Specifications:
The NORIS Sight Flow Indicators are designed for optical control of fluids and gases in both horizontal and vertical pipelines. They are available with pipe-thread connections in BSP (G) or NPT. The dimensions vary based on the pressure rating (16, 25, or 40 bar) and the size of the connection (ranging from 1/4" to 2"). The materials used include Cast Iron GG 25, Cast Steel GS-C 25, and Stainless Steel WN 1.4408, with borosilicate or soda lime glass for the sight glass.

Operating Conditions:
The indicators can operate at a maximum pressure of 16, 25, or 40 bar and a maximum temperature of 150°C or 280°C. They are suitable for installation in horizontal pipelines or vertical pipelines with flow direction from bottom to top.

Options and Materials:
Optional features include sight glass light fittings. The body, covers, and screws are made from materials such as GG 25, GS-C 25, and 1.4408, with gaskets made from graphite or other materials. The flap is made from material 1.4571.

Certification:
Certificates are available according to EN 10204-2.2 or 3.1 standards.

Ordering Example:
An example order would be for a Sight Flow Indicator with flap, Bauform 881-K, using flap material 1.4571, WN 1.4408, and borosilicate glass DIN 7080-16 bar, with a G 3/4" connection.

Contact Information:
NORIS ARMATUREN Burkenstein GmbH & Co. KG, Puscherstrasse 3, D-90411 Nürnberg. Phone: +49 (0) 911 / 52 150 63, Fax: +49 (0) 911 / 52 24 40, Email: [email protected], Website: Noris-Armaturen.de