dosing pump stroke adjustment

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  • DOSING PUMPS - tapflo.rs

    2018-7-12 · Stroke adjustment can be carried with the pump at rest or in operation and it can be manual or automatic through automatic actuator driven by 4-20 mA; different BUS; pneumatic.

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  • OPERATING INSTRUCTIONS MANUAL FOR “H” SERIES

    2018-10-12 · 6 “H” Series Dosing Pump Maintenance and Installation Manual SINGLE STROKE INJECTION ADJUSTMENT The “H” series pumps have a double flow setting that can be operated at same time: the number of strokes per minute and the single stroke capacity. This feature results in a more accuracy of the metering.

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  • Dosing Pump - an overview | ScienceDirect Topics

    PO demand in conjunction with pH from the drum water pH controller is used to regulate the stroke of the phosphate dosing pump. The output of the controller is summed with FW flow as load of the system, which acts as a feed forward signal to make the loop responsive at changing load. pH and FW signals are put into the loop through scaling and bias units to normalize the …

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  • Controlling the Flow Capacity of a Metering Pump ...

    Since a metering pumps is usually a positive displacement pump there are two possible ways of controlling the flow capacity. The first one is by adjusting the volume of liquid displaced per stroke of the pump and the second is by adjusting the speed of the strokes. I. Stroke Length – control the displacement volume per stroke

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  • Metering Pump Principles | Milton Roy

    Flow Adjustments – Pump flow rate is adjustable by varying stroke length, effective stroke length, or stroking speed. Most metering pumps are supplied with a micrometer screw adjustment similar to the one shown here. The micrometer can also be replaced by an electronic or pneumatic actuator to adjust pump flow rate in response to process signal.

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  • US20080250921A1 - Stroke adjustment mechanism

    Stroke adjustment mechanisms are used to control the output of a reciprocating pump by changing the length of the plunger or piston stroke. There …

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  • NewDose Malaysia | Dosing Pump Malaysia |

    2020-12-29 · An exact defined volume of liquid is drawn into the pump body on the suction stroke and forced into the discharge line on the discharge stroke. Metering pump or more commonly known as dosing pump provide high accuracy for applications which require high dosing accuracy by adjustment of the pump settings.

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  • Pulsafeeder Diaphragm Metering Pumps

    2014-1-6 · Under most conditions the relationship between pump flow and the adjustment of stroking speed (frequency) will be linear across the rated range of adjustment. This range is generally between 10:1 - 20:1, meaning that pump accuracy and repeatability can be maintained from 100% of rated speed, down to a minimum of 5 - 10% of rated speed.

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  • Automatically Changing a Chemical Metering Pump’s

    2016-9-19 · To start, all Madden chemical metering pumps are designed with a manual stroke length adjustment built right into the pump. This allows for a very linear turndown of the pump’s output or flowrate and it is quite simple. A knob and dial scale on top of the pump allow you to turn down the ouput at a 10:1 ratio of your pump model’s max capacity.

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  • OPERATING INSTRUCTIONS MANUAL FOR “G” DOSING

    2020-4-25 · Constant dosing pump with stroke speed adjustment between 0 and 100% of indicated capacity (see label on pump type). The % marked knob sets the pump capacity, changing linearly the magnet stroke number per minute. It is strongly suggested to not operate the pump in the range from 0 …

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  • Flow Adjustment Methods of Metering Pumps - Ark

    The metering pump is also called the quantitative pump or the proportional pump. 2. Flow adjustment methods of metering pumps. The commonly used flow adjustment methods of the metering pump include adjusting the stroke and adjusting the number of strokes per minute. Or there are three methods including the two methods above.

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  • Dosing Pump - an overview | ScienceDirect Topics

    In Electrical Systems and Equipment (Third Edition), 1992. 6.3.6 Dosing pump controls. The scheme shown in Fig 10.18 has four 415 V three-phase 50 Hz dosing pumps, each capable of delivering one-third of the maximum dosing rate.A ‘three out of four’ duty selection scheme is provided; the fourth pump is on standby and starts automatically upon failure of one of the duty pumps when automatic ...

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  • Digital dosing pumps

    The pump adjusts its speed and/or stroke frequency according to two factors: • The frequency of external pulses • The set quantity per pulse. Setting range Analog 0/4-20 mA control Applies to DME-AR and DME-AP The pump ensures dosing according to an external analog signal. The dosed capacity is proportional to the input value in mA.

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  • TYPE A- Piston Dosing Pump - Germ Group of

    A- Type Piston Dosing Pump A” type piston metering pumps are suitable for use when the liquid dosed is a non abrasive solution and high pressure is required. The gearbox is a standard wormwheel reduction system coupled with a vertical mounted B14 shaped electric motor in accordance with UNEL-MEC specification. The mechanism for variation of […]

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  • Pulsafeeder Diaphragm Metering Pumps

    2014-1-6 · For changes in the piston travel, or stroke length, a mechanical adjustment within the pump is used. In order to change stroke speed (frequency), some form of variable speed drive is used to change the rotation speed of the drive motor, for example a DC-SCR drive, or an AC VFD. Section 1, Flow Rate vs. Motor Speed Adjustment

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  • Metering Pump Digital Stroke Controller - Ligao

    Metering pump stroke controller is controlled by a micro-processor, with variable stroke length to adjust the pump flow. The controller can be adapted to a variety models of LIGAO metering pumps. The metering pump stroke controller can be adjusted according to the stroke length and the optimal adjustment range of stroke length is 0% ~ 100%.

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  • Chemical Dosing Pump Singapore | Easy Installation

    A dosing pump, or often referred to as a metering pump, is a device used to accurately deliver a precise amount of liquid or substance under controlled conditions. While similar to generic dosing pumps, the chemical dosing pump differs in its type of application within specific industries and its …

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  • PVC PVDF Chemical Alkaline Acid Dosing Pump -

    2020-9-26 · Flow can be modified in cease or working condition. The adjustment approach can be handbook, electric or variable frequency. Manage Strategy: CZPTtric stroke controller: accept exterior manage alerts to modify stroke size: Power provide: 220V,50HZ, One stage, 380V,50HZ,3Phase or as required: Enter signal: four-20mA analog sign: Output sign

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  • AQUA Chemical Dosing Pumps, Filters & Water

    Aqua Industrial Group manufactures of water treatment equipment & filtration. Chemical Dosing Pumps from low cost Peristalic Pumps, Solenoid Metering Pumps & Motorised Mechanical Diaphragm Metering Pumps. Analytical equipment for pH, Redox, Conductivity & Free Chlorine.

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  • Pump Performance | Control the flow with metering

    2011-11-3 · The capacity in the original metering pump was changed by adjusting the stroke length of the piston from outside the pump. Figure 4 shows the same concept, but its stroke length adjustment via an internal, oil-bathed gear system is a technology introduced about 30 years after the first metering pump. This drive type is readily available today.

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  • TYPE D – Diaphragm Dosing Pump - Germ Group of

    D- Type Diaphragm Dosing Pump D” type mechanical diaphragm metering pumps are suitable for use when the liquid to dose contains small suspended solids and when high pressure is not required. The gearbox is a standard wormwheel reduction system coupled with a vertical mounted B14 shaped electric motor in accordance with UNEL-MEC specification. The mechanism […]

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  • Dosing pump principle - Pump Supermarket-HAOSH

    2021-3-5 · Dosing pump is also called metering pump, quantitative pump or proportional pump. Metering pump is a kind of can meet the needs of all kinds of strict process flow, flow can be in the range of 0-100% stepless adjustment, used to transport liquids (especially corrosive liquids) a special volume pump.

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  • Electromagnetic Dosing Pump Manufacturers in India,

    2021-4-3 · The pump also has the additional feature for low-level indication in the dosing tank. The pump is suitable for a power supply of single phase, 230V (AC). Die-casting aluminium powder coated pump body; 0% to 100% Stroke frequency adjustment; 10% to 100% stroke length adjustment; Can accept pulse & 4-20mA signals; 0.44 LPH to 54.60 LPH Capacity

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  • DOSEURO Industrial Mechanical Metering Dosing

    Plunger Dosing Pump. Max Flow 1,458l/hr @ 4 bar, Max Pressure 230bar @ 57l/hr Stroke Length Adjustment AISI316L, PVC, PP, PVDF, PTFE. Data Sheets. DOSEURO FM Mechanical Diaphragm Dosing Pump. Max Flow 47 l/hr @ 5 bar, Max Pressure 10 bar @ 14 l/hr Stroke Length Adjustment

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  • Chemical Dosing Pump For Water Treatment Plant -

    2021-3-3 · Chemical dosing pump Adjustment Options Manual Adjustment:wethwer the pump running or stopped ·Minimum adjustment scale is 1% Electric Stroke Controlller:external control signal adjust stroke length ·Power Supply:220V-50Hz,1 phase ·Input Signal:4-20mA …

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  • FX series SOLENOID DRIVEN DOSING PUMPS

    2020-11-27 · STROKE LENGTH ADJUSTMENT It varies the single stroke volume displacement offering the advantage of double flow rate regulation: pulse frequency adjustment and stroke length allowing accurate dosing operations. Recommended stroke adjustment rate: 20%100% available WITHOUT stroke adjustment, FXS series (on request).

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  • Digital dosing pumps

    The pump adjusts its speed and/or stroke frequency according to two factors: • The frequency of external pulses • The set quantity per pulse. Setting range Analog 0/4-20 mA control Applies to DME-AR and DME-AP The pump ensures dosing according to an external analog signal. The dosed capacity is proportional to the input value in mA.

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  • LMI ELECTRONIC DOSING PUMPS Code : B9xx

    2019-6-11 · graduations of stroke knob and speed knob correspond to percentage of this max. output. Note : P0 pumps have no stroke adjustment. Example : Use max. output = 2,3 L/H. If the pump is set at 40% speed and 60% stroke lenght, the appropriate pump out put is 2,3 L/H x 0.40 x 0.60 = 0,55 L/H. Note : Remember that 6x8 tubing is 0,22 ml/cm which is

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  • Metering Pumps ProMinent o Metering Pumps Pr

    2018-5-5 · During operation, the alpha pump with its positively driven suction and metering strokes, as well as the stroke length adjustment by varying the eccentricity produces a smooth, sinusoidal stroke action for suction and metering stroke with diaphragm deflection from the centre position.

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  • OPERATING INSTRUCTIONS MANUAL FOR “G” DOSING

    2020-4-25 · Constant dosing pump with stroke speed adjustment between 0 and 100% of indicated capacity (see label on pump type). The % marked knob sets the pump capacity, changing linearly the magnet stroke number per minute. It is strongly suggested to not operate the pump in the range from 0 …

    Get Price
  • Dosing pump series G™ M - Dosing Systems Australia

    2018-3-12 · adjustment and control of flow rate, stroke counter, electronic servomotor •Homogeneous or heterogeneous multiplexing capabilities •Integrable into an EH&S protection enclosure Dosing pump series G™ M Flow rate up to 500 l/h • Pressure up to 12 bar • Mechanically actuated diaphragm

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  • Milton Roy G-series Dosing Pumps | Meurs process

    G series motor driven dosing pump - Motor driven diaphragm dosing pump - Stroke lengthe adjustment with variable eccentric - Low pulsation (without hydraulic shocks) - Long lifespan due to shock free drive . Features. GA series till 170 litres per hour. GM series till 500 litres per hour.

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  • PNZ Series Plunger Type Dosing Pump - Universal

    Packed Plunger-Dosing Pump Stroke adjustment by variable eccentric Low pulsations Conforms to API 675 standard Few mechanically moving components: low maintenance Optional automatic control (stroke length/speed) Ideally suited for HP and LP DOSING SYSTEM Pressure:- Max.250 Kg/cm2 Flow (LPH) with duplex:- Max.11000

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  • Piston Dosing Pump - All Purpose Pumps

    Piston dosing pumps are particularly precise units, suitable for pressures up to 200 bar. An advantage of piston dosing pumps include precise and repeatable dose rates with varying back pressure conditions. Flow variation is achieved through stroke length adjustment or motor frequency control.

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  • Chemical Dosing Pump - Plunger Dosing Pump

    Features: Heavy duty construction designed for several industrial applications.Reliable and easy for maintenance.Low NPSHR required.Fully oil bath lubrication for longer life with an internal worm gear mechanism.High volumetric efficiency and metering accuracy achieved.Micro-metric stroke adjustment while pump running or stopped.Low investment cost.

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  • PRIMEROY® L dosing pump - Industrial Pump Solutions

    2016-6-2 · PRIMEROY® L dosing pump Hydraulically actuated diaphragm liquid end • Flow rate up to 3300 l/h • Pressure up to 45 bar Main mechanical characteristics • Reciprocating dosing pump with variable stroke length • Stroke micrometric adjustment while running or stopped • Multiplexing capability up to 2x3 heads • Maximum stroke length: 50 mm

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  • Milton Roy Dosing Pump - Mechanically Actuated

    Custom Designed-Dosing Systems Features :Systems range from a basic single pump with manifold piping on a base plate, to multiple tanks and pumps piped on a common skid withcomplete controls.Designs cover a wide range of capacities and materials to suit any application and industrial environment.Design :Milton Roy has extensive experience in packaged systems.

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  • Metering Pumps - Motor-driven Diaphragm Dosing

    Motor-driven Diaphragm Dosing Pumps The MEMDOS series is an economical line of motor driven, mechanical diaphragm metering pumps. This versatile line offers two versions to meet a variety of applications: The base model, MEMDOS E, is a manually operated version. For applications requiring control by an external control signal, the intelligent MEMDOS DX offers state-of-the-art microprocessor ...

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  • GB Series-Mechanically Actuated Diaphragm

    Mechanically Actuated Diaphragm Metering Pump Key Specification Features: Series GB Zero leakage design Turn down ratio 10:1 High efficiency PTFE Diaphragm Variable eccentric design prevents hydraulic shock Rugged Construction Stroke adjustment can be adjusted while pump is running or stopped Compact size Oil bath lubrication for all drive components Liquid temperature limits (Minus 10 …

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  • Spring Return dosing pump D - mechanical diaphragm

    2009-3-27 · Spring Return dosing pump D - mechanical diaphragm. The right dosing choice. SR Series. Type D. Spring Return Mechanical Diaphragm . Dosing Pumps MAIN ELEMENTS TO SUPPORT OUR . PRODUCTS ... STROKE ADJUSTMENT. Flow rate adjustment is possible while running or at standstill. The movement . of the diaphragm is based on a precise

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  • PISTON PLUNGER DOSING PUMP POSITIVE

    2017-6-2 · Seal ring The sealing arrangement between the piston plunger and the pump head. Valve Non return valve on both suction and delivery. Adjustment rod This adjusts the the piston stroke length. Safety (relief) valve Installed within the discharge pipework to protect the dosing pump …

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  • SERIES 4 DIAPHRAGM PUMPS - sera Dosing Systems and ...

    2020-2-25 · STROKE FREQUENCY SENSOR sera dosing pumps are oscillating displacement pumps with an exactly defined stroke volume for each pump stroke. The stroke frequency sensor records the individual pump strokes and forwards each individually to the evaluation unit. ELECTRIC ACTUATOR FOR STROKE LENGTH ADJUSTMENT Using the electric actuator for stroke ...

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  • Milton Roy Dosing Pump Archives - Universal

    Packed Plunger-Dosing Pump Stroke adjustment by variable eccentric Low pulsations Conforms to API 675 standard Few mechanically moving components: low maintenance Optional automatic control (stroke length/speed) Ideally…

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  • - Controlled Dosing

    TP/TM INV. These pumps are plunger piston metering pumps featuring a spring return stroke in an alluminium housing with oil bath. Each pump is equipped with manual flow adjustment and can be equipped with an electric actuator which accepts a 420 ma or inverter or piston/diaphragm dosing pumps with assembled inverter.

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  • The Case for Digital Dosing | Pumps & Systems

    2006-10-5 · 1940s: Dosing pumps first produced commercially as chemical feed pumps. 1940s and 1950s: Modifications to the mechanical adjustment of the stroke length. Late 1950s and early 1960s: Diaphragm added to dosing pumps. The diaphragm eliminated the need for the plunger to be exposed to the chemical being pumped, making the pump sealless.

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  • Metering & Dosing Pump Operations - Accendo

    Metering & Dosing Pump Operations. Metering and dosing pump operation. Any positive displacement pump can be used as a metering or dosing pump. The purpose of these pumps is to inject a known volume of liquid into a process stream. The primary requirement is that over a given period of time the pump consistently delivers the same amount of liquid.

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  • Mechanically Actuated Diaphragm Pump | Milton Roy

    Controlled-volume metering pumps and customized solutions that maximize uptime and lower maintenance costs, Epoxy coated aluminium housing Stroke adjustment by cam and spring return mechanism, Optional automatic control (stroke length/speed), Liquid end options PP, PVC, PVDF & SS 316, Composite Fluorofilm diaphragm for reliable and leak proof operation.

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  • MG Series Motor Driven Chemical Dosing Pump

    MG series metering pump is a volumetric, mechanically operated reciprocating metering pump. Widely used in petroleum, chemical, food, pharmaceutical, paper, light industry, agriculture, water plant and other industrial and technological sectors, in the process of dealing with all kinds of media measurement and dosing applications.

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  • PD Pump Fundamentals, Design and Applications

    2012-2-21 · Editor's Note: This is the fifth in a series of five articles based on the Hydraulic Institute's new Positive Displacement (PD) Pumps: Fundamentals, Design and Applications e-Learning course. To read the previous article, click here. Last month, we introduced Module 4 of the course, which focused on reciprocating pumps. In this issue, we will focus on metering pumps.

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