraulic shears for material cutting.

FAQ

How do you ensure product reliability without in-house production?

We hold ISO 9001/TS 16949 certifications and have over 15 years of hydraulic manufacturing experience. Each batch undergoes a 5-stage quality verification, including pressure cycle testing and material composition analysis.
How to handle component failures during the warranty period?

We offer a 12-month limited warranty (covering manufacturing defects). Simply send a diagnostic video via our platform, and our engineers will confirm repair/replacement solutions online.
Can technical drawings be provided for custom projects?

After confirming the deposit, engineering schematics can be shared under an NDA. Our advanced production system shortens lead times by 30% compared to traditional suppliers.
What is the minimum order quantity (MOQ) for hydraulic valves?

Standard models have a flexible MOQ of 50 pieces. Sample orders start from 20 pieces.
How to handle urgent breakdowns?

Our national partners stock critical spare parts in 6 regional centers, with priority delivery services available at major ports.
What are the payment terms for new customers?

A 50% T/T advance payment is required for the first transaction. Payment terms can be further discussed after three consecutive successful deliveries.
Are certification documents available?

Each shipment includes CE/ISO/REACH certificates. Special certifications (e.g., ATEX) require 45 days' prior notice.
Can you provide samples?

Yes. We can supply samples for your testing and verification needs. For sample requests, please inform us of the specific product model, quantity, and any special requirements. We’ll communicate details like sample preparation time, shipping arrangements, and relevant costs (e.g., sample production fees, logistics charges; partial costs may be negotiable under certain conditions).