EARL Flow Switches
The EARL flow switches are used as control instruments to observe and control the flow of liquids and gases. Because of their rigid mechanical design they are perfectly suitable for permanent monitoring of pipe flow.
You will find an overview of our flow switch variety in the table below.
Type 107

Control your flow with a pendulum.
Type 31d 32d

Rigid variable area meter with a float.
Type 172 173

Air vane flow switch for gases.
Type 700 720

Flow control via pressure plate.
Type 776 778

Flow switch with an inlet nozzle.
Type 41vS

Rotameter for flows in small lines.
Overview of EARL Flow Switches
With our large variety of flow switches you will find a suitable product for every application:
Type | 41vS | 31d-32d | 107 | 172-173 | 700-720 | 776-778 |
---|---|---|---|---|---|---|
flow larger than 0,6 l/h | X | X | ||||
flow vel. < 0,3 m/s | X | X | X | X | ||
flow vel. > 0,3 m/s | X | X | X | X | X | |
pressure up to 1000 bar, temp. up to 500°C | X | X | ||||
dirty medium | X | X | X | X | ||
DN > 250 mm | X | X | X | |||
for gases | X | X | ||||
corrosive media | X | X | X | X | X | |
ATEX EEX de / ia | X | X | X | |||
certified | X |