Hpv091 Pilot Pump For Ex200-2
Hpv091 Pilot Pump for Ex200-2 Hydraulic Gear Charge Pump for Swing Motor
Products Description
EX200-2 HPV091 External Gear Pump
High-Efficiency, Durable, and Versatile Hydraulic Solution for Industrial & Mobile Machinery
[High-resolution product image: Close-up of the pump with key components labeled (gear set, housing, inlet/outlet ports)]
Product Overview
The EX200-2 HPV091 is a premium external gear pump designed to deliver reliable, high-performance hydraulic power across diverse industrial and mobile applications. Built with precision-machined components and optimized for efficiency, this pump excels in transferring hydraulic oil under moderate to high pressure, ensuring consistent flow rates and long-term durability even in harsh operating environments.
Ideal for original equipment manufacturers (OEMs) and system integrators, the HPV091 combines compact design with robust engineering, making it a trusted choice for hydraulic systems requiring stable performance and low maintenance.
Core Technologies & Design Features
1. Precision Gear Meshing Technology
Helical Gear Set: Features precision-ground helical gears with optimized tooth profiles, reducing noise (≤75 dB(A) at rated speed) and minimizing pulsation for smoother hydraulic system operation.
Hardened Steel Components: Gears and shafts are made from high-strength alloy steel (case-hardened to HRC 58+), enhancing wear resistance and extending service life by 30% compared to standard gear pumps.
2. Optimized Flow Path Design
Low-Friction Internal Geometry: Streamlined porting and reduced internal leakage pathways maximize volumetric efficiency (up to 92% at 2000 rpm), ensuring maximum power transfer with minimal energy waste.
Thermal Management: Advanced housing design dissipates heat efficiently, preventing overheating during continuous high-load operation (max operating temp: 120°C).
3. Rugged Housing & Sealing System
Aluminum Alloy Housing: Lightweight yet rigid, the housing provides excellent resistance to corrosion and mechanical stress, while maintaining dimensional stability under pressure (max working pressure: 250 bar).
Dual-Lip Mechanical Seals: Prevents oil leakage and contamination ingress, even in dusty or wet conditions (IP55 protection rating).
Technical Specifications
| Parameter | Value |
| Model Number | EX200-2 HPV091 |
| Displacement (cm³/rev) | 91 |
| Max Working Pressure (bar) | 250 |
| Rated Speed (rpm) | 1500-2500 |
| Max Speed (rpm) | 2800 |
| Volumetric Efficiency (%) | ≥92 (at 2000 rpm, 160 bar) |
| Port Size (ISO 228/1) | 1" (BSPP) Inlet/Outlet |
| Operating Temperature (°C) | -20 to +120 |
| Weight (kg) | 8.2 |
| Material (Gear/Shaft) | 20CrMnTi (case-hardened) |
| Sealing Standard | NBR (optional FKM) |
Applications
The EX200-2 HPV091 is engineered for reliability in demanding hydraulic systems, including:
Mobile Machinery: Excavators, loaders, forklifts, and agricultural equipment (e.g., tractors, sprayers).
Industrial Hydraulics: Press machines, injection molding equipment, and conveyor systems.
Marine & Offshore: Hydraulic power units (HPUs) for winches, cranes, and deck machinery.
Specialized Equipment: Test stands, simulation systems, and renewable energy (e.g., wind turbine pitch control).
Detailed Photos
Company Profile
Ningbo Hyleman Hydraulics Co., Ltd is a scientific and innovative company integrating R & D, production, sales and service of high-quality hydraulic pumps, motors, valves and other hydraulic products.
Hyleman mainly provides Rexroth A4VSO, A10VSO, A4VG, A7VO, A11VO and A2FO series high-pressure piston pumps, Rexroth PGH3, PGH4 and PGH5 series high-pressure gear pumps, A4VM, A6VM, A2FM and A4FM series piston motors; BM3, BM4,BM5, BM6 and other orbit motors. Through the honing and innovation of Hyleman people, Hyleman series products can not only perfectly replace the original products, but also realize the seamless exchange and connection of all the parts. Moreover, it has lower noise, higher volume efficiency and longer service life, so as to completely surpass the quality of the original factory, and withstand the severe test of the market, has been exported to more than 70 countries and regions around the world.
Hyleman series products are widely used in engineering machinery, plastic machinery, metallurgical machinery, environmental sanitation machinery, mining machinery, marine machinery, packaging machinery, port machinery and various hydraulic equipment, which are highly praised by clients.
Hyleman has the world advanced CNC processing equipment, vertical and horizontal machining centers, high-precision double-sided grinding, groove grinding, curve grinding and full-automatic machining centers. With 12 independent testing laboratories, the products have been comprehensively inspected before shipment to ensure that Hyleman series products achieve high precision, high quality and zero defects.
"Optimizing the performance of hydraulic products, improving the quality of hydraulic products and leading the comprehensive upgrading of hydraulic product consumption" is not only the responsibility and mission of Hyleman, but also the Chinese dream of Hyleman. Hyleman are willing to work with people of insight to make unremitting efforts to realize this dream.
Warmly welcome all friends to visit the beautiful port city - Ningbo to discuss cooperation and seek common development with Hyleman!
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our Advantages
Why Choose HYLEMAN?
1. Top Quality
Depend on 15 years experience at hydraulic pumps design, research, development and manufacturing, we have a top quality compared with domestic and overseas manufacturers, all of our products are with 1 year warranty time.
2. Strict Quality Control System
We have the most strict quality control system, all of our products are 100% tested before shipment and each of them has one tracking code in order to make sure they are with good quality to our customers.
3. Advanced machinery equipment
All the machines we have are new CNC machines we imported from Germany and Japan in order to reach more higher demand at the products accuracy.
4. Strong Technical team
Our technical team all have more than 20 years experience at pumps design and engineering, our chief engineer has more than 40 years experience at pumps design. We have one 15 persons research team, responsible for pumps improvement research and new products development.
5. Competitive Price
Because of good management, our price is more competitive than the original products, more reasonable than most of the domestic suppliers.
6. Fast Delivery time
We can ship small orders within one week, for big orders such as within 500 PCS pumps or cartridge kits usually we can make shipment within one month.
7. Warranty Period
All of our products are within 1 year warranty time after the shipment from our factory.
8. Considerate Service
We can provide technical support at any time if our customers meet any issue during the using, we will provide solutions at the soonest time.
9. Long development strategy
We would like to establish a long time strategy cooperation relationship with our customers, to promote HYLEMAN brand together, support and train the potential customer to be our agent at each country and region all over the world.
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