Vogel Series LSN

Summary

Product identification

• Vogel Series LSN Volute Casing Pumps
• Built according to ISO 2858 / EN 22858, ISO 5199 / EN 25199, ISO 3069, ISO 3661.
• Design versions conform to ISO 5199 / EN 25199.
• ISO 9001 + 14001 certified.
• Heavy duty design for long-term industrial operation.

Operating limits

• Performance Range:
  • Capacity: up to 500 m³/h (1980 USgpm)
  • Head: up to 150 m (492 feet)
  • Speed: 2950/3550 rpm
• Pump Sizes: DN 25 up to DN 150 (1“ up to 6“) Discharge
• Temperature: -40 °C up to +180 °C (-40 °F up to +350 °F)
• Casing Pressure:
  • Up to 16 bar (235 psig)
  • For pump sizes 50-32-315, 65-40-315, 80-50-315, 100-65-315, 125-80-315, and 125-100-315: up to 25 bar (363 psig)
• Bearing Life: L10 bearing life in excess of 25,000 hours.
• Shaft Deflection: Less than 0.05 mm.

Feed water

• Clean and slightly contaminated fluids (without bigger solids)
• Cold and hot water
• Condensate and desalinated water
• Oil, brine, caustic and acid
• Suspensions
• Ability to handle liquids containing entrained gases (with optional Inducer).

Product water

• Applications include:
  • Water supply and water treatment
  • Cooling water supply
  • Hot water circulation
  • District heating
  • General industry
  • Food and beverage industry
  • Filter systems, ultra filtration
  • Coolant filtration
  • Parts washing machines
  • Galvanisation and painting systems

Electrical

• Performance Speeds:
  • 2950 rpm (50 Hz)
  • 3550 rpm (60 Hz)
  • 1450 rpm (50 Hz)
  • 1750 rpm (60 Hz)
• Operating Options (with HYDROVAR):
  • Energy savings up to 70%.
  • Microprocessor-based pump controller for variable speed operation.
  • Supports Constant Pressure, Constant Flow, System Characteristics, and Actuator Mode.
  • Controller modes "Normal" and "Invers" for frequency adjustment based on signal measuring.

Mechanical / hydraulic

• Standard Materials:
  • Ductile iron - 0.7043
  • Stainless steel - 1.4408
  • Duplex - 1.4517
• Key Components and Materials (based on options NL, VV, WW):
  • Casing: Ductile Iron, 316SS, Duplex SS
  • Seal Chamber / Stuffing Box Cover: Ductile Iron, 316SS, Duplex SS
  • Support Foot: Carbon Steel
  • Shaft: Stainless Steel (1.4021)
  • Impeller: Cast Iron, 316SS, Duplex SS
  • Radial Bearing: Single Row, Ball Bearing
  • Thrust Bearing: Double Row Angular Contact Ball Bearing
  • Bearing Bracket: Cast Iron
  • Lantern: Ductile Iron
  • Case Gasket: Non-Asbestos Aramid Fiber
  • O-Ring for Shaft Sleeve & Impeller Nut: Teflon
  • O-Ring for Bearing Bracket: Viton
  • Oil Seal, Inboard: Lip Seal (Buna & Steel)
  • Oil Seal, Outboard: Lip Seal (Buna & Steel)
  • Flinger: Noryl 66
  • Shaft Sleeve: Duplex SS (1.4462)
  • Oil Filler Plug: Steel
  • Casing Bolts, Hex Cap Screw: Stainless Steel (A2)
  • Drain Plug: Steel Magnetic Tipped
  • Case Drain Plug: 316SS
  • Impeller Nut: Duplex SS
  • Bearing Lock Nut: Steel/Nylon
  • Snap Ring / Circlip: Carbon Steel
  • Impeller Key: Carbon Steel
• Optional Parts and Materials:
  • Inducer: Duplex SS (1.4462)
  • Packing Gland: 316SS
  • Lantern Ring: glass fibre PTFE
  • Packing: PTFE Impregnated
  • Wear Ring: 1.4462
  • Oil Level Sight Glass: Glass/Plastic
• Design Features:
  • Casing: Heavy duty, top centerline discharge with integral cast feet, minimum 3 mm corrosion allowance, back pull-out design, standard 3/8” NPT casing drain, optional renewable wear ring, confined casing gasket.
  • Impeller: Precision-cast enclosed design, back vanes or balance holes to reduce axial thrust, key driven.
  • Shaft Sealing Environment: Wide choice of sealing arrangements. Patented "cyclone" seal chamber with spiral grooves, enlarged radial clearance, and large volume for improved lubrication, cooling, and solid handling. Self-venting design. Seal chamber dimensions according to ISO 3096 / DIN 24960. Optional Vogel mechanical seals (stationary, balanced, no dynamic O-rings, springs outside pumped liquid, integrated shaft sleeve).
  • Bearing Frame: Robust design with large capacity oil sump, rigid shaft made of corrosion-resistant stainless steel (1.4021), double lip seals, magnetic drain plug. Options include labyrinth seals and oil sump cooling for temperatures > 160 °C.
  • Inducers (Optional): Reduces pump NPSH value by 25% down to 50%. Available for pump sizes DN 32 and bigger. Standard material Duplex 1.4462.
  • Ductile Iron Lantern / Frame Adapter: Provides safe and accurate alignment, with large adapter windows for installation and maintenance.

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Disclaimer: This summary is based solely on the provided text extract. It may not include all figures, footnotes, or the latest revisions present in the official OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror