Sight Flow Indicators
FS-Series Flow Sight Glass Gauge
Flanged double-window flow indication with an integral spring paddle
The FS-Series provides direct observation of industrial liquid flow from left to right, right to left, vertically upward or vertically downward.
- EAC
- CE 1128Marking options available
Service and indication
- Water-treatment and industrial liquid-flow systems
- Double-window observation with spring-paddle flow indication
- Horizontal or vertical installation in either flow direction
Technical data
Operating limits and connections
- Maximum working temperature
- 80°C
- Maximum working pressure
- 10 kg/cm² at 25°C water
- Connection size
- 2 in
- Flange ratings
- JIS 10K, ANSI 150 lb, PN10 or PN16
Materials
- Body
- SS316
- Paddle and spring
- SS316
- Gauge
- Tempered glass
- Gasket
- Teflon or Gore-Tex
- Flanges
- SS316 or SS304
Dimensions
Dimensions in millimetres. Dimensions C and D change with the selected flange rating.
| Size | Range | d | C | D | H | S | P | L | n-h |
|---|---|---|---|---|---|---|---|---|---|
| 2 in | 2–10 m³/h | 48 | 120 | 155 | 170 | 102 | 149.5 | 220 | 19 dia. |
| 2 in | 2–18 m³/h | 48 | 120 | 155 | 170 | 102 | 149.5 | 220 | 19 dia. |
Available flange ratings: JIS 10K, ANSI 150 lb, PN10 and PN16. Dimensions C and D vary with flange rating.
Ordering information
Choose your options to build an enquiry reference.
Specifications are general selection guidance. Confirm materials, connection standards, operating temperature and pressure with Sightflow before placing an order.