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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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| FMI pumps are modular in design.The Pump Head Modules can be easily removed for cleaning or replaced with a spare pump head for use with different fluids. Some customers have separate pump heads for use with each fluid handled or flow rate desired. |
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The new K-Tron Bulk Solids Pump (BSP) feeders have been specifically designed and engineered to provide gentle, precise feeding of free-flowing pellets, granules, flakes, powders and friable products.
The BSP feeders do not use the usual screws/augers, belts or vibratory trays to convey the material. The feeder utilizes positive displacement action to feed free flowing materials with astounding accuracy, offering uniform discharge, consistent volume and gentle handling.
The BSP feeders have vertical rotating discs that create a product lock-up zone, conveying the material smoothly from storage hopper to discharge outlet, achieving true linear mass flow.
Utilizing a simple design and the principle known as "lock up" (see demonstration), the material in the feeder is moved together in true positive displacement, producing excellent linearity and breakthrough accuracy levels.
With no pockets or screws and only one moving part, the compact feeder is cleaned in seconds, making it ideal for applications with frequent material changes.
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Characteristics
Horizontal or Vertical.
Single Stage.
Enclosed Impeller.
Applications
Water.
Waste Water.
River Water.
Rain Water. |
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The DOPAG ELDO-MIX range of gear pump driven metering and mixing systems are built in modular form and are custom designed.
Depending on the specific application, various basic configurations are available. |
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The VARIO-MIX range of systems are solvent free, compact, pneumatic or hydraulically driven piston pump metering and mixing systems.
They are used to either continuously apply or meter shots of low to high viscosity multiple component materials such as epoxies, polyurethanes and silicones within a mixing ratio of 100:100 to 100:4. The material can be abrasive as well as filled.
The material is either supplied from pressure vessels or by feed pumps.
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The MICRO-MIX range of systems are compact, pneumatic or electrically driven piston pump metering and mixing systems.
They are used to either continuously apply or meter shots of low to high viscosity multiple component materials such as epoxies, polyurethanes and silicones within a mixing ratio of 100:100 to 100:4.
The material can be abrasive as well as filled.
The material is either supplied from pressure vessels or by feed pumps.
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The DOPAG ELDO-MIX range of gear pump driven metering and mixing systems are built in modular form and are custom designed.
Depending on the specific application, various basic configurations are available. |
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The VARIO-MIX range of systems are solvent free, compact, pneumatic or hydraulically driven piston pump metering and mixing systems.
They are used to either continuously apply or meter shots of low to high viscosity multiple component materials such as epoxies, polyurethanes and silicones within a mixing ratio of 100:100 to 100:4. The material can be abrasive as well as filled.
The material is either supplied from pressure vessels or by feed pumps.
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The MICRO-MIX range of systems are compact, pneumatic or electrically driven piston pump metering and mixing systems.
They are used to either continuously apply or meter shots of low to high viscosity multiple component materials such as epoxies, polyurethanes and silicones within a mixing ratio of 100:100 to 100:4.
The material can be abrasive as well as filled.
The material is either supplied from pressure vessels or by feed pumps.
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Features:
- Patented CeramPump® Design - One moving part, No Valves.
- Direct Coupled Synchronous Drive - Long term, drift-free accuracy.
- Inert Fluid Path - Excellent solvent compatibility
- Flows from 0-1380 ml/hr
- Kit Includes: Low Dead Volume Fittings, Teflon Tubing, Pulse Suppressor, & Dial Indicator for repeat flow settings of 0.1% |
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