SR series. A type

SR series. A type

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The A series dosing pumps are plunger pumps designed for dosing non-abrasive liquids.

They are characterised by a very wide range of materials for components that come into contact with the medium. Pumps in this series offer manual and automatic stroke adjustment and the option of a flushing or leak recovery system. The pump head mounting flange is open at the bottom and top and is equipped with covers to restrict access to the moving slide. The lower cover is equipped with a hose connection for collecting liquid in the event of leakage from the pump head due to wear of the seal or oil from the mechanism.

Doseuro A dosing pumps are also available in a high-pressure ‘HP’ version and are ATEX compliant.

The A series dosing pumps are plunger pumps designed for dosing non-abrasive liquids.

They are characterised by a very wide range of materials for components that come into contact with the medium. Pumps in this series offer manual and automatic stroke adjustment and the option of a flushing or leak recovery system. The pump head mounting flange is open at the bottom and top and is equipped with covers to restrict access to the moving slide. The lower cover is equipped with a hose connection for collecting liquid in the event of leakage from the pump head due to wear of the seal or oil from the mechanism.

Doseuro A dosing pumps are also available in a high-pressure ‘HP’ version and are ATEX compliant.

Technical data
Model Max capacity [lt/h] Max pressure [barg]
A 125N 156 20
A 175N 408 20
A 250N 1042 20
A 350N 1458 4
AP A 125N 15,6 230
AP A 250N 28,6 230
AP A 350N 57,4 230
Material execution
Execution Pump head Piston Valve (ball) Valve seats Piston gaskets
11 S.S. 316 S.S. 316 S.S. 316 S.S. 316 NBR
13 PVC Ceramics PYREX PVC FPM
17 S.S. 316 Ceramics S.S. 316 S.S. 316 FPM
19 S.S. 316 S.S. 316 S.S. 316 S.S. 316 FPM
20 PVC S.S. 316 PYREX PVC NBR
21 S.S. 316 S.S. 316 S.S. 316 S.S. 316 PTFE
32 S.S. 316 S.S. 420 S.S. 316 S.S. 316 AU
41 S.S. 316 Ceramics S.S. 316 S.S. 316 AU

PYREX~glass, AU = polyurethane

Typical application

Dosing of chemicals, including coagulants, fertilisers, acids, polymers, chemicals, etc. They can be used in applications such as:

  • fertilisation,
  • water treatment,
  • paper industry,
  • chemical industry,
  • food industry,
  • cooling towers,
  • power plants.
Product features

Doseuro “A” series dosing pumps are plunger pumps designed for water treatment and industrial applications. They are reliable and easy to maintain, with the option of a flushing or leak recovery system.

“A” series spring return plunger dosing pumps are ideal for applications where:

  • The dosed liquid is non abrasive solution
  • A drip proof system is not essential
  • High pressure is required

Pumps are characterised by a very wide range of materials for components in contact with the medium. Pumps in this series also have the option of stroke adjustment both during pump operation and during downtime. Stroke adjustment can be performed manually or automatically using an automatic actuator driven by 4-20 mA; various BUS; or pneumatically.

The piston pump heads can be made in different material versions depending on the liquid being dosed. The pump head mounting flange is open at the bottom and top and is equipped with covers to restrict access to the moving slide. The lower guard is equipped with a hose connection for collecting liquid in the event of leakage from the pump head due to wear of the seal or oil from the mechanism.

Doseuro A dosing pumps are available in a standard version and a high-pressure ‘HP’ version. They also comply with the ATEX standard, allowing them to be installed in potentially explosive atmospheres.

  • Technical data

  • Material execution

  • Typical application

  • Product features

Model Max capacity [lt/h] Max pressure [barg]
A 125N 156 20
A 175N 408 20
A 250N 1042 20
A 350N 1458 4
AP A 125N 15,6 230
AP A 250N 28,6 230
AP A 350N 57,4 230

Video. Why quality control is so important when producing a pump?