bf881

bf881

Product catalog summary
Application: 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.
Operating Conditions: The indicators can operate at a maximum working pressure of 16, 25, or 40 bar and a maximum working temperature of 120°C or 260°C.
Installation: Installation is optional, but attention must be paid to the flow direction.
Options: The indicators can be equipped with sight glass light fittings.
Materials: The body and covers are available in Cast Iron GG 25, Cast Steel GS-C 25, or Stainless Steel WN 1.4408. The glass options include Borosilicate glass (DIN 7080) for temperatures up to 280°C and Soda lime glass (DIN 8902) for temperatures up to 150°C. Gaskets are made of graphite or other materials. Spinners are available in plastic for temperatures up to 120°C (Bauform 881-RK) and PTFE for temperatures up to 260°C (Bauform 881-RP).
Certification: Optional certification is available according to EN 10204-2.2 or 3.1.
Ordering Example: An example order could be a Sight Flow Indicator with a PTFE-Rotor, Bauform 881-RP, GS-C 25, Borosilicate glass DIN 7080-16 bar, G 3/4".
Dimensions: The dimensions vary based on the pressure rating and connection size, with specific measurements provided for different bar ratings and thread types.
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Catalog excerpts

bf881-1

Sight Flow Indicators (straight line) with NORIS Spinner with pipe - thread connection BSP (G) or NPT Bauform 881-RK Bauform 881-RP Application: The flow indicators are used for optical control of fluids and gases, for horizontal and vertical pipe-lines. Operating conditions: Working pressure: Working temperature: max. 16 / 25 / 40 bar max. 120° or 260° C C Installation: Optional. Take care of flow direction 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 Spinner GG 25 GS-C 25 1.4408 GG 25 GS-C 25 1.4408 4.6 / 5.6 gal. A4-70 Borosilicate glass DIN 7080 ( 280° ) C Soda lime glass DIN 8902 ( 150° ) C Graphite, (or other materials) Plastic up to 120° Bauform 881-RK C; PTFE up to 260° Bauform 881-RP C; Certificate: (Option ) Acc. to EN 10204-2.2 or 3.1 Ordering example: Sight Flow Indicators with PTFE-Rotor Bauform 881-RP GS-C 25, Borosilicate glass DIN 7080-16 bar G 3/4“ Dimensions: BSP (G) BL or NPT Glass plate d1 S at d2 16 bar 25 bar 40 bar 1/4“ 3/8“ 1/2“ 100 32 45 10 10 10 3/4“ 1“ 120 48 63 10 12 15 1 1/4“ 1 1/2“ 160 65 80 12 15 20 2“ 230 180 (GG) 80 100 15 20 25 NPT-thread only in GS-C 25 or 1.4408 E881-R 09/07 Modification reserved NORIS ARMATUREN Burkenstein GmbH & Co. KG Puscherstrasse 3 D-90411 Nürnberg Telefon: +49 (0) 911 / 52 150 63 Telefax: +49 (0) 911 / 52 24 40 Internet: Noris-Armaturen.de E-Mail: [email protected]

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.