External gear pumps deliver outstanding cost performance for manufacturing, construction and mobile hydraulics. Global buyers and service technicians often struggle to source durable, certified pumps compatible with rival brands. This guide fully covers SDH-HP (Shanghai Dazhong Hydraulic) gear pumps, including product ranges, core tech, production standards, global certifications and real-world cases, supporting distributors, OEMs and aftersales teams with reliable component sourcing & cross-brand replacement.

1. About SDH-HP: Reliable Chinese Hydraulic Gear Pump Manufacturer​

Founded in 1999, Shanghai Dazhong Hydraulic System Co., Ltd (SDH-HP) is a professional manufacturer focusing on medium & high-pressure hydraulic gear pumps, integrating R&D, production, global sales and technical after-sales service. Located in Jiading District, Shanghai, SDH-HP inherits German precision hydraulic manufacturing standards, and optimizes product structure adapting to global harsh working conditions.​

We own a 66,000 ㎡ modern manufacturing base, equipped with 250+ precision processing devices, including 80 five-axis CNC machines to guarantee micron-level machining accuracy. All finished products pass ISO9001 quality certification and CE certification, fully complying with EU industrial safety standards. With an annual output of 300,000 sets, SDH-HP pumps are exported to Southeast Asia, Middle East, Europe and other overseas regions, serving more than 1,000 machinery manufacturers worldwide.​

Different from OEM-only hydraulic factories, SDH-HP independently produces all core parts including gear, pump housing, shaft seal and shaft sleeve. Full self-production avoids unstable quality from outsourced parts. Meanwhile, we build global spare parts warehouses and overseas technical support channels, solving the long lead time and high after-sales cost of European and American hydraulic brands.​

2. SDH-HP Full Gear Pump Lineup: All-scenario Compatibility & Cross-brand Replacement​

Based on 27 years of global working condition data, SDH-HP launches four major product lines, covering displacement from 0.16mL/r to 100mL/r, rated pressure 16~25MPa. All installation dimensions, spline specifications and port sizes are fully compatible with mainstream European and Asian gear pump brands. Direct replacement without pipeline modification is our biggest advantage for overseas clients.​

2.1 Ultra-precision CBD-F1/F2 Series: Micro-flow Hydraulic Pump​

CBD-F1 and CBD-F2 are ultra-small gear pumps designed for precision hydraulic scenarios, equivalent to Italy VIVOIL micro pumps. This series solves pressure fluctuation and jitter problems of low-cost micro hydraulic components, suitable for high-precision automation industries.​

•Core Parameter: CBD-F1 displacement 0.16~2.0mL/r, rated pressure 19MPa, max speed 4000rpm; CBD-F2 displacement 2~8mL/r, rated pressure 18MPa​

•Structural Advantage: Integral die-cast aluminum housing, 30% smaller volume than ordinary micro pumps; bidirectional rotation design, no extra directional valve required​

•Global Application: Precision clamping tools, miniature hydraulic power units, medical hydraulic modules, servo auxiliary hydraulic circuits​

•Product Highlights: Low pressure pulsation (≤6%), stable low-speed operation, cold-start adaptability, suitable for dust-free precision workshops​

2.2 CBTs/CBTT-F3 Series: Bestseller for Global Cross-brand Replacement​

As SDH-HP’s star-selling model, F3 series takes 60% of our overseas export volume. It contains two versions for differentiated demands, and can directly replace Taiwan HONOR, European standard gear pumps without mechanical modification.​

•CBTs-F3 Economy Version: Rated pressure 16~20MPa, displacement 4~25mL/r. Simple structure, low maintenance cost, widely used in standard hydraulic stations, agricultural machinery, sanitation trucks and conveying equipment​

•CBTT-F3 High-pressure Version: Peak pressure up to 25MPa, reinforced shaft and end cover. Optimized anti-shock gear profile, specially matched for forklifts, aerial work platforms and mobile construction machinery​

•Universal Design: Reserved cartridge valve interface, can integrate relief valve and check valve to simplify external hydraulic pipelines; standard SAE oil port and spline specifications​

2.3 Heavy-duty CBT-F5 Series: High-temperature Resistant for Severe Working Conditions​

Customized for heavy-load industries with high temperature, heavy dust and non-stop operation, CBT-F5 avoids common failures including pump cracking, shaft locking and pressure loss of ordinary gear pumps.​

•Core Parameter: Displacement 32~100mL/r, rated pressure 16MPa, wide speed range 600~3000rpm, stable torque output under low speed​