How to adjust the pressure if the relief valve is stuck or faulty?

Clean the relief valve, replace the spring or sealing ring if damaged, and adjust pressure to the specified value (max 16 MPa).

What is the recommended service work for these steering units?

Recommended services include changing shaft seals and O-rings, cleaning and assembling if contaminated, and hydraulic testing.

Hydraulic Steering Unit Ospc, Ospb, 101s, 102s, 109s

Name: Hydraulic Steering Unit Ospc, Ospb, 101s, 102s, 109s
Brand: Shijiazhuang Hanjiu Technology Co., Ltd.
SKU: 1906437061

Hebei, ChinaShijiazhuang Hanjiu Technology Co., Ltd.

US$50.00

50-99 Pieces

US$45.00

100+ Pieces

Product profile

Customization

Available

Type

Hydraulic

Usage

Harvester, Tractor, Forklift, Boat

Model NO.

101S, 102S, 109S, OSPC, OSPB

Transport Package

Carton Packing

Specification

101S, 102S, 109S, OSPC, OSPB,

Trademark

Hanjiu

Origin

China

HS Code

84818029

Production Capacity

500000 Per Year

Key features

Wide Application Compatibility: Designed for use in harvesters, tractors, forklifts, and boats.

Multiple Model Options: Available in OSPC, OSPB, 101S, 102S, and 109S models.

Hydraulic Power Type: Operates as a hydraulic steering unit for reliable performance.

Comprehensive Troubleshooting: Detailed guide for common issues like oil leakage and heavy steering.

Expert Technical Support: Contact Hanjiu Technology for professional hydraulic steering assistance.

Company profile

Shijiazhuang Hanjiu Technology Co., Ltd.

Hebei, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤10.72h

AI-Powered supplier vetting

SummaryShijiazhuang Hanjiu Technology Co., Ltd. is identified as both a trading company and manufacturer/factory in Hebei, China, supplying hydraulic pumps, motors, steering units, valves, cylinders, and related parts. Evidence indicates three production lines, annual production exceeding 500,000 pieces for certain products, an ISO 9001 certification, and 6–10 R&D engineers and quality-control staff. The supplier describes quality-control procedures covering design through after-sales and reports nearly 20 years of hydraulic-business experience, although the company profile also states operations began in 2010. Product application coverage is broad, but evidence for customization, formal after-sales performance, financial credibility, and customer cases is limited. Financial information is excluded.

Supplier typeThe supplier is explicitly classified as a trading company and manufacturer/factory. Its profile describes Hanjiu Technology as a professional hydraulic-products manufacturer, while another provided profile identifies Elephant Fluid Power as engaged in hydraulic pumps, motors, valves, and spare parts.

CertificationsThe supplier reports holding ISO 9001 certification and describes quality objectives including quality first, continuous improvement, zero defects, and zero complaints. This is explicit evidence of a formal quality-management certification.

R&D capabilityThe supplier reports 6–10 years of total R&D-engineer experience and states that it pursues continuous improvement and innovation. It also reports developing and producing hydraulic orbital motors and steering units, but no patents, dedicated R&D facilities, or new-product results are provided.

Production capacityThe supplier reports three production lines and annual production exceeding 500,000 pieces for hydraulic orbital motors and steering units. Its stated product range includes motors, steering units, and cylinders with defined displacement, bore, length, and pressure ranges, supporting substantial manufacturing capability.