Sight Flow Indicators (straight line) with with pipe - thread connection BSP (G) or NPT Bauform 881-K Application: The flow indicators are used for optical control of fluids and gases, for horizontal and vertical pipelines. Operating conditions: Working pressure: Working temperature: Installation: Horizontal and by vertical flow direction from bottom to top Options: with - Sight glass light - fittings Materials: Cast Iron GG 25 ( EN-GJL-250 ) max. 16 bar Cast Steel GS-C 25 ( 1.0619 / GP240GH ) Stainless Steel WN 1.4408 Body Covers Screws Glass Gaskets Flap 4.6 / 5.6 gal. A4-70 Borosilicate glass DIN 7080 ( 280° ) C Soda lime glass DIN 8902 ( 150° ) C Graphite, (or other materials) 1.4571 Ordering example: Sight Flow Indicators with flap Bauform 881-K, Flap 1.4571 WN 1.4408, Borosilicate glass DIN 7080-16 bar G 3/4“ Glass plate Modification reserved NORIS ARMATUREN Burkenstein GmbH & Co. KG Puscherstrasse 3 D-90411 Nürnberg Internet: Noris-Armaturen.de E-Mail: [email protected]