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Piston pumps are precise and – compared to diaphragm dosing pumps – almost pressure-independent metering units. The flow rate changes in proportion to the stroke length and can thus be adjusted to very small values. Fields of application are – among others – process engineering and chemical processes, i.e.: wherever the medium must be metered precisely.
The FEDOS E / DX piston dosing pumps from Lutz-Jesco are available at flow rates between 0.17 and 31.5 l/h, with or without microprocessor control. Depending on the size of the pump, maximum pressures between 30 and 200 bar are admissible.
If no control is required for constant metering, the motor is connected directly to the terminal box. In this case, FEDOS E pumps are used. To change the flow rate, either the stroke length can be adjusted mechanically, or the speed of the motor is controlled by means of a separate frequency converter.
FEDOS DX pumps are used if an integration in controls or automatic control systems is requested.
FEDOS DX pumps allow the adaption to a large number of different control systems and system monitoring equipment. The signals required for the external avtivation of the pump can be simple voltage-free closing contacts from water meters or controllers or analog 0(4)...20 mA signals.
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GENERAL SPECIFICATIONS
/- 1% Steady State Accuracy over a 10:1 Turndown (w/constant speed drive)
Continuous Duty / Severe Service Design
Polar Crank Drive Design
Rugged Cast Iron Gear Housing
Modular Design
Multiplex Capability
Variable Stroke Length (non-last motion)
Integral Pressure Lubrication System
Double Ball Check Valves
Pressures up to 10,000 psig (690 bar g)
Flows up to 1,225 gph (4,637 lph)
Meets API Standard 675
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For the dosing of liquid chemicals, Alltech Dosieranlagen GmbH has developed the piston diaphragm metering pumps of the FKM series.
These metering pumps meet the highest requirements in operational reliability and accuracy.
Alltech piston diaphragm metering pumps are built in a modular concept. This guarantees high flexibility in combining the pump elements for various areas of applications.
By using different materials and designs for the liquid end, Alltech metering pumps may be used for the dosing of almost all kinds of chemicals.
To find an optimal solution for your dosing tasks, we offer various dosing capacities and pressure ranges.
The integrated pressure relief valve guarantees maximum security.
A wide range of accessories (stroke actuators, pulsation dampers e.g.) completes the range of our production.
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The MultiFertic® injection pump are heavy duty, high precision pumps for chemicals products and additives, made up of one driving module and 1 to 4 injection modules for 25 to 500 l/h. - 7.5 to 150 GPH
In the same injector can be connected several injection modules to apportion different products (INDEPENDENT INJECTION) or to increase the injection flow. By increasing the number of modules in the same injector, a higher flow regularity is obtained, whereby in the 4 modules model an actually continuous flow is obtained.
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| For corrosive and abrasive media, which have to be dosed against higher pressures than 16 bar piston pumps can be fitted with a piston-diaphragm system. The KMS system combines the advantages of leakage-free diaphragm dosing pumps and precise piston dosing pumps and thus ensures reliable dosing. |
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The InLine variable displacement pump type V30D and V30E work according to the swash plate principle and are intended for open circuit operation in industrial and mobile hydraulics. There is also an option for a thru-shaft for flange mounting additional variable and fixed displacement pumps. Type V30E is intended as successor of V30D, where the completely new development allowed to realize state of the art pump design. This concerns primarily the optimization of self-suction speed rating, minimized noise level, weight, and pulsation as well as increased service life.
These pumps are suited for a wide range of applications due to their low running noise and various pump controllers.
Hydraulic circuits where several outlet flows are required can be fed either by one individual pump or a multiple pump. Main benefit of these pumps are the sturdy design, the good performance/weight ratio, long service life
due to oversized bearings, and the swash plate angle indicator.
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The T1-51, -81, -121 fixed displacement pump has been specifically developed to meet the requirements of light duty truck applications with short, non-frequently operating cycles such as tippers and small loaders.
Input power up to 71 kW
Shaft speed up to 2300 rpm
Operating pressure up to 350 bar
High overall efficiency
Low weight
Small intalled envelope
Proven reliability
Easy servicing |
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Adopting a process of continual product development has resulted in todays K3V series of axial piston pumps.
Features such as high efficiency , high power density, large self priming capability, long life, low noise and a wide range of control options has shown the K3VG to be a market leader.
The K3VG unit has been developed specifically for the industrial market where noise, efficiency, controllability, extended pump life and reliability are considered essential.
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The present K3V is designed specifically for the earth moving and construction industries where in excess of 700,000 units have been supplied.
Features such as high efficiency , high power density, large self priming capability, long life, low noise and a wide range of control options has enabled the K3V to be a clear market leader.
Adopting a process of continual product development has resulted in todays K3V series of axial piston pumps.
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The latest design in the proven K3V series, the medium pressure, K3VL pump has been developed for the mobile and industrial market where noise, efficiency, controllability, extended pump life and reliability are all considered essential.
Pioneering noise reduction technology along with features such as high efficiency, compact design, high power density, large self priming capability, long life, and a wide range of control options give rise to exceptional overall specification and performance.
Available in SAE and ISO mounting options, this low noise, medium pressure, variable displacement, open circuit pump provides the opportunity to share in the future of hydraulic pump technology.
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Dual-flow pumps for truck hydraulics
The Compact Line is suited for demanding applications with its high torque, high pressure, high efficiency, low noise level
and very small dimensions |
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Variable-displacement axial piston pumps for closed circuits
Variable displacement axial piston pumps for open circuits
Fixed displacement axial piston motors
Variable displacement axial piston motors
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| Complete range of variable displacement axial piston pumps, with swashplate system, for closed loop transmissions. All pumps meet the need for continuously changing speeds, optimise the use of power and torque based on operating requirements, with hydraulic, mechanical, electric and electronic servo controls. |
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Fixed displacement bent axis piston pumps.
STRADA pumps are ideally suited for PTOs applications in vehicles.
Displacements from 2.49 in³/rev (40,9 cm³/rev) to 6.71 in³/rev (110 cm³/rev) available in groups 32 and 37.
Max. peak pressure up to 5800 psi (400 bar)
Max. speed up to 2950 min-1 |
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Our piston pumps is delivers high efficiency and low mantenance under the toughest operating conditions.
* Reliable fast response mechanism
* Special shaped fluid port reduces nosie
* High strength cast iron housing
* Designed to handle a various application.
For more model, specs. dimensions, please viist our
web site:www.kcl.com.tw |
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Variable displacement axial piston pumps swash plate design.
PLATA pumps are ideally suited for medium and high pressure open circuit applications
Displacements from 1.74 in³/rev (28,49 cm³/rev) to 5.37 in³/rev (87,9 cm³/rev)
Max. peak pressure up to 5075 psi (350 bar)
Max. speed up to 3000 min-1 |
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Axial piston units are available in the form of pumps and motors in bent axis design or swashplate design for medium- and high-pressure ranges. They are the main components in the hydrostatic transmission. Compact size and high power density, economy and reliability are characteristic advantages which speak for the use of hydrostatic transmissions, together with the fact that they meet the demand for high speed and high torque, as well as optimum efficiency.
Characteristics:
- Open and/or closed circuit
- Displacement 5 to 1000 cm3
- Nominal pressure up to 450 bar
- Maximum speed up to 11,000 rpm
- Maximum power output 933 kW
Our versatile transmissions for mobile applications can be combined in a variety of ways with pumps, motors and open or closed loop control devices to offer the optimum design for every drive application and every power range.
Key advantages:
- Infinitely variable speed setting at fixed or variable input speed
- Immediate, jolt-free change in direction of rotation
- Simple, ergonomic operation
- High turnaround
- Automatic torque conversion
Axial piston pumps and motors are used for the travel drive and working hydraulics in a wide variety of mobile machines.
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Axial piston units are available in the form of pumps and motors in bent axis design or swashplate design for medium- and high-pressure ranges. They are the main components in the hydrostatic transmission. Compact size and high power density, economy and reliability are characteristic advantages which speak for the use of hydrostatic transmissions, together with the fact that they meet the demand for high speed and high torque, as well as optimum efficiency.
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Type PR4-Mini:
- Sizes 0.4 to 2.0
- Radial piston pump with 3 pistons
- Very compact build, hence installation-friendly dimensions
- 5 sizes
Type PR4:
- Sizes 1.6 to 20.0
- Radial piston pump with 3, 5 or 10 pistons
- Self-aspirating, valve-controlled
- Long bearing life due to hydro-dynamically lubricated plain bearings
- Several pressure ports with various cylinder combinations possible
- Optional combination with fixed and variable displacement vane and axial piston pumps
-14 sizes, favourable gradation for optimum matching to the application at hand
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