| 型 號 | 描 述 |
| FS4-3 | General purpose flow switch |
| FS4-3J | FS4-3 w/BSPT connections |
| FS4-3-RPT | FS4-3 w/test button |
| FS4-3Z | FS4-3 w/ANSI terminal connections |
| FS4-3A | FS4-3 w/tamper-proof cover screws |
| FS4- 3D | FS4-3 w/2 SPDT switches |
| FS4-3S | FS4-3 w/SS body, monel bellows |
| FS4-3SJ | FS4-3S w/BSPT connections |
| FS4-3DS | FS4-3S w/2 SPDT switches |
| FS4-3-5R | FS4-3 w/5 second DOB |
| FS4-3-20 | FS4-3 w/20 second DOM |
| FS4-3J-E | FS4-3J-CE conformance rated |
| FS4-3D-E | FS4-3D-CE conformance rated |
| FS4-3S-E | FS4-3S-CE conformance rated |
| FS4- 3F | FS4-3 for fire sprinkler service |
| FS4-3F-20 | FS4-3F w/20 second DOM |
| FS4-3DF | FS4-3F w/2 SPDT switches |
| FS4-3DF-20 | FS4-3F w/20 second DOM, 2 SPDT switches |
| FS4-3T1-3⁄4 | 3⁄4" NPT body - high flow rate |
| FS4-3T2-3⁄4 | 3⁄4" NPT body - medium flow rate |
| FS4-3T3-3⁄4 | 3⁄4" NPT body - low flow rate |
| FS4-3T1- 1 | 1" NPT body - high flow rate |
| FS4-3T2- 1 | 1" NPT body - medium flow rate |
| FS4-3T3- 1 | 1" NPT body - low flow rate |
| FS4-3T3-3⁄4-E | FS4- 3T3-3⁄4 -CE conformance rated |
| FS4-3T3-1-E | FS4-3T3-1 -CE conformance rated |
| FS5-3⁄4 | General purpose flow switch 3⁄4" NPT |
| FS5-D-3⁄4 | FS5-3⁄4 w/2 SPDT switches |
| FS5-J-3⁄4 | FS5-3⁄4 w/BSPT connections |
| FS5-1 | General purpose flow switch 1" NPT |
| FS5-D-1 | FS5-1 w/2 SPDT switches |
| FS5-J-1 | FS5-1 w/BSPT connections |
| FS5-S-1 | FS5-1 w/SS body |
| FS5-DS-1 | FS5-1 w/SS body, 2 SPDT switches |
| FS5-J-3⁄4-E | FS5- J-3⁄4 - CE conformance rated |
| FS5-J-1-E | FS5- J-1 - CE conformance rated |
| FS8-W | General purpose flow switch w/NEMA 4X enclosure |
| FS8-WJ | FS8-W w/BSPT connections |
| FS8-WG | FS8-W w/gold plated switch contacts |
| FS8-WG-SL | FS8-W w/gold plated switch contacts, sealed leads |
| FS8- WZ | FS8-W w/ANSI terminal connections |
| FS8- WJA | FS8-WJ w/adjusting indicator |
| FS8- WJA- E | FS8-WJA- CE conformance rated |
