High-pressure flow sight glass type 520A Class 300/1500 lbs Intermediate flange design for flanges according to ASME B 16.5 mi With flange connections according to DIN EN 1759-1 suitable for counter flanges according to ASME B 16.5 USAGE High-pressure sight glasses of type 520A are used to observe the level and flow in pipelines. They enable reliable monitoring of the function and performance of individual devices as well as complete systems. The high-pressure sight glasses of type 520A are designed for installation between flanges according to ASME B 16.5. Gaskets must always be used that match the sealing surfaces. The screw material should be equal or superior compared to the flange material. If possible, both the screw thread and the screw head should be coated with a suitable lubricant. 10112025 - Subject to technical changes and errors!

Example for Explaining the Code Composition Unless otherwise specified, the highlighted factory standard will be delivered. The product code 11-520A-8-3-1-4-7-000 corresponds to the standard version: ACI type 520A NPS 4“ Borosilicate glass DIN 7080 with mica Gasket Graphite / stainless steel 10112025 - Subject to technical changes and errors!

High-pressure flow sight glass type 520A Class 300/1500 lbs Intermediate flange design for flanges according to ASME B 16.5 QUICK OVERVIEW custom designs possible 10112025 - Subject to technical changes and errors!

High-pressure flow sight glass type 520A Class 300/1500 lbsIntermediate flange design for flanges according to ASME B 16.5 Type OPTIONAL ACCESSORIES Round mica discs > up to 320 °C with Borosilicate glass > for safety applications For aggressive media, steam or operating pressures > 160 bar are mica discs used for protection of the glasses. d Konigskamp 19 • 52428 Julich • Germany 10112025 - Subject to technical changes and errors!