Flow sight glass type 591 PN 16/400 Sight glass with 3 viewports and flange connections according to DIN EN 1092-1 ©i View glass with 3 sight openings and flange connections according to DIN EN 1092-1 USAGE Flow sight glasses with 3 sight openings of type 591 serve to observe the level and flow in pipelines. They enable reliable monitoring of the function and performance of individual devices as well as complete plants. The flow sight glasses of type 591 are designed for installation between flanges according to DIN EN 1092-1. 2) All measurements will be carried out according to the standard, if constructively possible. Otherwise, the information from the order confirmation and customer drawing applies. Dimensions correspond to the nominal pressure level PN 16, other pressure levels may differ 10112025 - Subject to technical changes and errors!

rFlow sight glass type 591 PN 16/400 Example for Explaining the Code Composition Unless otherwise stated, the highlighted factory standard will be delivered. The product code 11-591-8-2-1-1-4-000 corresponds to the standard version: Body 1.4571 Cover flanges 1.4571 Connection flanges 1.4571 Borosilicate glass DIN 7080 Gasket KlingerSil® C4400 10112025 - Subject to technical changes and errors!

Flow sight glass type 591 PN 16/400 Sight glass with 3 viewports and flange connections according to DIN EN 1092-1 QUICK OVERVIEW Custom manufacturing possible > 50 sealing materials for gaseous media Accessories available OPERATING CONDITIONS Terms of operation depend on the choice of glass and seals: 10112025 - Subject to technical changes

rFlow sight glass type 591 PN 16/400 OPTIONAL ACCESSORIES Round mica discs > up to 320 °C with Borosilicate glass > with PTFE, silicone, EPDM or FKM Metal fused safety sight glass > for safety applications FEP protective screen / coating > for high pH values For aggressive media or steam, mica discs should be used to protect the glasses. The pressure-temperature limits apply according to DIN EN 1092-1! Our tool with the same name is available on our website. (www.aci24.com, under Service, sub-item Tools) Q Konigskamp 19 • 52428 Julich • Germany 10112025 - Subject to technical changes and errors!...