T-Tap Waterflow Detectors
System Sensor T-Tap Waterflow Detectors are designed for primary signaling in residential systems and branch line signaling in larger systems.System Sensor WFDT flow switch
Features
• Suitable for 1 “(DN25) thread on the output of the T-branch or drilling saddle
• Pipe Sizes 1˝ (DN25), 1¼ (DN32), 1 ½ (DN40) and 2˝ (DN50)
• Twelve of the flexible plastic blades, the sizes of which are indicated
• Installation vertically or horizontally
• Proof housing
Size chart
| Model | DN | The pipe size (“) | The hole size | Weight (kg) |
| WFD20E | 50 | 2 | 1 1/4 | 1.91 |
| WFD25E | 65 | 2½ | 1 1/4 | 1.95 |
| WFD30-2E | 80 | 3 | 2 | 2.04 |
| WFD40E | 100 | 4 | 2 | 2.36 |
| WFD50 | 125 | 5 | 2 | 2.86 |
| WFD60E | 150 | 6 | 2 | 3.08 |
| WFD80E | 200 | 8 | 2 | 3.40 |