L (LFI / LFT / LVI / LVT)

KRAL L series compact three-screw pumps with a one-piece casing, built-in overflow valve and self-venting through the medium. Delivery rate 5 to 160 l/min (up to 9.6 m³/h), pressure up to 63 bar, temperature -20 to 180 °C (300 °C with magnetic coupling), viscosity 1.1 to 7,000 mm²/s. Horizontal (LFI, LFT) and vertical pedestal (LVI, LVT) designs, heating electrical, by medium or steam, marine approvals and ATEX II 2 GD b/c.

Key technical parameters

• Flow rate: up to 9.6 m³/h (160 l/min)
• Pressure: up to 63 bar
• Fluid temperature: -20 to 180 °C (300 °C with magnetic coupling)
• Viscosity: 1.1 to 7,000 mm²/s
• Installation: Horizontal (LFI, LFT) or vertical pedestal (LVI, LVT)
• Casing material: Nodular cast iron EN-GJS-400
• Screw material: Nitrided steel
• Seal: Radial shaft seal, mechanical seal or magnetic coupling
• Approvals: ABS, BV, CCS, DNV, GL, LRS, MRS, NK, RINA, KR; ATEX II 2 GD b/c

Media handled

• Liquids: Lubricating oil, Fuel oil, Oil (mineral)
• Media properties: Low viscosity, High viscosity

Applications and industries

• Marine
• Oil and gas
• Power generation
• Mechanical engineering and chemical industry