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Used for the observation of liquid flow in pipelines in all process industries.
- Mounting:
- Series S-VA, S-St: Welded
Series FF-VA, FB-VA, F-St / FDG, FDS, FDE: Flanged
- Nominal Sizes:
From DN15 to DN200
- Operating Pressure:
Nominal pressure ratings of 6 bar to 40 bar
- Operating Temperature:
- Sodium Silicate – up to 150°C
Borosiliate – up to 280°C
Materials:
Body: Stainless steels 316L (1.4435) and 316Ti (1.4571). Carbon steel RSt 37.2. Cast carbon, Hastelloys and exotic specials.
Gaskets: KLINGERsil C4400, PTFE, Viton, Silicone.
Gaskets: KLINGERsil C4400, PTFE, Viton, Silicone.

VETROLUX sightflow indicator, series FB-VA, type FB-VA 100

CHEMLUX sightglass light fitting type FKEL 5dHW, Ex d IIC T6, Ex tD A21 IP65 T80°C, Ex II 2 G + D, 5 W, 230 V, on VETROLUX pipeline flow indicator, series FDE

VETROLUX sightflow indicator, series S-VA, type S-VA 80