Lumistar Aseptic Threaded Connection Type Sight Glasses LMV-S

The LMV-S provides a hygienic, threaded sighting solution for bioreactors, lab vessels, mixers and closed tanks. Featuring a sintered borosilicate window for added mechanical stability, weldable brackets for secure mounting, and multiple gasket/O-ring options to match temperature, chemical and CIP requirements. Custom porosity and diameters available on request.

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Description

The Lumistar LMV-S is an aseptic, threaded connection sight glass designed for sterile process observation in bioreactors, laboratory vessels, mixers, filters, oil tanks and similar closed systems. The design provides a hygienic visual window suitable for use in pharmaceutical, food and other clean process environments. Weldable threaded brackets allow secure attachment to vessels.

Why choose a Lumistar Aseptic Threaded Connection Type Sight Glasses LMV-S?


Lumistar MV threaded sight glasses combine hygienic design with practical flexibility — ideal when you need a reliable, easy-to-install sighting solution for welded vessels and screwed fittings. The MV series features weldable threaded brackets for secure mounting, compatibility with DIN 11851 style fittings, and choice of soda-lime or borosilicate glass plus multiple gasket/O-ring materials to match your temperature, chemical and CIP requirements.

Product at a glance


  • Standard: Lumistar Aseptic Threaded Connection Type Sight Glasses LMV-S
  • Window: Sintered borosilicate glass , custom porosity on request.
  • Body: Stainless steel 304 / 316 housings; special alloys on request.

Typical specifications


 

Sintered Sight Glass — Specifications

Type Lumistar Aseptic Threaded Connection Type Sight Glasses LMV-S
Window material Sintered borosilicate glass
Body material Stainless steel 304 / 316
Temperature Up to 280C, choose the appropriate gasket according to the temperature
Pressure Max. 25 bar, depending on the size of the unit, vacuum
Scope of application It is used to observe the inside of bioreactors, laboratory mixers, filters, iron drums, oil tanks, agitators, separators, pipes and other similar closed vessels. Suitable for use in sterile areas and in the pharmaceutical and food industries.
Components & typical materials
  • Guide nuts:Stainless steel 1.4301 (1.4307) or 1.4404
  • Gaskets:EPDM/HNBR/MVQ
  • Glass:Borosilicate tempered glass (DIN 7080) — max ~280 °C
  • Welded brackets:Stainless steel 1.4404 / 1.4435
  • Sintered sight glasses:The material of the ring is selectable:1.4462~280℃ ,2.4602,24605,3.4610~280℃
Installation After the bracket  is welded to the container wall, the sealingring is sintered The sight lens and  are stacked sequentially as shown in the figure, and pass through the guide Fix to the nut and the welding bracket. Note: Please detect sintered visionLens lens and O-ring , whether or not mounted on the device The exact location!

Need a custom porosity or diameter? Contact us for a quote.

Features & benefits


  • Hygienic aseptic threaded connection compatible with DIN-style fittings.

  • Sintered lens option for enhanced mechanical stability and safety.

  • Weldable bracket for secure, permanent vessel integration.

  • Multiple material and gasket choices for broad process compatibility.

  • Suitable for sterile and food-grade environments.

Applications


  • It is used to observe the inside of bioreactors, laboratory mixers, filters, iron drums, oil tanks, agitators, separators, pipes and other similar closed vessels. Suitable for use in sterile areas and in the pharmaceutical and food industries.

Downloads

Lumistar Aseptic Threaded Connection Type Sight Glasses LMV-S — Datasheet (PDF):Lumistar Aseptic Threaded Connection Type Sight Glasses LMV-S