Close Coupled Centrifugal Pump

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Salvatore Robuschi Close Coupled Centrifugal Pump Range, ISO 5199 interchangeable

HD & HG Centrifugal Pump Series:

The HD & HDA Series consists of Single Stage Centrifugal Pumps with Open or Closed Impellers with either Industrial Flanges (HD/HG) or Food Grade Connections (HDA/HGA). These units are built in accordance to DIN 24256 & EN 22858 Standards through precision cast and pressed AISI 316L Stainless Steel and are suitable for a plethora of applications within Chemical, Food, Pharmaceutical, Water & Waste Water and Textile industries. Other alloys such as Sanicro 28 are also available on request.

The Closed Impeller (HD) Centrifugal Pump is suitable for conveying of clean liquids or liquids containing small percentages of solids in suspension. The Open Impeller (HG) Centrifugal Pump is suitable for pumping of liquids with solids in suspension (not filamentous), viscous fluids and also those with entrained gases or air.

Thanks to their simple and modular construction, they ensure limited spare parts stocking and low running costs. The sealing systems available are so complete that these pumps are often used for difficult applications. The execution with food connections is also available with shrouded motors. The maximum working pressure is 8 Bar, according to the pump size. All pump sizes are equipped with IEC standard electric motors.

RS Centrifugal Pump Series:

The RS & RSA Series consists of Single Stage Centrifugal Pumps with Recessed Vortex Impellers with either Industrial Flanges (RS) or Food Grade Connections (RSA). These units are built in accordance with ISO 2858 Chemical & ISO 5199 Mechanical Norms. ISO 5199 defines the maximum allowable shaft deflection, mechanical resistance and ball bearing minimum lifetime, ensuring that Centrifugal Pumps built to this standard offer excellent reliability in Industrial and Chemical applications. Surpassing those built to EN 733 Standards. ISO 5199 Norms ensure a shaft deflection of & 0.05 mm and a minimum bearing life time of 18’000 hours of operation.

These pumps are ideally placed pumping fragile, long and filamentary solids without clogging or causing any damage to the product. Most of the liquid crosses the pump casing without coming into contact with the impeller. This ensures that all crystals, delicate solids, granules, flakes of biologic mud, leather parts, etc. are not damaged. Furthermore, the Vortex Impeller design also allows pumping of fluids with up to 50% entrained gases and fluids with a viscosity up to 700 cPs.

Thanks to their simple & modular construction, this range of Centrifugal Pumps ensure limited spare parts stocking and low running costs. The sealing systems available are so complete that these pumps are often used for difficult applications. The execution with food connections is also available with shrouded motors. The maximum working pressure is 8 Bar, according to the pump size. All pump sizes are equipped with IEC standard electric motors.

Features and Benefits

HD & HG Centrifugal Pump range:

  • Connection Sizes: Available from DN25 up to DN 125
  • Flow Range: up to 300 m³/hr
  • Head Range: up to 65 m
  • Temperature Range: up to 120ºC – depending on the pumped fluid
  • Built to DIN 24256 & EN 22858 Standards therefore they are interchangeable with the RD & RG Series of Chemical Pumps
  • Versatility: 8 Different seal seat arrangements & Industrial Flanged (PN16) or Food Grade (DIN 11851 as standard) connections means these pumps are able to be used in many different industries
  • Casing & Impellers constructed from lost wax process for high efficiency
  • Wear Resistant Units are supplied with Wear Rings (closed impeller) or Wear Plates (open impeller)
  • Maintenance: Standardised IEC Electric Motors & Easy Seal Replacement

RS Centrifugal Pump range:

  • Connection Sizes: Available from ¾” BSP M up to DN 65
  • Flow Range: up to 100 m³/hr
  • Head Range: up to 60 m
  • Temperature Range: up to 120ºC – depending on the pumped fluid
  • Built to ISO 2858 / 5199 Chemical & Mechanical Norms
  • Versatility: 8 Different seal seat arrangements & Industrial Flanged (PN16) or Food Grade (DIN 11851 as standard) connections means these pumps are able to be used in many different industries for some of the following applications:
  • - Transfer liquids with suspended solids

    - Fruit and vegetables washing

    - CIP systems

    - Tanker truck loading and unloading

    - Bio-diesel & bio-ethanol

    - Biological & Flocculated Sludge

    - Calcium Hydroxide

    - Brine & Chemical Bath circulation & evacuation

    - Free Passage of Solids: up to 50 mm

    - Wear Resistant

    - Maintenance: Standardised IEC Electric Motors & Easy Seal Replacement

    - Materials: Investment Cast AISI 316 Construction with numerous sealing system options

Close Coupled Centrifugal Pump Range

Robuschi close coupled range

Discharge Sizes

DN32 – DN80

Discharge Sizes

DN32 – DN80

Discharge Sizes

¾” M – DN65

Max Flow

300 m³/hr

Max Flow

200 m³/hr

Max Flow

100 m³/hr

Max Head

55 m

Max Head

60 m

Max Head

60 m

Max Temp

120ºC

Max Temp

120ºC

Max Temp

120ºC

Materials, Std.

AISI 316

Materials, Std.

AISI 316

Materials, Std.

AISI 316

Sealing

Mechanically Sealed, Single, Double Tandem, Double Back to Back & Packing Gland

Connections

DIN / ANSI Flanged or with Food Grade Connections

Configurations

Bareshaft, Close Coupled, Lantern Bracket, Long Coupled, Vertical Immersion (up to 6 m) & Cantilever Sump (up to 1.8 m)

*For more detailed information on the Salvatore Robuschi range, please contact the Tapflo Team on 02380 252 325

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