

Overview: The document provides detailed information about Richter's sealless chemical magnetic drive pumps, specifically the MNK series, which are designed for handling corrosive, hazardous, and pure media across various industries such as chemical, pharmaceutical, and petrochemical.
Fields of Application: These pumps are suitable for environments where stainless steel and other alloys are insufficient due to corrosion, and they serve as alternatives to expensive exotic metal pumps. They are capable of handling solids-laden, crystallizing, toxic, and hot media.
Design Specifications: The pumps are single-stage, fluoropolymer-lined, magnetic drive centrifugal pumps conforming to EN 22858/ISO 2858/ISO 5199 standards. They feature a heavy-duty horizontal design, are sealless, and eddy-current-free, with FDA conformity. Variants include close-coupled, ANSI series, self-priming, and vortex pumps.
Materials and Linings: The pumps use various linings such as PFA, PTFE, PFA-L, and PE-UHMW, with options for antistatic properties. The components are made from materials like ductile cast iron, stainless steel, and carbon-fiber-reinforced fluoropolymer.
Operating Range: The pumps operate at flow rates of 0.1-600 m3/h and can handle temperatures from -60 to 200 °C, with pressures up to 16 bar. Higher temperatures and pressures are available upon request.
Key Features: The pumps include robust plain bearings, a thick-walled housing lining, and a non-metallic double can system to prevent eddy currents. Optional features include the SAFEGLIDE® PLUS system for dry-run optimization and the SAFESEAL™ secondary seal for enhanced protection.
Performance Curves: The document includes performance curves for various pump sizes and configurations, illustrating flow rates and delivery heads at different RPMs.
Additional Options: Optional features include a housing drain, heating jacket, and the SAFERUN® pump monitoring system for enhanced operational safety and efficiency.
SAFESEAL™ SECONDARY SEAL J. Up to 600 m3/h Linings PFA/PTFE, PFA-L, PE-UHMW Up to 200 °C (§1) RICHTER V-—^ Process Pumps &. Valves
Open the catalog to page 1Richter sealless chemical magnetic drive pumps Fields of application Conveyance of corrosive, hazardous and pure media in the chemical, pharmaceutical and petrochemical industries, semi-conductor production, water treatment, pulp, metal processing and waste disposal/recycling industries. The Richter MNK series is rated • for medium to most difficult operating conditions • for media where stainless steel, iron silicon alloy and others do not have sufficient corrosion resistance • as an alternative to pumps made of expensive exotic metals (Hastelloy®, Monel, tantalum etc.) • for solids-laden, crystallising,...
Open the catalog to page 2® The radial rubbing safety surface protects - in the event of a rolling bearing failure - the can from damage by a possibly tumbling drive magnet assembly. @ Bearing pedestal interior can be monitored with optional leak sensor; suitable for conductive media. ® SAFESEAL™ (optional): Innovative secondary seal, developed for greater protection; reduces the medium leaking from the pump to 0,1 %. For this purpose, an additional barrier comprising a PTFE seal is installed in the rolling bearing chamber. Pure, unfilled lining fluoropolymers The linings need no stabilising fillers. Therefore: • considerably...
Open the catalog to page 3Components and materials Item 11 PE-UHMW and antistatic linings Viton®, Kalrez®: TM of DuPont on request SAFEGLIDE®: TM Richter Chemie-Technik GmbH Hastelloy®: TM of Haynes Monel®: TM of Special Metals Corp.
Open the catalog to page 4MNK, MNK-B The pump housing with ductile cast iron armouring absorbs all the hydraulic and pipework forces to DIN/ISO5199. In contrast to partially or non armoured fluoropolymer pumps, no expansion joints are required. Flanges with service-minded through holes to DIN, ANSI, BS, JIS. Available on request: • Housing drain, also serves as a flushing and monitoring connection. • Heating jacket, e.g. for crystal lising or polymerising media Impeller with curved vanes The large metal core ensures dimen sional stability, even at elevated temperatures and high flow rates. Axial forces are reduced...
Open the catalog to page 5Richter Chemie-Technik GmbH Richter Chemie- Technik GmbH Otto-Schott-Str. 2, D-47906 Kempen, Germany Tel. +49(0) 21 52/146-0, Fax +49(0) 21 52/146-190 www.richter-ct.com, [email protected] Publication No. 643en 05.15 © Richter Chemie-Technik GmbH. Subject to change without notice. Printed in Germany. Richter and SAFERUN®: Delivery head - 1450 rpm Hz) Delivery head - 1450 rpm (50 (50 Hz) Delivery head - 1750 rpm Hz) Delivery head - 1750 rpm (60 (60 Hz) * or flow rates up to 600 m3/h (2650 USgpm) F use brochure MNK 200-150-315 Delivery head - 3500 rpm Hz) Delivery head - 3500 rpm (60 (60...
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