PremiumLobe

Hygienic rotary lobe pump with contactless running pump elements, built from rolled stainless steel (no cast iron) with electro-polished surfaces (Ra below 0.4 µm available). 15 standard models from L55sxx to L160l with displacement volumes of 0.010 to 3.410 l/rev, flows up to 163 m³/h, differential pressures from 9 to 80 bar depending on the model, speeds of 800 to 1,400 rpm and connections from DN 15 (1/2 in) to DN 150 (6 in). Front-loaded, modular front-pull-out mechanical seal (SiC/SiC standard; NBR-FDA, Viton-FDA or EPDM-FDA auxiliary gaskets) for quick maintenance, minimal shaft overhang with large bearings for stiffness. Self-cleaning slip effect and CIP (85 to 90 °C) and SIP (120 to 130 °C) cleaning; EHEDG-certified (documents 2 and 8) for residue-free cleaning; ATEX zone 1/21 version. Optional wetted materials 1.4435, 1.4539, 1.4462 and Hastelloy. Used for gentle conveying of chocolate, dough, yoghurt, vaccines and viscous specialities in the food, dairy, bakery, confectionery, pharmaceutical, cosmetics, biotechnology and chemical industries.

Key technical parameters

• Flow rate: up to 163 m³/h
• Pressure: up to 80 bar
• Shaft speed: up to 1400 rpm
• DN outlet: up to DN 150
• Drive: Electric
• Casing material: Stainless steel AISI 316L (1.4404)
• Impeller / rotor material: Stainless steel AISI 316L (1.4404)
• Shaft seal: Front-loaded mechanical seal, SiC/SiC
• Pump standard: EHEDG
• ATEX certified
• EHEDG / 3-A certified

Media handled

• Liquids: Chocolate, Food paste, Product for personal hygiene
• Media properties: Low viscosity, High viscosity, Contains solids, Shear-sensitive

Applications and industries

• Food & beverage
• Pharmaceutical
• Cosmetics
• Chemical

Industries: Food and Beverage, Pharmaceutical.