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Richter Self-Priming Chemical Process Pump - PFA PTFE Lined Magnetic Drive Mechanical Seal

Richter Self-Priming Chemical Process Centrifugal Pumps

Richter Self-Priming Chemical Process Pumps are fluoroplastic-lined centrifugal pumps that prime automatically without foot valves, vacuum pumps, or external priming systems. Available with sealless magnetic drive (MNK-S series) for zero-emission applications or RG4 SiC mechanical seal (SCK-S series) for solids-handling requirements, these pumps deliver reliable suction lift performance with PFA, PTFE, or conductive PFA lining for exceptional chemical resistance.

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Manufactured by Richter Chemie-Technik GmbH, Germany, the self-priming variants are based on the proven MNK and SCK pump platforms with a modified casing design that enables automatic air evacuation and priming. This eliminates foot valves — a common failure point — and simplifies installation in tank emptying, drum unloading, tanker loading, and suction lift applications. With SAFEGLIDE PLUS bearings, ATEX certification, and temperatures from -60°C to +200°C, these pumps provide safe and efficient self-priming operation with corrosive, toxic, and hazardous chemicals.

Self-Priming Pump Models

Series Drive Type Size Range Temperature Lining
MNK-S Sealless Magnetic Drive DN 25 to DN 200 -60°C to +200°C PFA, PTFE, Conductive PFA
SCK-S RG4 SiC Mechanical Seal DN 25 to DN 150 -60°C to +180°C PFA, PTFE, Conductive PFA
Product Datasheet

Download Self-Priming Chemical Process Centrifugal Pumps Brochure

Detailed technical specifications, performance curves & selection guide

Download PDF PDF · ~2 MB
-60°C to
Temperature
PN16
Pressure
Self-Priming
Pump Type
PFA, PTFE,
Lining Materials

General Specifications

Pump Type
Self-Priming Centrifugal
Lining Materials
PFA, PTFE, Conductive PFA
Housing Material
EN-JS 1049 / ASTM A 395 Ductile Iron
Pressure Rating
PN16
Temperature Range
-60°C to +200°C (MNK-S)
Self-Priming
Yes — no foot valve or auxiliary equipment required
Flange Standards
ISO 7005-2 Type B / ASME B16.5 Class 150
Certifications
ATEX 2014/34/EU, EU Machinery Directive 2006/42/EC

Key Features & Advantages

Automatic Self-PrimingEvacuates air from suction line and primes automatically — no foot valves, vacuum pumps, or priming systems needed
Magnetic Drive Option (MNK-S)Sealless design for zero fugitive emissions when handling toxic and hazardous chemicals
Mechanical Seal Option (SCK-S)RG4 SiC seal with deflection-resistant shaft for fluids containing suspended solids
Fluoroplastic LiningPFA, PTFE, and conductive PFA provide exceptional chemical resistance
Eliminates Foot ValvesRemoves the most common failure point in suction lift installations
SAFEGLIDE PLUS BearingsDry-running optimized SSiC bearings (magnetic drive variant)
Wide Temperature Range-60°C to +200°C for cryogenic to high-temperature service
ATEX CertifiedCompliant with EU ATEX Directive 2014/34/EU for explosive atmospheres

Applications

Tank Emptying & Transfer
Drum & IBC Unloading
Tanker Loading & Unloading
Suction Lift Applications
Chemical Recirculation
Sump Pumping
Underground Tank Transfer
Acid & Caustic Transfer
Hazardous Waste Handling
Chemical Loading Stations
Process Drain Collection
Mobile Pumping Units

Why Choose Target Marketing for Richter Self-Priming Pumps?

Authorized Richter DealerOfficial channel partner with genuine product warranty and factory support
Expert Application SupportTechnical team assists in selecting between magnetic drive and mechanical seal based on your fluid and installation requirements
Complete Spares & ServiceGenuine Richter spare parts readily available
End-to-End SupportFrom enquiry to installation, commissioning, and maintenance
Quick DeliveryFast turnaround on orders and configurations

Need a Quote for Self-Priming Chemical Process Centrifugal Pumps?

Talk to our application engineers for hydraulic selection, MOC review and TCO comparison.

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Frequently Asked Questions

What is a self-priming chemical process pump?

A self-priming chemical process pump can evacuate air from the suction line and create vacuum to draw fluid from below the pump level without foot valves, vacuum pumps, or external priming systems. Richter self-priming pumps (MNK-S and SCK-S) achieve this with a fluoroplastic-lined design for full chemical resistance.

The MNK-S uses a sealless magnetic drive for zero-emission containment of toxic and hazardous fluids. The SCK-S uses an RG4 SiC mechanical seal, which is preferred for fluids containing suspended solids or for applications requiring higher flow rates. Both offer identical self-priming capability with PFA/PTFE lining.

No. Richter self-priming pumps prime automatically without foot valves or any auxiliary priming equipment. This simplifies installation, reduces maintenance, and eliminates a common failure point in suction lift applications.

Self-priming pumps are ideal for tank emptying, drum unloading, suction lift applications, installations where the pump is above the liquid level, tanker loading/unloading, and any application where maintaining prime is difficult or foot valves are impractical.
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