Which A4VG models are recommended for general-purpose use?

General-purpose models like A4VG56, A4VG71, and A4VG90 are recommended due to their high versatility and readily available spare parts.

Pump A4vg28 Series Hydraulic Piston Pump Used for Paver (BV certificate)

Name: Pump A4vg28 Series Hydraulic Piston Pump Used for Paver (BV certificate)
Brand: Hangzhou PinXin Hydraulic Technology Co., Ltd.
SKU: 845268055

Zhejiang, ChinaHangzhou PinXin Hydraulic Technology Co., Ltd.

US$99.00-180.00

1 Piece

Product profile

Customization

Available

Warranty

12 Months

Structure

Axial Plunger Pump

Model NO.

A4VG28

Cylinder Number

Single Cylinder

Drive Mode

Hydraulic Driven Reciprocating Pump

Pump Shaft Position

Horizontal

Type

Radial

Power

Hydraulic

Straight Shaft Swashplate Piston Type

Pressureoil

Radial Plunger Pump Type

Axial Flow

Apply for

Paver

Material

Carbon Steel

Apply to

Excavator

Weight

15kg

Usage

Oil

Transport Package

Standard Export Package

Specification

A4VG28

Trademark

Pinxin

Origin

China

HS Code

8413606090

Production Capacity

1000pieces/Month

Key features

High Pressure Rating: Rated pressure 400 bar, peak pressure 450 bar, suitable for heavy-duty closed-loop systems.

Compact Design: Built-in oil supply pump and complete valve assembly for simplified installation.

Low Noise Operation: Optimized flow path and dynamic balancing for long-term continuous operation.

Universal Compatibility: 32-series universal interface compatible with most host systems.

Diverse Control Options: Offers EP, HD, HW, and EZ control types for different application needs.

Fast Delivery Options: Courier 5-7 days, Air 3-5 days, Sea 20-30 days available.

Comprehensive Warranty: 12-month warranty covering free repair or replacement for non-human-caused damage.

Company profile

Importers and Exporters

Hangzhou PinXin Hydraulic Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2016-02-03Nearest Port: shanghai, ningboAverage Response Time: ≤3.53hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CIF

AI-Powered supplier vetting

SummaryThe supplier is a China-based hydraulic components agent and distributor with over ten years of experience representing Rexroth and Sauer-Danfoss products, and it also provides hydraulic system design, production, maintenance, and technical services. It reports TS 16949 and ISO 9001 certifications, export experience of eight years, and export sales accounting for 51%–70% of total sales. Customization is available, but only as flexible or minor customization. Innovation evidence is limited: there was no new product in the past year, no ODM, no SDK, no 3D design service, and only one R&D engineer. Service-management controls are weak or undocumented, with no written procedures for complaint handling, corrective actions, or service-capability assessment. Overseas service infrastructure is absent, although the supplier has attended PTC ASIA and accepts multiple trade and payment terms. Quality assurance and traceability status are unknown, and reported quality-control testing equipment is zero. No specific...

Supplier typeThe supplier describes itself as an agent and distributor of Rexroth and Sauer-Danfoss hydraulic control components, while also offering system design, production, maintenance, technical services, and flexible or minor customization. It exports through agents and under its own import/export rights, with eight years of export experience.

CertificationsThe supplier reports holding TS 16949 and ISO 9001 supplier-management-system certifications. These are explicit certification claims, although the provided information does not include certificate numbers, validity dates, or scope.

After-Sales capabilityThe supplier states that it provides maintenance and professional technical services and reports lead times within 15 working days in both peak and off-season periods. However, it has no written complaint-handling, corrective-action, or service-capability assessment procedures, no overseas agents or branches, no overseas showroom, and serves zero countries overseas; therefore, formal and international after-sales support is not demonstrated.

R&D capabilityInnovation capability appears limited: the supplier has one R&D engineer, no available SDK, no 3D software design service, no ODM service, no professional-technology-supplier designation, and no new product reported in the past year. Its R&D engineer is assigned to developing new supply chains based on customer needs, but this does not establish strong product innovation.

Customization capabilityThe supplier explicitly offers flexible customization and minor customization for design services. It does not offer ODM, popular-brand OEM, or 3D software design services, so customization is available but appears limited in scope.

Product Q&A

Q:What are the differences between EP, HD, HW, and EZ control options?

EP offers continuous stepless flow regulation for precision control. HD is hydraulic remote control for harsh environments. HW is mechanical-hydraulic servo for fast response. EZ is two-stage flow switching for simple, low-cost applications.

Q:What are the rated and peak pressures of the A4VG series?

The rated pressure is 400 bar and peak pressure is 450 bar. The series can withstand short-term surges up to 500 bar, meeting demands for heavy-duty equipment like concrete pump trucks.

Q:What types of equipment can the A4VG series pumps be used in?

They are suitable for construction equipment (pavers, rollers), road construction machinery, industrial hydraulics, and special-purpose vehicles like flatbed trucks and port machinery.

Q:How can I contact customer service for support?

We provide 24-hour technical support including remote guidance for installation, commissioning, and troubleshooting. Free repair or replacement is available for non-human-caused damage within the warranty period.

Q:What are the delivery times for different shipping methods?

Courier (DHL, UPS, etc.) takes 5-7 days. Air freight takes 3-5 days. Sea freight takes 20-30 days. Urgent orders are best served by courier or air.