Dupro Engineering Private Limited

The Dosing System is complete skid mounted chemical dosing system. The system executes liquid dosing, mixing, chemical preparation, means of regulation, automation and control in liquid dosing and mixing. Non-standard dosing pump is used to meet the special requirements of specific applications. The various processes involved in dosing systems are water treatment chemical dosing; effluent - sewage treatment chemical dosing; chemical - solution preparation and metering package; corrosion inhibitor dosing; odorizing injecting systems; additive or catalyst injection package; Hp-Lp dosing systems for boilers; polymerization additives; preparing -cleaning - disinfecting solution dosing for CIP.

The Hydro Test Pump is designed to deliver flow streams with ultra high-pressure. This is used for hydro test of cross country pipelines, boiler, columns, heat exchangers, vessels, tanks, silos, pipes, valves, pumps, castings, hoses and numerous other applications. The hydro test package consists of hoses, pumps, valves, pipes, tanks, manifolds with automation and other accessories like, pressure gauge, pressure switch, pressure transducers, strainer, non-return valve, relief valves, counters, pulsation dampeners, flow & control equipments, drive, engine, gear box, anti vibration mounting pad pump mounting shelf, mobile trolley, etc.

Dupoly Marketing offers Dosing Pumps. They are used to accurately feed predetermined volumes of liquid into a processor or system. These pumps are capable of pumping a wide range of chemicals such as: corrosives (substance that causes corrosion), bases (slippery compounds), acids, slurries (thin liquid mixed with finely divided substances such as plaster or clay particles) and viscous liquids (high resistance to flow). These pumps made under strict quality control and ensures good engineering. They are provided with plunger as well as single/ double hydraulically or mechanical flex diaphragm. They are constructed from various metallic and non metallic materials covering the capacity range from 100 ml/ hr to 14,000 lph and discharge pressure up to 1000 kg/cm ². These pumps can be crafted in simplex, multiplex, remote, jacketed, double acting or below type liquid heads with several type of valves combinations or any tailor-made versions.

Dupro test pump and packages are designed to deliver flow streams with ultra high pressure. They are used for hydro test of cross country pipelines, boiler, columns, heat exchangers, vessels, tanks, silos, pipes, valves, pumps, castings, hoses and numerous other applications. The company can offer complete packages for hydro test consisting of hoses, pumps, valves, pipes, tanks, manifolds, with automation and other accessories like pressure gauge, pressure switch, pressure transducers, pressure recorder, strainer, non-return valve, relief valves, counters, pulsation dampeners, flow and control equipment, drive, engine, gearbox, anti vibration mounting pad pump mounting shelf, mobile trolley, etc. Benefits:

• Simplicity makes the cleaning less tedious task, any layman can operate it easily
• Reduces energy, water, man power and time consumption
• The pump is always ready to do the job and can take long hours of continuous task
• Offers the best value for the price paid

Dupoly offers Diaphragm Type Metering Pumps, D4 50D. These are applied for operation such as a dosing, metering, injection, feed, proportioning. These pumps are designed to deliver flow streams at adjustable & controlled rates. They are also utilized for high-pressure systems, where low flow rates in ml or litre/hr required, flow proportioning, to handle various fluid (viscous, slurries, corrosive, hazardous, radioactive, abrasive, toxic, melts, gases, foams, yeast and food) and numerous other uses. These pumps are made under strict quality control and ensure good engineering. These pumps are provided with plunger as well as single/double hydraulically or mechanically flex diaphragm. These are constructed from various metallic and non-metallic materials and covers the capacity ranges from 100 ml/hr to 14,000-lph and discharges pressure up to 1000 kg/cm². These pumps can be crafted in simplex, multiplex, remote, jacketed, double acting or below type liquid heads with several types of valves combinations or any other tailor-made versions.

Dupoly offers High Pressure Triplex Plunger Pump. This is a positive displacement pump, which can be able to deliver high flow stream at high-pressure with high-efficiency and are able to handle the accurate volume of various fluid. Specifications: flow range: up to 60,000 lph; pressure range: up to 1000 kg/cm2; temperature range: 30 C to 300 C; manufacturing standard: API –674; material: AISI 316, AISI 304, AISI 410, CS, alloy-20, hastelloy C & B, titanium, monel, etc.; cartridge: single/double acting plunger; valve: ball, cone, plate, wing with/without spring loaded; gland packing: U seal; options: pressure relief valve, pulsation dampener, instrumentation and automation and complete pumping systems.

Dupoly Marketing offers High Pressure Washing Pump, DHP 91. This unit consists of a robust and sturdy high-pressure triplex plunger pump. This washing unit is designed to perform under extreme duty condition and provide excellent results at the end. It is economical in terms of water, electricity, time and manpower consumption. This unit is provided with any turn key solutions with automation and other accessories like tanks, pressure gauge, various types of nozzle, injector, lances and guns, strainer, back pressure and relief valves, unloading valve, pulsation dampeners, flow & control equipment, drive, gear box, engine, mobile trolley.

A range of high quality pumps – Dupro Pumps. Features: DUPRO pumps are available in various versions like gland packed plunger, mechanically and hydraulically actuated single or double diaphragm, etc.