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Metaris Gear Pump Series Overview

[Gear pump]: Rexroth gear pump | Parker gear pump | Nachi gear pump | Marzocchi gear pump | Sumitomo gear pump | Danfoss gear pump | Salami gear pump | Vivoil gear pump | Casappa gear pump | Caproni gear pump | Bucher gear pump | Hesper gear pump | Hydac gear pump | Roquet gear pump | Bondioli gear pump | Jihostroj gear pump | Duplomatic gear pump | Metaris gear pump | Atos gear pump | Kracht gear pump | Brevini gear pump | Ronzio gear pump | Commercial gear pump

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Description
Metaris is a professional global manufacturer of hydraulic gear pumps and motors, renowned for its high interchangeability, rugged durability and cost-effective performance. Its product lineup mainly consists of external gear pumps, covering light, medium and heavy-duty working conditions. Metaris gear pumps are widely adopted in construction machinery, agricultural equipment, industrial hydraulics, material handling, marine machinery and mobile hydraulic systems, with excellent compatibility with mainstream international hydraulic brands.

I. Classification of Core Metaris Gear Pump Series

1. Heavy-Duty Cast Iron Gear Pumps (High Pressure, Long Service Life)

Series
Features
Displacement Range
Pressure Rating
Typical Applications
MHP Series
Ductile iron housing, bearing/bushing structure, fully interchangeable with Parker commercial pumps
5–201 cm³/rev
Rated 210–248 bar, peak 260 bar
Construction machinery, heavy industrial hydraulic systems
MH51 Series
Bearing-type heavy-duty pump, bi-rotational design, multi-port options
10–110 cm³/rev
Rated 248 bar, peak 270 bar
Mobile machinery, winch systems, flow divider units
MH31 Series
Compact cast iron structure, high power density, stable low-speed performance
6–70 cm³/rev
Rated 210 bar, peak 230 bar
Agricultural machinery, light construction equipment
MHVP Series
Variable displacement gear pump, adjustable flow, energy-saving design
27–40 cm³/rev
Rated 245 bar
Variable hydraulic circuits, automated industrial equipment

2. Light & Medium-Duty Gear Pumps (Modular, Economical)

Series
Features
Displacement Range
Pressure Rating
Typical Applications
MK/ML Series
Bi-rotational, dual-port design, 2/4 bolt combined flange, optional relief valve
16.1–104.4 cm³/rev
Rated 210 bar
Agricultural hydraulics, special vehicles, small engineering machinery
MHR Series
Compact lightweight model, low noise, stable operation
3–50 cm³/rev
Rated 180–210 bar
Lubrication systems, auxiliary hydraulic circuits, light-duty equipment
MHC Series
Modular multi-section pump, flexible flow combination, easy installation
Combined displacement
Rated 200 bar
Multi-actuator hydraulic systems, customized machinery
MHB Series
Economical bushing-type pump, cost-effective, high interchangeability
4–80 cm³/rev
Medium pressure 160–190 bar
General industrial equipment, conventional mobile hydraulics

II. Complete List of 30 Typical Models (Classified by Series)

1. MHP Series

  1. MHP315B293SFAB – Standard heavy-duty cast iron pump, universal industrial application
  2. MHP270A212SFAB – Medium displacement model for construction machinery
  3. MHP330B300PFAB – High-flow version for large hydraulic systems
  4. MHP220A188SFAB – Compact medium-pressure pump for mobile equipment
  5. MHP350B350SFAB – Large displacement heavy-duty pump, peak 260 bar
  6. MHP250A200PFAB – Stable low-speed operation, suitable for variable load conditions
  7. MHP300B280SFAB1566 – Custom port configuration for special hydraulic circuits
  8. MHP210A160SFAB – Small and medium displacement general-purpose pump

2. MH51 Series

  1. MH51-100 – 100 cm³/rev high-performance bearing pump for winch systems
  2. MH51-063 – 63 cm³/rev medium-flow model for mobile machinery
  3. MH51-040 – 40 cm³/rev compact heavy-duty pump
  4. MH51-110 – Maximum displacement model for high-flow demand
  5. MH51-025 – Small precision pump for auxiliary high-pressure circuits
  6. MH51-080 – Universal medium-large displacement industrial pump

3. MH31 Series

  1. MH31-050 – 50 cm³/rev pump for agricultural machinery hydraulic systems
  2. MH31-032 – 32 cm³/rev compact high-stability pump
  3. MH31-016 – 16 cm³/rev small-displacement low-noise model
  4. MH31-070 – 70 cm³/rev high-power version for light construction equipment

4. MK/ML Series

  1. MK20-161 – 16.1 cm³/rev bi-rotational pump with dual-port design
  2. MK20-1044 – 104.4 cm³/rev large-flow special vehicle pump
  3. ML51-040 – Multifunctional pump/motor dual-purpose model
  4. MK20-063 – 63 cm³/rev agricultural machinery dedicated pump
  5. ML51-025 – Compact flexible mounting pump for narrow installation space
  6. MK20-080 – Universal modular pump with optional relief valve

5. MHR/MHC/MHB/MHVP Series

  1. MHR05-030 – 30 cm³/rev low-noise auxiliary circuit pump
  2. MHC20-040/020 – Double combined pump for multi-circuit systems
  3. MHB10-010 – 10 cm³/rev economical bushing-type general pump
  4. MHB20-050 – 50 cm³/rev medium-pressure cost-effective pump
  5. MHVP270 – 27 cm³/rev variable displacement energy-saving pump
  6. MHVP400 – 40 cm³/rev high-flow variable hydraulic pump

III. Model Naming Convention (Taking MHP Series as an Example)

MHP315B293SFABMHP (Heavy-duty Cast Iron Gear Pump Series) + 315 (Frame Size) + B (Structure Type) + 293 (Displacement Code) + S/FAB (Rotation Direction, Sealing & Port Configuration Code)
MH51-063MH51 (Bearing-type Heavy Series) + 063 (Actual Displacement: 63 cm³/rev)
MK20-161MK (Special Bi-rotational Series) + 20 (Mounting Specification) + 161 (Displacement Code)

IV. Selection Guidelines

  1. Pressure Matching: MHP/MH51 series for high-pressure working conditions (210–248 bar); MH31/MK/ML series for medium-pressure scenarios (180–210 bar); MHB series for conventional medium-low pressure systems.
  2. Working Condition Adaptation: Bearing-type MH51 series is suitable for long-term continuous heavy-load operation; bushing-type MHB series is preferred for general intermittent working conditions to control cost.
  3. Functional Requirements: MHVP variable displacement series is applicable for energy-saving and flow-adjustable hydraulic systems; MK/ML bi-rotational models suit bidirectional rotation and pump/motor dual-purpose scenarios.
  4. Combination Demand: MHC modular multi-section pumps support customized tandem/multi-pump combinations to meet multi-circuit synchronous hydraulic supply.
  5. Interchangeability: Metaris gear pumps feature full interchangeability with Parker, Permco and other mainstream brands, convenient for equipment replacement and maintenance.
All the above models are mainstream genuine products of Metaris Hydraulics. Please refer to the latest official technical catalog for detailed dimensional parameters, speed limits and sealing configuration specifications.

 

Shipping & Delivery

Process steps:
Customer inquiry: Customers will make inquiries before placing an order to understand product details and communication needs.
Quotation: According to customer needs, provide a formal quotation, including the name, model, quantity, delivery time, payment method, etc. of the goods.
Order confirmation: After the customer confirms the quotation, a formal purchase order will be placed.
Confirm the delivery time: communicate the delivery time with the production department, inform the factory of the order details, and arrange the production plan.
Sign an export contract: After the two parties confirm that it is correct, sign an export contract to establish a trade relationship.
Implement the letter of credit (if applicable): If the payment method of the letter of credit is used, the customer needs to be urged to issue the certificate and review the contents of the letter of credit.
Export stocking: According to the requirements of the contract and the letter of credit, arrange production, purchase raw materials and packaging, and prepare the goods.
Chartering and booking: Contact the freight forwarder to make a booking and arrange the transportation of goods.
Export inspection: Apply to the quality inspection department for export commodity inspection and provide relevant documents.
Apply for a write-off slip: apply for a write-off slip from the foreign exchange management department for subsequent foreign exchange write-off.
Export declaration: Declare exports to the customs and provide documents such as power of attorney for customs declaration, customs declaration form for export goods, commercial invoice, packing list, etc.