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TAZN ( line shaft VS4)
  • TAZN(VS4)
  • TAZN (VS4) acc: API 610
  • Vertical inline pump (VS4)

Rodelta TAZN ( line shaft VS4)

The pump type TAZN (VS4) is a modular single stage centrifugal sump pump that uses hydraulic components from our Z range which comply with API 610 (ISO 13709). This pump offers solutions for thin or slightly contaminated liquids. For less stringent "NON API" applications this versatile unit can be supplied with a wide variety of competitive hydraulic options. See our pump types TAN, TAF, TAE pumps for details.

For alternative specifications contact us.

  • chemical industryChemical Industry
  • General IndustryGeneral Industry
  • Oil & Gas Down streamOil & Gas Downstream
  • Oil & Gas UpstreamOil & Gas Upstream
  • Power generationPower Generation

Rodelta TAZN ( line shaft VS4)

Features: TAZN ( line shaft VS4)

  • According API 610 (VS4)
  • Double volute casing above 80mm reduces radial loads
  • Low NPSHr suits many duties
  • Modular line shaft – Lengths up to 8m
  • Easy maintenance Spacer coupling permits inspection of top bearings, replaceable wear plate
  • Top mounted mechanical seal option
  • Media or external lubrication option
  • Space saving construction
  • Circular or rectangular cover plate to suit


  • Delivery size up to 150mm
  • Capacity up to 300m3/hr
  • Head up to 250m per stage
  • Suitable for liquid Temperature: Up to 250ºC
  • Sealing Arrangement: Gland packing or with mechanical seals
  • Flanges rating: CI. 150/300
  • API material options available, NACE & ATEX approvals available on request


  • Clean liquids
  • Light/medium slurries
  • Light/medium hydrocarbons


  • Amine Sumps
  • Condensate return
  • Flare knock out drum
  • Oily water separation
  • Sour/storm/rain water sumps
  • Wash down pumps
  • Caustic solutions
  • Regen acid tanks
  • Fuel oil/diesel oil sumps

Constructional features:

  • Fully complaint to industrial and customer standards like NORSOK, Shell DEP, Global practices
  • Low OPEX and CAPEX which results in a low total cost of ownership
  • Performance of the pump can be customized to customer requirements by means of a closed, open and semi-open impeller
  • All VS4 models are fully designed to fit mechanical seal in accordance to API682
  • Compact, space saving construction
  • Possibility for extended suction pipe construction. This results in a larger immersion suction depth and  can also lead to lower purchase costs.
    More info extended suction pipe construction.

For less stringent “NON API” applications this versatile unit can be supplied with a wide variety of competitive hydraulic options. See our pump types TAN (VS4), – TAF (VS4), – TAE (VS4) pumps for details.


Request info

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TAZN ( line shaft VS4)

  • Design standard ISO 13709 ISO 13709
  • Features Vertical suspended, volute VS4 type (API610)
  • Capacity @ BEP Upto 300 m3/hr Upto 1320 Gpm
  • Head Upto 220 m Upto 720 feet
  • Temperature range -20 to 250 °C -4 to 480 °F
  • Discharge pressure Upto Cl. 150# Upto Cl. 150#
  • Nozzle Orientation (suc/dis) Discharge through side discharge pipe
  • Standard Motor Sync. Speed 1000/1500/3000 rpm 1200/1800/3600 rpm
  • Max. Operating Speed 3600 rpm
  • Flange ratings(#RF) Cl. 150/300
  • Maximum Suspension Length 14m (higher lengths can be engineered)

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