The Kaydon Model 816BC is a simple variable area (flap type) flow indicator with an mechanical switch. The Kaydon Model 816BC flow switch operates with a spring and flap assembly that swings open as more flow enters the flow switch. The Kaydon Model 816BC flow switches can be installed in any flow direction position and on any pipe runs – unlike many competing flow indicators . The shaft assembly connection from the spring/flap assembly is affixed to a red “flow indicator” pointer to provide estimated flow indication against a numberless indicator scale. Also, the shaft assembly is additionally fastened to a cam to activate a low flow condition switch.
kaydon-TELEFLO®-816BC
The 816BC flow switches are designed for a wide range of oil and water flow applications including:
- Circulating Lube Oils
- Cooling Water Lines
- Seal Water Lines
- Machine Tool Coolants Lines
Kaydon Model 816BC:
Material = bronze, aluminum, Viton
enclosure rating: NEMA 4 (dust & moisture proof) maximum operating pressure = 125 psig at 125F switch contact rating: 15 amps at 120 VAC (SPDT)
conduit connection: 1/2 inch NPTF
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| Model Number |
Part Number |
Description of Kaydon Instrumentation | Carton Dimensions (inches) |
| 816BC-1/2″ | 51B22 | flow switch, 1/2 inch NPT oil flow indicating range (gpm) = 2 – 28 minimum flow (gpm) = 2 gpm (turbine oil) / 5 gpm (water) factory switch set point (turbine oil) = 2.5 gpm (approximate) |
8 x 8 x 8 |
| 816BC-3/4″ | 51B05 | flow switch, 3/4 inch NPT oil flow indicating range (gpm) = 4 – 32 minimum flow (gpm) = 4 gpm (turbine oil) / 7 gpm (water) factory switch set point (turbine oil) = 4.5 gpm (approximate) |
8 x 8 x 8 |
| 816BC-1″ | 51B06 | flow switch, 1 inch NPT oil flow indicating range (gpm) = 6 – 60 minimum flow (gpm) = 6 gpm (turbine oil) / 10 gpm (water) factory switch set point (turbine oil) = 7 gpm (approximate) |
8 x 8 x 8 |
| 816BC-1-1/2″ | 51B08 | flow switch, 1-1/2 inch NPT oil flow indicating range (gpm) = 8 – 70 minimum flow (gpm) = 8 gpm (turbine oil) / 12 gpm (water) factory switch set point (turbine oil) = 9 gpm (approximate) |
8 x 8 x 8 |
| 816BC-2″ | 51B09 | flow switch, 2 inch NPT oil flow indicating range (gpm) = 10 – 75 minimum flow (gpm) = 10 gpm (turbine oil) / 14 gpm (water) factory switch set point (turbine oil) = 11 gpm (approximate) |
8 x 8 x 8 |
