METARIS Gear Pump Product Catalog
General Information
METARIS Inc. is a well-known North American manufacturer of hydraulic components, founded in 1952, with its headquarters in Toronto (Canada) and a factory in Forrest (Mississippi, USA). The company specializes in the production of gear pumps, motors, vane and piston pumps, as well as accessories, and is a recognized supplier in the North American hydraulic industry. A special distinctive feature of METARIS is the production of OEM alternative products, which are fully interchangeable with products of leading brands (e.g., Parker-Commerical, Rexroth) in terms of quality and dimensions. METARIS products are widely used in various industries around the world, thanks to their high reliability, durability and adaptability to harsh operating conditions. The company is also renowned for its abundant product inventory, fast delivery, as well as the presence of branches and distributors in many countries, including China.
Main Series of Gear Pumps
1. MH Series (Gerotor Gear Pumps)
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Structure: Cast iron housing, robust gears, reinforced sealing, structure adapted to variable loads and harsh operating conditions
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Performance: 10.2–201 cm³/rev
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Maximum Pressure: up to 241–315 bar (depending on sub-series)
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Features: Fully interchangeable with Parker P30/P31, P50/P51, P75/P76 series, high strength, resistance to long-term overload, low noise
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Application: Construction and mining machinery, oil industry, heavy hydraulic systems, metallurgical equipment[3][6]
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Typical Models: MH20, MH30/31, MH25/50/51, MH37, MH75/76, MH101/MH102
2. MHP Series (High-Pressure Gear Pumps)
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Structure: Reinforced cast iron housing, high-strength components, optimized gear geometry to reduce energy loss
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Performance: 19 to 197 cm³/rev depending on the model (parameters for model MHP350A197FRAB2243)
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Maximum Pressure: up to 315 bar (31.5 MPa)
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Features: High load-bearing capacity, long service life, adapted to high-pressure and high-temperature environments, compact structure
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Application: Excavators, loaders, lifting equipment, marine steering systems, metallurgical equipment, high-pressure systems
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Typical Models: MHP315, MHP330, MHP350, MHP365
3. Series 300 (Bearing Gear Pumps)
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Structure: Bearing design, cast iron or aluminum alloy housing, special seals to improve tightness, modular structure
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Performance: 10.2–201 cm³/rev (depending on the model)
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Maximum Pressure: up to 245 bar
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Features: Easy installation and maintenance, fully interchangeable with Parker PGP315, PGP330, PGP350, PGP365 series, high reliability under medium and high loads
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Application: Construction machinery, agricultural machinery, industrial hydraulic systems, oil industry equipment
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Typical Models: 315, 330, 350, 365
4. MHVP Series (Special Gear Pumps)
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Structure: Optimized structure for specific operating conditions, corrosion-resistant materials, improved sealing for use with aggressive media
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Performance: 27 to 40 cm³/rev depending on the model
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Maximum Pressure: up to 280 bar
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Features: Specifically designed for high precision and reliability requirements, adapted to extreme conditions, can be used in high noise-sensitive systems
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Application: Wind turbine blade rotation systems, high-precision hydraulic transmissions, oil and gas equipment, chemical industry
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Typical Models: MHVP27, MHVP31, MHVP35, MHVP40
Series Technical Specifications
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Series
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Displacement (cm³/rev)
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Maximum Pressure (bar)
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Housing Material
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Key Features
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MH
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10.2–201
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241–315
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Cast Iron
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Interchangeable with Parker series
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MHP
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19–197
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315
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Reinforced Cast Iron
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High pressure, high strength
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300
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10.2–201
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245
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Cast Iron/Aluminum Alloy
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Bearing design, interchangeable
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MHVP
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27–40
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280
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Corrosion-Resistant Materials
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Special solutions, high precision
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Advantages of METARIS Pumps
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Interchangeability: Products are fully interchangeable with OEM products of brands such as Parker and Rexroth, facilitating replacement and maintenance.
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High Reliability: Robust structure, use of high-quality materials, strict quality control, ensuring stable operation under harsh operating conditions (variable loads, high pressure).
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Durability: Wear-resistant, corrosion-resistant, resistant to extreme temperatures, long service life under long-term overload.
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Flexibility: A complete range of series and models, optional standard products or OEM alternatives, adapted to different industries and operating conditions.
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Cost-Effectiveness: More advantageous price compared to original OEM products, low maintenance costs, sufficient spare parts inventory and fast delivery.
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Global Availability: Branches and distributors in more than 50 countries around the world, including Europe, Asia and North America, providing fast support and delivery.
Application Areas
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Construction machinery (excavators, loaders, lifting equipment, road construction machinery)
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Mining and oil and gas equipment (oil transportation, ore mining, pipelines)
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Industrial equipment (presses, metallurgical equipment, machine tools, hydraulic systems)
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Agricultural machinery (tractors, combines, irrigation systems)
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Marine machinery (steering systems, windlasses)
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Chemical and food industry (transportation of aggressive media, high-precision hydraulic systems)
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Energy industry (wind turbine blade rotation systems)
Contact Information
METARIS Inc.
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Headquarters Address: Toronto, Ontario, Canada; Factory: Forrest, Mississippi, USA
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China Branch: METARIS (Shanghai) International Trading Co., Ltd., Shanghai, China
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China Telephone: +86 13728707767
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Email: info@metaris.com (general address); For China: Contact through distributors
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Website: www.klhyd.com
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Global distributor network covers Europe, Asia and North America, providing fast delivery and technical services.
