Flow indicator made of Styrene Acrylonitrile (SAN) 
For easy visual monitoring of the flow
Suitable for non-aggressive liquids and gases
Hose connection via two lateral olives
Temperature resistant up to approx. 50° C
Type STW1: Display by marble / ball
Minimum flow for liquids: 50 ml / min (if horizontal)
Minimum flow for gases: 3 liters / min (if horizontal)
Type STW2: Display by paddle wheel
Minimum flow for liquids: approx. 150 ml / min
Max. Flow for liquids: approx. 6 liters / min
Pressure resistance: max. 2 bar.
|  | article- no.
 | displayed by | for tubings with inner - Ø
 | price per pc.
 | 
|---|
|  | | STW1 |  | 
 | marble | 6,5 - 10 mm | 13,90 € | 
|  | | STW2 |  | 
 | wheel | 6 - 11 mm | 15,90 € |