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FP12 Concentric Gear Pump

The Concentric FP12 is a heavy-duty cast iron external gear pump with compact Group 2.5 design.It delivers high pressure up to 276 bar and wide displacement range from 16 to 41 cm³/rev, featuring low noise and high efficiency.Widely applied in construction, agriculture and material handling hydraulic systems.

Model:
FP12
Brand:
Green Hydraulic
Model Number:
FP12
Packaging Details:
Standard export carton/plywood case
Testing Before Shipment:
Yes
Cartification:
ISO9001，CE
Markets:
• Industrial • Energy • Government (Non Aerospace) • HVAC • Mobile • Natural Resources • Transportation (Non Aerospace)
Application:
1. Industrial Hydraulic Systems 2. Mobile Equipment (Industrial Vehicles) 3. Construction and Engineering Machinery 4. Metallurgy Industry
Shaft Type:
Key Shaft and Spline shaft
MOQ:
1 set


Availability:



Inquiry

Product Description

FP12 Gear Pump Overview

The Concentric FP12 (FERRA F12) is a high-performance, fixed-displacement external gear pump engineered for compact hydraulic systems that demand maximum durability and reliable high-pressure output. Featuring a rugged two-piece cast iron construction, the FP12 is specifically designed to deliver high power-to-weight ratio, making it an ideal choice for direct mounting to mobile equipment in applications where space is at a premium and performance is non-negotiable.

FP12

Features and Benefits

Rugged Two-Piece Cast Iron Construction

The FP12 is built with high-tensile, heavy-duty cast iron bodies and covers, providing superior structural rigidity compared to aluminum alternatives. This robust construction minimizes internal deflection and mechanical fatigue under high-pressure duty cycles, ensuring stable performance and extended service life in grueling work environments.
High-Performance Pressure-Balanced Gear Design

Utilizing advanced, noise-optimized gear geometry and precision-machined components, the FP12 offers increased efficiency and reduced noise levels across its operating range. This design is inherently more tolerant of fluid contamination and thermal shock, maintaining high volumetric efficiency while protecting the pump from premature wear during intensive use.
Advanced Pressure-Compensated End Cover Technology

Equipped with sophisticated pressure-balanced end cover technology, the FP12 features pressure-optimized sealing that automatically minimizes internal fluid bypass and friction, ensuring exceptional mechanical efficiency and consistent power delivery across all operating temperatures.
Superior High-Pressure Capability

Despite its compact footprint, the FP12 is engineered to handle continuous operating pressures of up to 276 bar (4,000 psi). Its high-strength alloy steel gears and precision-machined components allow it to power high-force actuators and complex hydraulic circuits with smooth, reliable flow.
Modular Versatility and Installation Flexibility

The FP12 series offers a versatile range of displacements (from 16 to 41 cm³/rev) and supports standard SAE "A" and "B" mounting options. With a flexible porting design and multiple shaft configurations, it provides unmatched installation flexibility for cramped chassis environments and specialized mobile applications.

Specifications

Model Codes

Technical Data

Parameter	Value
Displacement Range	16 – 41 cm³/rev (0.98 – 2.50 in⊃3;/rev)
Continuous Pressure	Up to 276 bar (4,000 psi) for displacements ≤ 30 cm³/rev; 250 bar (3,625 psi) for >30 cm³/rev
Intermittent/Peak Pressure	Up to 300 bar (4,350 psi)
Operating Speed Range	500 – 3,000 RPM
Maximum Flow	Calculated as: Flow (L/min) = Displacement (cm³/rev) × RPM ÷ 1000 × Volumetric Efficiency
Volumetric Efficiency	>90% at rated pressure and speed

FP12 Hydraulic Gear Pump Installation Dimensions：

Applications

Applications

The Concentric FP12 (FERRA F12) series provides a rugged, high-pressure power solution specifically tailored for mobile and truck-mounted applications where space is at a premium and exceptional mechanical strength is required:

Construction & Mobile Machinery: A primary choice for compact excavators, skid-steer loaders, and aerial work platforms, where the high power-to-weight ratio and low-noise design integrate seamlessly into tight chassis layouts.
Agricultural Equipment: Optimized for tractors, harvesters, and implement steering systems, withstanding variable load shocks, fluid contamination, and wide temperature swings common in outdoor field environments.
Commercial Refuse & Recycling: Widely used in small-frame garbage collectors and bin lifters that require high-cycle, high-pressure stability to manage rapid compaction and unloading operations reliably.
Utility & Service Vehicles: Ideal for truck-mounted cranes, aerial lifts, and bucket trucks, offering a compact footprint that pairs easily with PTO units to deliver consistent lifting and positioning power.
Material Handling Systems: Perfect for forklifts, pallet jacks, and hydraulic ramp systems, maintaining high volumetric efficiency under heavy loads and frequent start-stop cycles.
Fan Drive & Cooling Systems: Frequently employed in engine cooling fan drives for heavy-duty trucks and off-highway equipment, where smooth, variable-speed performance and thermal stability are critical.

Vane Pump Application

Factory&FAQ

Packaging & Delivery

FP12 pumps are typically packaged securely to prevent damage during transit. The packaging includes:

Protective Wrapping: To safeguard the pump from environmental damage.

Custom Crates: For larger, heavier pumps, ensuring safe handling.

Documentation: Includes installation, maintenance instructions, and warranty details.

Delivery time depends on the model, customizations, and location but typically ranges from 2 to 6 weeks from the order date.

FP12 Gear Pump FAQ:

1. What are FP12 series gear pumps?

The FP12 (FERRA F12) is a high-performance, fixed-displacement external gear pump and part of Concentric’s heavy-duty hydraulic product line. Featuring a rugged two-piece cast iron construction, it is specifically engineered for compact hydraulic systems that demand high structural rigidity and reliable power output, ideal for direct mounting in mobile equipment and truck PTO applications.

2. What makes the FP12 different from standard aluminum gear pumps?

The FP12 is built for durability in demanding mobile environments where aluminum pumps may fail:

Rugged Cast Iron Housing: Unlike aluminum pumps that can suffer from deflection at high pressures, the FP12’s cast iron frame maintains tight internal clearances, reducing wear and extending service life under high-pressure duty cycles.
Pressure-Balanced Gear & End Cover Design: It uses advanced pressure compensation technology to minimize internal bypass and friction, offering greater efficiency and thermal stability than typical aluminum-body pumps.
Modular Versatility: With multiple shaft, port, and mounting configurations (including SAE A/B flanges), the FP12 provides unmatched installation flexibility compared to standard fixed-port aluminum designs.

3. What is the working pressure range of FP12 pumps?

The FP12 is a compact high-pressure specialist. Depending on the specific displacement, the series typically handles:

Continuous Pressure: Up to 4,000 PSI (276 bar).
Intermittent/Peak Pressure: Up to 4,350 PSI (300 bar).

This robust pressure rating makes the FP12 ideal for powering high-force actuators and complex hydraulic circuits on construction, agricultural, and utility vehicles.

4. Can FP12 pumps replace other brands?

Yes, the FP12 is a high-quality alternative to other premium compact cast iron pumps. It is often used as a replacement or upgrade for:

Parker/Commercial P315 / PGP300 Series
Metaris MH315 / MH325 Series
Permco P1900 / P2100 Series

To ensure a successful swap, verify the Mounting Flange (SAE A or B), Shaft Type (splined or keyed), and Displacement (cm³/rev) to match your existing system.

5. What hydraulic oil is suitable for FP12 gear pumps？

To protect the precision-machined gears and pressure-balanced components, the following is recommended:

Oil Type: Premium mineral-based hydraulic fluids with strong Anti-Wear (AW) additive packages.
Viscosity: Standard ISO VG32 to VG68. The optimal operating range is 100 to 150 SUS (20 to 30 cSt), though it can handle cold starts up to 2,000 SUS (430 cSt).
Filtration: Cleanliness is vital for gear and bushing protection. A minimum filtration of ISO 4406 18/16/13 is recommended to prevent abrasive particles from damaging critical surfaces.

6. What is the typical speed range of FP12 pumps?

The FP12 series operates within a speed range of 500 to 3,000 RPM, depending on the displacement and application. The recommended speed range ensures optimal efficiency, low noise, and long service life across various operating conditions.

7. Do you provide OEM or customized services?

Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.

8. How can I get a quotation quickly

Please provide the following details:

Model or displacement
Working pressure
Speed
Quantity
We will reply within 12 hours with a competitive quotation.

Certifications & Quality Assurance

FP12 pumps are manufactured in compliance with international standards, ensuring high performance and reliability:

ISO 9001: Certified for quality management systems.

CE Certification: Ensures compliance with European safety, health, and environmental protection standards.

RoHS Compliance: Ensures the pump does not contain hazardous materials.

Factory Testing: Every pump is rigorously tested for performance, pressure, and leak integrity before shipping.

FAQ

1.What's our advantages?

Factory established in 2005;

With a great deal of production experience;

80+ employees become the professional team;

Constant updated ERP system ensure efficiency of work;

Sophisticated equipment ehanced the accuracy of products;

Professional salesmen provide the greast service;

With a large number of famous customers all over the world;

Great after-sales service;

With the long term cooperation with famous logistics and express company in China,provide the better goods service.

2.What is your payment terms?

Small order/sample order,full payment in advance; Big orders send the first payment 30% before the production,and the balance before shippment.We'll show the photos of the products and packages before delivery.

3.Can you make my own brand on the products?

Of course we can. Just send me your logo we can make it for you.

4.What is our main export market?

America(40.5%):USA, Canada, Argentina, Brazil

Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland.

Asia(23.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon.

Others(5.8%).

Unedited footage of the Green Hydraulic Factory

The Green hydraulic pump manufacturing facility is a specialized industrial plant that focuses on producing hydraulic pumps and related components. These factories are equipped with advanced machinery and technology to fabricate high-quality pumps designed for a wide range of applications, from heavy equipment and machinery to automotive and industrial systems.

The production process typically involves precision engineering, where raw materials like metals and alloys are processed into pump components such as gears, pistons, cylinders, and seals. These parts are then assembled into fully functional hydraulic pumps, which are tested for performance and quality control to ensure reliability, efficiency, and durability under various working conditions.

Green Hydraulic's manufacturing facilities for hydraulic pumps maintain stringent quality standards, often adhering to international certifications, to meet the expectations of customers in industries such as construction, agriculture, automotive, and manufacturing.

Unedited footage of the Green Hydraulic Factory3

All hydraulic pumps produced by Green Hydraulic have undergone compliance testing, ensuring their quality and reliability.

Unedited footage of the Green Hydraulic Factory4

To meet the diverse needs of different industries, the green hydraulic offer customization options, such as specialized seals, materials, and pump configurations. These facilities often work closely with engineering teams to develop tailored solutions for specific applications, from high-pressure systems to low-flow, high-efficiency pumps.

Unedited footage of the Green Hydraulic Factory5

Each pump undergoes a rigorous quality control process, where pressure tests and performance assessments are conducted to ensure that the pumps meet the required standards for flow rate, pressure capacity, and durability.