Sintered Welded Lamp Viewing Glass

Sintered Welded Lamp Viewing Glass

Lumistar sintered welded lamp viewing glass — compact, hygienic glass-to-metal unit for sterile process observation. Designed for NA-Connect  and DIN fittings, ideal for food, beverage, and pharmaceutical applications.

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Description

The Lumistar sintered welded lamp viewing glass (NA-Connect) is an extremely compact, high-security welded sightglass designed for lamp-style connections and hygienic process lines. The glass is sintered and welded into a stainless steel holding ring to create a robust, leak-tight assembly suitable for sterile and CIP applications. Its compact construction and high safety margin make it ideal for visual inspection in food, beverage, cosmetic and pharmaceutical plants.

Why choose a Sintered Welded Lamp Viewing Glass?

The Lumistar sintered welded lamp viewing glass (NA-Connect) delivers a compact, hygienic and highly reliable sighting solution for modern process lines. Its borosilicate glass is sintered and welded into a stainless-steel holding ring to create a leak-tight, low-profile assembly that is easy to clean, simple to install and engineered for sterile/CIP environments. Designed for hygienic fittings, it minimises dead-space, provides predictable failure behaviour and comes with material and test documentation to support regulated food, beverage and pharmaceutical projects.

Product at a glance

  • Standard: Sintered Welded Lamp Viewing Glass
  • Window: Sintered borosilicate glass (porous structure), custom porosity on request.
  • Body: Stainless steel 304 / 316 housings; special alloys on request.
  • Mounting: Flanged, weld-on or cartridge styles.

Typical specifications

 

Sintered Sight Glass — Specifications

Type Sintered Welded Lamp Viewing Glass
Window material Sintered borosilicate glass
Body material Stainless steel 304 / 316
Nominal Temperature 150°C
Pressure
  • 7 bar
  • Higher pressures possible
Material certificates Certificate of conformity to EN 10204-3.1B or 3.1A
Technical data of Lumistar sightglasses:
  • Test base: DGRL97/23/EG,AD 2000 standards.
  • Materials to Vd specifications and the respective DIN/EN standards.
  • Sight glass fused to metal conforming to DIN 7079
  • Borosilicate glass to DIN 7080
Ring materials  

  • Duplex Stainless Steel (1.4462)
  • Hastelloy C-22 (2.4602)
  • Hastelloy C-4 (2.4610)
  • Other materials available

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

Features & benefits

  • Extremely compact construction for tight installation spaces

  • High security and reliable atmospheric-side sealing

  • Easy installation and replacement in NA-Connect  fittings

  • Suitable for sterile applications and CIP cleaning

  • Low-profile lamp design reduces dead space and is easy to sanitize

Applications

  • For Lumistar NA-Connect  connections with connection sizes to DIN 32 676 / ISO 2852

  • Ideal for sighting and lamp viewing in sterile process lines, tanks, pipelines and hygienic equipment

Downloads

Sintered Welded Lamp Viewing Glass — Datasheet (PDF):sintered welded lamp viewing glass

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