SR series. B & BR type

SR series. B & BR type

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Spring return hydraulic diaphragm dosing pump. „B & BR” – Series Hydraulic diaphragm metering pumps are normally used when:

  • The dosed liquid contains small amounts of suspended solids
  • A drip proof/air tight application is required
  • The dosed liquid is a toxic solution
  • High pressure is required

Each pump is fitted with a standard gearbox reduction system with a vertical mounted motor. The reduction gearbox is of a standard endless screw plus worm-wheel type, supported by bearing, fully lubricated in oil bath. 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. BR version is equipped with built-in safety valve is installed in the hydraulic circuit, in order to protect the diaphragm against over pressure.

Furthermore they comply with ATEX standard, therefore they can be installed in Hazardous area.

FAST FACTS

  • Max Capacity: 1068 l/h
  • Max Operating Pressure: 20–60 bar
  • Max Temperature: 150 °C
  • Construction Materials: AISI 316L, PP, PVC, or PVDF
  • Certifications: ATEX, FDA, EC 1935/2004

FEATURES & BENEFITS

  • Versatility – available in various sizes tailored to different applications, with capacities ranging from 1.5 to 1068 l/h.
  • Reliability – high accuracy and repeatability, combined with premium materials, ensure maximum reliability of the SR series pumps.
  • High quality – optimal diaphragm material selection delivers excellent performance for every application.
  • Explosion-proof design – compliant with ATEX Directive, Category II 2G, for use in hazardous areas.

Spring return hydraulic diaphragm dosing pump. „B & BR” – Series Hydraulic diaphragm metering pumps are normally used when:

  • The dosed liquid contains small amounts of suspended solids
  • A drip proof/air tight application is required
  • The dosed liquid is a toxic solution
  • High pressure is required

Each pump is fitted with a standard gearbox reduction system with a vertical mounted motor. The reduction gearbox is of a standard endless screw plus worm-wheel type, supported by bearing, fully lubricated in oil bath. 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. BR version is equipped with built-in safety valve is installed in the hydraulic circuit, in order to protect the diaphragm against over pressure.

Furthermore they comply with ATEX standard, therefore they can be installed in Hazardous area.

Technical data
Model Max capacity [lt/h] Max pressure [barg]
B & BR 125N 108 20/13,5
B & BR 175N 418 20/14
B & BR 250N 1068 11/7,2
APB & BR 125N 60 60/40
APB & BR 175N 247 60/40
APB & BR 250N 556 23/20,7
Material execution
Execution Pump head Piston Valve (ball) Valve seats Diaphragm Valves O-ring
29 PP S.S. 420 TEMP. PYREX PP PTFE/NBR T20
41 S.S. 316 S.S. 420 TEMP. S.S. 316 S.S. 316 PTFE/NBR T20
43 PVC S.S. 420 TEMP. PYREX PVC PTFE/NBR T20

PP = polypropylene, AISI 420 TEMP. = tempered stainless, T20 = polyurethane rubber, PYREX~glass

  • Technical data

  • Material execution

Model Max capacity [lt/h] Max pressure [barg]
B & BR 125N 108 20/13,5
B & BR 175N 418 20/14
B & BR 250N 1068 11/7,2
APB & BR 125N 60 60/40
APB & BR 175N 247 60/40
APB & BR 250N 556 23/20,7