Home » Products » Process Components » Sightglasses Sightglasses Axium Process stock and supply sightglasses designed for product visualisation. They are also known as view ports or sight windows and are predominantly used to monitor flow within vessels.In-line Tubular Design. Standard sizes from ½” – 3” Manufactured in 316L stainless steel contact parts Maximum operating pressure up to 6 Bar (depending on size) Working temperature up to 200ºC (depending on seal material used) Borosilicate glass used EPDM and *Viton® seal material options End fitting options include clamp, RJT, DIN, IDF, SMS and plain-ended GALLERY PRODUCT LINE Clamp Blank Sightglasses Suitable for food processing and sterile applications. Design includes mechanically pre-stressed glass fused to metal construction. Quick, simple installation and maintenance. Standard sizes 1″ – 12″ Manufactured in Duplex or Hastelloy® alloys Borosilicate glass used Temperature -60ºC up to +300ºC Pressure from full vacuum to 16 Bar Material certification to BS EN 10204 3.1 Viton® is a registered trade mark of DuPont Dow Chemicals CONTACT US TODAY TICK BOX TO REQUEST CALLBACK *This information is required The information you submit will be used to respond to this enquiry. Please see our PRIVACY POLICY. This is protected by ReCAPTCHA. SIGHTGLASSES - DATA SHEETS Plain-ended tubular sightglass 316L (D8116-01-vo1) Clamp tubular polyshield sightglass (D5116-01-vo2) RJT tubular sightglass 316L (D8116-01-vo1) Clamp blank, duplex (D5137-01-vo1) ITCS ManagerSightglasses09.19.2016