Sealed Magnetic Stirrer
Sealed Magnetic Stirrer
Sealed Magnetic Stirrer
Sealed Magnetic Stirrer
Sealed Magnetic Stirrer

Stainless Steel industrial sealed permanent High Shear Emulsifying magnetic stirrer

JN-MS-1001-5
Size: DN50–DN200.
Grade: SS304/SS316L.
Standard: DIN, SMS, 3A.
Working pressure: Vacuum–1.6 MPa.
Test pressure: 2.4 MPa.
Temperature Range: -20°C to 180°C.
PTFE seals: excellent chemical resistance.
Viton seals: high-temperature sealing reliability.
Quantity:
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Stainless Steel industrial sealed permanent High Shear Emulsifying magnetic stirrer
 
TheStainless Steel industrial sealed permanent High Shear Emulsifying magnetic stirrer is an aseptic, leak‑free mixing device specifically designed for tanks, reactors, blending vessels, and other equipment in high‑cleanliness industries such as food & beverage, biopharmaceuticals, dairy, and daily chemicals. The permanent magnetic stirreruses an AISI 304/316L sanitary stainless steel mixing head and blades, combined with a magnetic coupling drive mechanism and a high‑efficiency motor. Its core function is to achieve uniform mixing, dissolution and dispersion, suspension and anti‑settling, as well as reaction mass transfer of the medium inside the tank. It perfectly suits processes such as aseptic fermentation, ingredient blending, finished product storage, CIP/SIP online cleaning, and high‑temperature steam sterilization. The equipment follows international cleanliness standards including FDA, 3‑A, GMP, CE and ASME BPE. All wetted parts are mirror electrolytically polished (Ra≤0.4μm), with no dead corners, no retention, and no liquid accumulation. It offers advantages such as zero leakage, no cross‑contamination, stable operation, and easy maintenance, making it a key device for aseptic mixing in clean production lines.

TheStainless Steel Sealed Magnetic Stirrer is superior to traditional mechanical seal mixers, side‑entry mixers, and industrial‑grade mixing equipment in terms of sealing performance, hygienic grade, installation adaptability, and operational stability. It precisely solves the core problems of aseptic mixing, leakage prevention, and cross‑contamination in the clean industry.

  • Compared with traditional mechanical seal mixers, this product uses a magnetic coupling drive with a contact‑free sealing design, completely eliminating shaft seal leakage and achieving true zero‑leakage aseptic mixing. Mechanical seal mixers are prone to seal wear and leakage, failing to meet high‑cleanliness aseptic requirements.

  • Compared with side‑entry mixers, this product is top‑mounted, allowing the mixing impeller to reach deep into the tank, providing more uniform mixing and adapting to various small‑ and medium‑sized tanks and reactors. Side‑entry mixers have limitations regarding tank geometry.

  • Compared with industrial‑grade mixing equipment, this product features a fully sanitary dead‑leg‑free design, passes CIP/SIP cleaning validation without residue, and eliminates cross‑contamination risks. Industrial‑grade mixers have rough flow paths that trap dirt and cannot meet the compliance requirements of food and pharmaceutical high‑cleanliness applications.

TheStainless Steel industrial sealed permanent High Shear Emulsifying magnetic stirrer mainly consists of a sanitary stainless steel mixing impeller and sealing seat, a magnetic coupling drive mechanism, a high‑efficiency motor, and a mounting flange. The equipment is installed via the top flange of the tank. The motor drives the external magnetic rotor, which through magnetic coupling rotates the internal magnetic rotor together with the mixing shaft, achieving mixing of the medium inside the tank. The magnetic coupling drive transmits power from the motor to the mixing shaft without contact, completely eliminating the mechanical shaft seal and achieving zero leakage. The mixing blades have a dead‑leg‑free design, providing uniform mixing, suspension and anti‑settling with no mixing dead zones. All wetted parts are mirror polished and can be fully cleaned by CIP/SIP online cleaning, ensuring no media residue and meeting aseptic production requirements.

 

Accessories

 Component & Material Table
  • Maximum Flow Rate：N/A (Tank-mounted mixing equipment, no direct pipeline flow rate)
  • Maximum Pressure：0.1 MPa ~ 1.6 MPa (standard 0.6 MPa, high-pressure model up to 2.5MPa)
  • Max speed：0 ~ 300 rpm (adjustable via frequency conversion, motor speed 1450rpm)
  • Body Material：304 / 316L Food-Grade Stainless Steel (contact parts),High-performance NdFeB permanent magnet
  • Body Types：Tank Bottom Mounted, Magnetic Coupling Drive, Sanitary Grade
Product Parameter Details
  • Diaphragm Seal：Food-Grade EPDM / PTFE / Silicone (FDA certified, Viton optional forspecial media)
  • Actuation Type：Motor-Driven (SEW brand optional), Frequency Conversion Control,Explosion-proof type available
  • Handle Brand：Custom OEM, 304 Stainless Steel Handwheel for manual adjustment(optional)
  • Inlet & Outlet Sizes：N/A (Tank-mounted equipment, no direct pipeline inlet/outlet)
  • Max Temperature：-20°C ~ 180°C (standard 0 ~ 121°C for SIP sterilization)
  • Surface Treatment：Electropolishing (Ra  0.4um), Pickling & Passivation, MirrorPolishing
  • Certification：CE, FDA, GMP, 3A, EHEDG, ISO 9001
  • Connection Type：Sanitary Flange, Tri-Clamp (Tri-Clover), DIN/SMS/3A/ISO standard

Digital advantages

  • Full Traceability for Hygiene Compliance: Each product is equipped with a unique traceability QR code, recording in detail material heat numbers, processing parameters, inspection reports, and other core data. Cloud‑based long‑term storage allows on‑demand query, meeting FDA/GMP/3‑A audit requirements and helping customers pass hygiene audits.

  • Magnetic Coupling Zero‑Leakage Drive:The magnetic coupling drive mechanism uses a contact‑free sealing design, completely eliminating shaft seal leakage and achieving true zero‑leakage aseptic mixing, avoiding media contamination and cross‑contamination, and meeting aseptic production requirements.

  • Top‑Entry Installation, Efficient Adaptability: Top‑entry installation reaches deep into the tank for more uniform mixing. Suits various small‑ and medium‑sized tanks and reactors. Installation and maintenance are convenient without needing to disassemble the tank body, greatly reducing installation and maintenance costs and increasing production line uptime.

  • Stable Adaptation to Wide Operating Conditions: Working temperature -20℃ ~ 130℃, supports SIP high‑temperature steam sterilization. 304/316L stainless steel offers excellent corrosion resistance, suitable for water, beverages, dairy, pharmaceutical liquids, sauces, and many other clean media – highly versatile.

  • Dead‑Leg‑Free Mixing, Easy to Clean:The stainless steel mixing impeller has a dead‑leg‑free design, mirror polished surface, and can be fully cleaned by CIP/SIP online cleaning with no media residue, eliminating cross‑contamination and comprehensively raising the hygiene standard of the mixing system.

Stainless Steel industrial sealed permanent High Shear Emulsifying magnetic stirrer
 
Feature (F)、Advantage (A)、Benefit (B)
  1. Raw Material:
  • F:  The mixing impeller, sealing seat, flange and all wetted parts are integrally precisionmachined from AISI 304/316L low-carbon sanitary stainless steel. Material heat numbers are fullytraceable. No welded seams, impurities, blowholes or residual stress. The magnetic couplingdrive uses high-quality permanent magnet materials with no contact wear and long service life.The motor is high-efficiency, energy-saving, and operates with low noise.
  • A:304 stainless steel is suitable for conventional clean media such as food, beverage, anddairy, offering good cost-effectiveness. 316L stainless steel resists acids, alkalis, CIP cleaningfluids, and high-temperature steam, making it suitable for more corrosive clean applications likepharmaceuticals. The material is stable, non-leaching, and will not contaminate media. Themagnetic coupling drive has no contact wear, completely eliminating shaft seal leakage andachieving true zero-leakage aseptic mixing. The stainless steel impeller is corrosion-resistant,easy to clean, and suitable for various clean media with no media residue over long-term use
  • B: Solves the pain points of traditional mixers such as shaft seal leakage, media contamination,and non-compliance with hygiene standards. Meets FDA/GMP/3-A compliance requirements.Extends equipment service life, reduces customer maintenance, replacement, and productcontamination risks. Ensures the mixing process is aseptic, leak-free, stable and reliable, helpingcustomers pass hygiene audits.
  1. Processing Technology:
  • F:: The mixer is CNC precision machined and integrally formed. The mixing impeller and sealingseat are mirror electrolytically polished to Ras0.4um. The magnetic coupling drive has precisecoaxiality control. The whole assembly is pressure-tested, non-destructively inspected, andpickling & passivation treated. No oxidation, burrs or dead corners, fully meeting sanitaryprocessing standards.
  • A: The impeller surface is smooth, does not trap material or liquid, and allows thorough CIP/SIPcleaning with no residue. The magnetic coupling drive has high coaxiality, high transmissionefficiency, stable operation and low noise. The flange sealing face is flat, fits tightly against thetank, and has no leakage risk. The integrally formed structure has high strength, does not deformor leak under long-term use, and withstands fluid impact and thermal cycling.
  • B:  Comprehensively improves equipment hygiene level and mixing stability. Simplifies cleaningvalidation. Avoids residue and cross-contamination. Reduces downtime for maintenance. Helpscustomers successfully pass hygiene audits and system certifications.
  1. Structure Feature:
  • F:  Top-entry magnetic mixer structure, no mechanical shaft seal, magnetic coupling drive,integrally formed stainless steel mixing head and blades. Fully rounded transitions with no deadcorners. No turbulence, no liquid accumulation, self-draining. Compact structure, small footprint,flexible installation, suitable for various small- and medium-sized clean tanks and reactor layouts.
  • A: Top-entry installation reaches deep into the tank for more uniform mixing with no blindzones. Magnetic coupling drive has no contact wear, zero-leakage aseptic mixing, completelyeliminating cross-contamination. The dead-leg-free impeller design suits different tank mixingrequirements. The absence of a mechanical shaft seal makes maintenance easy, with no periodicseal replacement, reducing operating costs.
  • B:  Solves industry pain points of traditional mixers such as leakage, contamination, difficultcleaning, and tedious maintenance. Improves aseptic reliability and stability of the mixingprocess. Reduces labor intensity and material consumption. Ensures continuous, efficient, safe,and compliant production.
  1. Core Accessory Feature:
  • F:: Modular, easy-to-disassemble design. The mixing impeller and sealing seat can be quicklyremoved for cleaning. The magnetic coupling drive has no mechanical shaft seal, so no periodicseal replacement is needed. The equipment has a low failure rate. Routine maintenance onlyrequires periodic inspection of the motor and drive mechanism. Easy maintenance, low cost ofconsumable parts.
  • A:  Zero-leakage aseptic mixing prevents media contamination and cross-contamination. Themagnetic drive runs smoothly with no mechanical wear, providing long service life. Mixing isuniform with no blind zones, effectively preventing media settling and stratification. Low noisehas minimal impact on the production environment. Can run continuously for long periods,suitable for high-load industrial production.
  • B:Significantly improves product quality and production stability. Reduces material loss andcross-contamination risks. Meets high-cleanliness, aseptic, long-term use requirements.Enhances overall production stability and economic benefits.
  1. Seal Ring Feature:
  • F: Modular, easy-to-disassemble design. The mixing impeller and sealing seat can be quicklyremoved for cleaning. The magnetic coupling drive has no mechanical shaft seal, so no periodicseal replacement is needed. The equipment has a low failure rate. Routine maintenance onlyrequires periodic inspection of the motor and drive mechanism. Easy maintenance, low cost ofconsumable parts.
  • A: Simple maintenance operations; cleaning and upkeep can be done on-site. No mechanicalshaft seal means no frequent seal replacement, reducing maintenance costs. Robustconstruction and low failure rate reduce downtime, improving equipment utilization
  • B:: Reduces equipment maintenance costs and downtime. Improves equipment operatingefficiency. Ensures continuous, high-efficiency production, reducing production losses due tomaintenance
 
Stainless Steel industrial sealed permanent High Shear Emulsifying magnetic stirrer
 
Nominal Power：0.37 ~ 5.5 kW (customizable)
Maximum Working Pressure：10 bar (1.0 MPa), hydrostatic test pressure 1.5 MPa
Body Material：AISI 304/316L low carbon sanitary stainless steel, integralprecision machining, no splicing or miscellaneous materialsosion treatment
Drive Type：Magnetic coupling drive, no mechanical shaft seal, zeroleakage
Installation Type：Top-entry flange connection, compatible with standardtank/reactor flanges
Working Temperature：Long-term working temperature: -20°C~ 100°C; Short-termSIP online sterilization: ≤120°C
Surface Treatment：Electrolytic polishing on wetted parts, roughness Ras0.4um(customizable to Ras0.2um)
 
 
 
 

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