Gems FS550 series switches are available with SS or Brass bodies and with NPT or BSP threads. These come with 1/2NPT electrical connection and 600mm flying leads.
- Pipe sizes 30mm & up
- 130 bar & 150°C
- UL Listed and FM approved
- SPDT 20VA switch
- 1 inch NPT mount
Fine-Tek SF1800 Series
- SF18 with Alloy terminal Head
- SF70 with SS EXd Head
- Paddle sizes for pipes from 25mm upwards
- 150C and 130 bar rating
- SS Paddle and body SPDT 40W contacts
- Wetted parts Teflon, SUS304 SS
- Flow / No Flow at very low trip point
The Gems FS550 & Fine-Tek SF1800 switches sense flow in either direction to monitor flow/no-flow conditions. Paddles are trimmed to suit the pipe size & installation causes a pressure drop of below 30KPa.
Designed to mount vertically - in a horizontal pipe- to prevent false tripping - for low solids content and low viscosity fluids only
