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SIGHTFLOW INDICATORS, SERIES
FF-VA, FB-VA, F-St / S-VA, S-St / FDG, FDS, FDE

Used for the observation of liquid flow in pipelines in all process industries.

MOUNTING:
Various ranges for welding into pipelines (series S-VA, S-St) or bolting with flange system (series FF-VA, FB-VA, F-St / FDG, FDS, FDE).

NOMINAL SIZES:
From DN 15 or 1/2" to DN 200 or 8".

OPERATING CONDITIONS:
Nominal pressures of 6, 10, 16, 25 and 40 bar (depending on type). Temperatures of up to 150°C with sodium silicate glass to DIN 8902 or up to 280°C with borosilicate glass to DIN 7080.

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.
Glass discs to DIN 8902 or to DIN 7080.

CERTIFICATES:
- To be supplied against extra charge to DIN EN 10204

SPECIAL VERSIONS:
- Lined Teflon / PFA for corrosive applications
- Version without "drop-nose"
- With "no rest liquid" for horizontal or vertical application
- Double glazed security version
- Double jacketed, heated version
- With built-in flow indication turbine

COMPLEMENTARY PRODUCTS:
Light fittings for hazardous or safe areas, series KL (PowerLED) / FHL (PowerLED) / PL, (F)KEL (PowerLED) / (F)LKEL / (F)HEL (PowerLED) / PEL, L 20 deH, F 20 dH, R 50 deH, (R) 100 deH), EdelLUX, fibroLUX or miniLUX. Observation is aided considerably with the addition of a light fitting.

Sightflow indicator, type FB-VA 100

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


Sightflow indicator, type S-VA 80

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


Sightflow indicator, type Typ FDE 50, with light fitting type FKEL 5 dHW

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