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DIN11851 Sanitary Flanged Sight Glass with Light Indicator

Sunthai supplies flanged sight glass with LED. The LED light is powered by battery. And the battery is rechargeable lithium battery
Surface treatment:
  • Sunthai
  • SS304/SS316L

DIN11851 Sanitary Flanged Sight Glass with Light Indicator


Body material: SS304, SS316L
Gasket  Material: PTFE/Silicone
Max working pressure: 3000PSI
Max Working Temperature:

140 °C (PTFE)

Common size: 1.5″-6″, DN40-DN150
Connection end: Flanged
Technics: Forged
Glass: Tempered glass
Applications: Food processing, pharmacy, beverage, brewery, dairy, chemical, and etc.
Surface treatment: CNC machined

If you are interested in this product, please be free to contact us for more details.


  • Seal(Gasket): EPDM, SILICON, VITON, PTFE.

  • Working Temperature range:

    The maximum temperature for soda-lime glass is 150℃, rapid change range is from 120℃ to 20℃.

    The maximum temperature for toughened borosilicate glass is 280℃, rapid change range is from 230℃ to 20℃

    The maximum temperature for fused silica glass is 800℃, rapid change range is from 500℃ to 20℃.

  • Max Pressure:10Bar(145PSI)

  • The sanitary sightglass is precisely CNC machined. Surface roughness Ra≤0.6μm

  • Cable power supply AC110V-220V,DC24V OR wireless power supply,one charging can use 2-3 months (depending on the frequency)

1. welded flange should be clean and no damage, installed under the direction of the professional.

2. Please confirm the foundation of the sight glass is smooth; the gasket between the sight glass and the foundation is flattening, and without damage or grease. Make sure the sight glass and the cover installed perfect right before fix the bolt, then tightening the screw slowly.

3. The sight glass is allowed to work in a reasonable pressure range, otherwise the operation will be dangerous
SUNTHAI’s sightglass series include:inline tubular sight glass,union type welded sight glass,4 way sightglass flanged sight glass.And some sight glass can be with indicator or wiper


Contact us

 Address:Binhai Economic Development

Area,Wenzhou,Zhejiang,China 325025

 Call:86-0577-86663625

 Fax: 86-0577-86663625





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