QL and QLQ Vertical Double Suction, Twin Volute Wet Pit

The Flowserve QL vertical, double suction pump has a single impeller and true twin volute design that produces more head and can operate at higher speeds than conventional, multistaged vertical turbine models. It can be used in all wet pit applications and virtually eliminates erosion and corrosion of the shaft, bearings and all internal components.

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  • Brands:
    Worthington
  • Applications:
    Water Supply and Distribution (water), Descaling, Water and CO2 Injection, Agriculture, Flood Control, Cooling Water (metals), Sewage Collection and Treatment, Dewatering and Water Supply (mining), Fire Protection, Water Treatment, Ground Water Development and Irrigation, Leaching Acid, Cooling Water (power)
  • Industries:
    General Industries, Mining, Water Resources, Power Generation, Primary Metals, Oil and Gas

Double Suction (First Stage) Impeller features large passageways and produces balanced hydraulic thrust for a stable performance curve with low shut-off pressure.  The double-suction design on multistage pumps permits higher head and orating speed than vertical turbine models while maintaining excellent suction attributes.

Heavy Walled, Twin Volute Casing with robust transition diffuser moves liquid from casing to column through large waterways at low liquid velocity, minimizing corrosion, erosion and radial loads on bearings.

Suction Bells efficiently direct liquid into the impeller inlets with minimum resistance.

Bottom Liquid End Bearing is sealed for life with grease.

Optional Impeller Wear Rings enable restoration of original clearances for increased efficiency.

Operating Parameters

  • Flows to 25 000 m3/h (110 000 gpm)
  • Heads to 500 m (1640 ft)  
  • Pressures to 70 bar (1015 psi)  
  • Temperatures to 200°C (400°F)  
  • Column sizes to 1500 mm (48 in)

QL Vertical, Double-Suction, Twin Volute, Wet Pit Pump Chart

QL Vertical, Double-Suction, Twin Volute, Wet Pit Pump App

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Flowserve Recursos hidráulicos: Captación y conducción de agua; Tratamiento y distribución; Aguas residuales; Riego; Control de inundaciones, diques secos y drenaje

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Flowserve Wasserversorgung Wassergewinnung und Wasserversorgung, Aufbereitungs- und Verteileranlagen, Abwasser, Bewässerungsanlagen, Hochwasserschutz, Trockendocks, Entwässerung

Water Resources Pumps

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QL Series Pumps Bulletin

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Flowserve QL Series Pumps - Vertical, Double-Suction Twin-Volute Turbine Pumps - QL – QLQ – QLC – QLQC

QL Pump Poster

Flowserve QL Pumps - Vertical Wet-Pit, Double-Suction, Twin-Volute Pump

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RTN-R Certificate Arnage

RTN-R Arnage Pump type: CPX, CNX, LC, LCB, ME, MHP, DS, MEN, MENBLOC, GWP, SVCN, SVC, HNN, LC-V, FV, LNN, LNE, LN, LNS, SL, LNGT, MP, HE, HED, HXB, HVC, RHC, UYD, JTC, UYS, F, NM, NMD, NMDA, WDX, NMAD, AS, WTB, AC, NMS, VF, HHS, HS, L, M, EK, SP, CSO, LCS, ECPJ, QL, AH, ERPJ, MEN-SP, CPXV, PL-C, LCP, WY, WB

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Water Resources Pumps

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8.5 x 11
A4

Flowserve Pumps for Water Resources - Source Water and Water Transmission; Treatment and Distribution; Waste Water; Irrigation; Flood Control, Dry Docks and Drainage

RTN-R Certificate Desio

RTN-R Desio Pump type: HPX, HPXM, HNN, HNN-SL, HNNW, HI, HPX-SL, HPX-TOP, HWX, HWM, HL, W, DSVP, WM, LN, LPL, LPN, LPLD, SP, DVS, UZD, UZDL, HED, HED-DS, CGT, HNI-DS, HDX, J, JD, JH, JS, UXH, WC, WNC, VTR, VTM, VTH, QL, QLC, CTR-Can, VTC, QLC, QLQC

VPC Vertical Turbine, Double Case Pump

Description: The VPC vertical turbine, double casing pump is a diffuser type, single or multistage design for services with limited NPSH available.

QLC and QLQC Vertical Double Case, Double Suction Twin Volute

Description: The QLC and QLQC are double casing, double suction, vertical turbine pumps. Available in single or multistage units and featuring true twin volutes, these pumps incorporate the proven hydraulics of the QL and QLQ into a double casing configuration.

APKD Vertical, Double Case, Double Suction Pump

Description: The double case APKD features an innovative, double suction impeller in a true twin-volute design that produces more flow and higher head at lower NPSHR and can operate at higher speeds than conventional vertical turbine pump models.

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