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Dupro Dosing & Metering Pumps

Dupro Dosing & Metering Pumps

Dupro Dosing & Metering Pumps are reciprocating positive-displacement pumps engineered for accurate, repeatable chemical dosing in water treatment, oil & gas, power, fertilizer, pharmaceutical and process industries. The complete range covers plunger-type, mechanically operated diaphragm and hydraulically actuated diaphragm pumps with discharge pressures from 1 bar to 700 bar and flow rates from 0.1 LPH to 12,000 LPH.

Each pump is custom engineered to suit the chemistry, viscosity, temperature and pressure of the specific dosing duty. Plunger-type pumps deliver the highest accuracy and pressure capability for clean fluids; mechanically operated diaphragm pumps eliminate leakage paths for hazardous chemicals at moderate pressure; hydraulically actuated diaphragm pumps combine the leak-free containment of diaphragm with the high-pressure capability of plunger drives. API 675, ISO 9001:2015 and PED 2014/68/EU compliant. Stainless steel, PVDF, PTFE and Hastelloy wetted parts available to match fluid compatibility.

Product Datasheet

Download Dupro Dosing & Metering Pumps Brochure

Detailed technical specifications, performance curves & selection guide

Download PDF PDF · ~2 MB
0.1
LPH to 12
Capacity
1
bar to 700 bar
Pressure
Plunger /
Pump Type
Adjustable
Stroke Length

Performance Range & Specifications

Pump Type
Plunger / Mechanical Diaphragm / Hydraulic Diaphragm
Flow Range
0.1 LPH to 12,000 LPH
Discharge Pressure
1 bar to 700 bar
Stroke Length
Adjustable 0-100% (Manual / Pneumatic / Electric)
Accuracy
+/- 1% (typical)
Liquid End MOC
SS 316L / SS 304 / PVDF / PTFE / Hastelloy / PP
Diaphragm
PTFE-Faced / EPDM / Viton
Drive
Electric Motor (1-Phase / 3-Phase / VFD-Ready)
Standards
API 675 / ISO 9001:2015 / PED 2014/68/EU
Approvals
CE / ATEX (Optional)

Key Features & Advantages

High Accuracy+/- 1% repeatable dosing
Wide Pressure Range1 to 700 bar across the line
Three Pumping PrinciplesPlunger / Mech Diaphragm / Hydraulic Diaphragm
Leak-Free Diaphragm OptionsFor hazardous & toxic chemicals
API 675 CompliantInternational dosing-pump standard
Adjustable StrokeManual or actuated 0-100%
Wide MOC SelectionSS 316, PVDF, PTFE, Hastelloy
Multiplex ConfigurationsSingle, duplex, triplex available

Applications

Water & wastewater dosing
Boiler-feed chemical dosing
Cooling-tower chemical dosing
RO antiscalant dosing
Oil & gas chemical injection
Polymer dosing
Acid & alkali dosing
Fertilizer / agricultural chemicals

Why Choose Target Marketing for Dupro Dosing & Metering Pumps?

Authorized DealerOfficial Dupro Engineering Pvt. Ltd. channel partner with genuine product warranty
Application EngineeringPump selection matched to your fluid analysis & service conditions
Genuine SparesDupro OEM diaphragms, plungers, packings, seals and valves
End-to-End SupportEnquiry through commissioning and AMC
Quick DeliveryReady stock for popular models

Need a Quote for Dupro Dosing & Metering Pumps?

Talk to our application engineers for hydraulic selection, MOC review and TCO comparison.

Frequently Asked Questions

Plunger pumps offer the highest accuracy and pressure capability (up to 700 bar) for clean, non-hazardous fluids. Mechanically operated diaphragm pumps provide leak-free dosing for hazardous chemicals at moderate pressure (up to 25 bar). Hydraulically actuated diaphragm pumps combine leak-free containment with high pressure (up to 350 bar). Selection depends on fluid hazard, pressure, flow and accuracy requirements.
Dupro Dosing & Metering Pumps cover flow rates from 0.1 LPH to 12,000 LPH and discharge pressures from 1 bar to 700 bar across the three pumping principles. Refer to specifications table or contact our application team for selection.
Yes — Dupro Dosing & Metering Pumps are designed and manufactured per API 675 (Controlled-Volume Reciprocating Pumps for Chemical Service), the leading international standard for industrial dosing pumps. ISO 9001:2015 and PED 2014/68/EU compliance are also standard.
Wetted parts can be supplied in SS 316L, SS 304, PVDF, PTFE, Hastelloy or polypropylene to match the chemical compatibility of the dosed fluid. Diaphragm options include PTFE-faced EPDM and Viton for varying chemical and temperature service.
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