HENGYUHANG hydraulic gear pumps are engineered to perfectly replace SALAMI hydraulic gear pumps, including models 2.5PB38, 2PE4.5S-S55S3-G, as well as the 2PE series, 3PE series, 2.5PB series, and 1.5PB series.
Based on original OEM specifications, HENGYUHANG adopts a one-to-one manufacturing approach to ensure precise matching of mounting dimensions, shaft types, port positions, and hydraulic performance. This allows customers to install the pump directly without modifying existing hydraulic systems.
In addition to standard replacement models, HENGYUHANG provides customized production services, offering flexible solutions for different working conditions and application requirements.
Served Industry
Construction machinery, Sanitation vehicles, Hydraulic systems
Features
High efficiency, long life service
High performance even at low speeds
Multiple oil port and shaft extension options available
Leakage-free shaft seal
Optional reversible pump and motor
HENGYUHANG hydraulic gear pumps are engineered to perfectly replace SALAMI hydraulic gear pumps, including models 2.5PB38, 2PE4.5S-S55S3-G, as well as the 2PE series, 3PE series, 2.5PB series, and 1.5PB series.
Based on original OEM specifications, HENGYUHANG adopts a one-to-one manufacturing approach to ensure precise matching of mounting dimensions, shaft types, port positions, and hydraulic performance. This allows customers to install the pump directly without modifying existing hydraulic systems.
In addition to standard replacement models, HENGYUHANG provides customized production services, offering flexible solutions for different working conditions and application requirements.
Direct replacement for SALAMI hydraulic gear pumps
One-to-one design based on original pump structure
Plug-and-play installation, no modification required
Stable flow and high-pressure performance
High volumetric efficiency and low noise operation
Reliable quality for long-term industrial use
HENGYUHANG supports custom production according to customer requirements, including:
Shaft type and rotation direction
Mounting flange and connection standard
Inlet and outlet port positions
Displacement and pressure requirements
Special working conditions or application demands
Customers can provide original model numbers, drawings, or sample pumps for accurate technical matching.
HENGYUHANG hydraulic gear pumps are widely used in:
Industrial hydraulic power units
Machine tools and metal processing equipment
Injection molding and plastic machinery
Construction and engineering machinery
Material handling and lifting systems
Agricultural and forestry machinery
By choosing HENGYUHANG customized gear pumps as replacements for SALAMI products, customers can significantly reduce procurement costs while maintaining stable and reliable hydraulic system performance. Short lead times and consistent quality make HENGYUHANG an ideal long-term partner for hydraulic system maintenance and upgrades.
Whether replacing SALAMI 2.5PB38 / 2PE4.5S-S55S3-G or other PE and PB series gear pumps, HENGYUHANG provides reliable, customized, one-to-one replacement solutions. Our technical team is ready to support your project with professional model matching and customized production services.



HENGYUHANG Company is a set design, production, sales in one of the hydraulic components production company, the company has advanced hydraulic components manufacturing technology and technology, the use of high-precision equipment CNC machining center, gear hot processing automatic production line, , automatic heat treatment multi-purpose furnace, single-piece flow assembly line, automatic hydraulic pump performance test bench. Intelligent equipment adopts automatic unmanned production, and realizes online measurement to ensure product consistency and reliability, intelligent system uses ERP, MES management software, improve production efficiency, and achieve product traceability.
Hengyuhang Power Technology produces and sells external gear pumps, hydraulic synchronous motors, multi-pump units, gear pumps with built-in valves, and custom valve blocks. Meanwhile, according to the specific needs of customers, we provide a variety of products with special specifications. And it can also be used as a substitute for other products (such as Rexlex, Danfoss, MARZOCCHI, Parker, RONZIO, Atos, Buchet, ECKERLE, CONCENTRIC, HYADC, JIHOSTROJ, Hydraulic, SDH, VIVOLO, ARGO-HYTOS, HESPER, HPLPA, HPI, DUPLOMATIC, ROQUET, BODEN,PERMCOP, Caproni, DUPLOMATIC, HIDRAULICA, SETTIMA, SALAMI, HONOR, SHIMADZU, GRH, Brevini, Galtech, BONDIOLI, REXROTH-SIGMA, BLUEASCEND, RISUNY, SUMITOMO, HYDROMAX, SCENERY, REXPOWER, CML, HOERBIGER, SUNNY, HYTEK, Hydro-pack, )
HENGYUHANG also sells a wide range of other international brands of hydraulic pumps, hydraulic valves, hydraulic motors, hydraulic cylinders, hydraulic oil seals, hydraulic equipment and accessories, and has high-quality overseas ordering channels
HENGYUHANG products are mainly used in the supporting services of industries such as automobiles, construction machinery, agricultural machinery, aerial work platforms, hydraulic systems, logistics handling vehicles, new energy vehicles, metallurgical machinery, petroleum machinery, machine tools, and wind powe
No. 173, Xiacuo, Sihuang Village, Xiamei Town, Nan 'an City, Fujian Province