| Product Overview |
Model |
SD-WFD |
|
Brand |
SHIELD |
|
Type |
Vane Type Waterflow Detector |
|
Application |
Wet Pipe Sprinkler Systems |
|
Installation |
Mounted on System Piping |
| Operational Features |
Flow Sensitivity |
4–10 GPM (15–38 LPM) |
|
Static Pressure Rating |
450 PSI (2″–8″ Pipe) |
|
Retard Mechanism |
Field Adjustable Pneumatic Retard |
|
Delay Unit |
Sealed Mechanical Pneumatic with Visual Indicator |
|
Actuation |
Polyethylene Vane with Mechanical Linkage |
|
Recycling |
Instantly Recycling Pneumatic Retard |
| Electrical Specifications |
Contact Type |
Two Sets of SPDT Switches |
|
Contact Rating |
8A @250VAC; 3A @24VDC; 2.5A @30VDC |
|
Conduit Entrances |
Two Openings for ½″ Conduit |
| Mechanical Specifications |
Compatible Pipe |
Steel Pipe Schedule 10–40 |
|
Maximum Surge |
18 FPS (5.5 m/s) |
| Environmental Conditions |
Working Temperature |
0°C to 68°C |
|
Corrosion Protection |
Fusion Bonded Epoxy Coated (Interior & Exterior) |
|
|
Optional Enamel Spray Paint |
| Service Use & Standards |
Automatic Sprinkler |
NFPA 13 |
|
Residential |
NFPA 13D |
|
Mid-Rise Buildings |
NFPA 13R |
|
Fire Alarm Code |
NFPA 72 |
| Key Benefits |
Reliability |
Accurate Flow Detection |
|
Flexibility |
Adjustable Time Delay |
|
Durability |
Corrosion-Resistant Construction |
|
Safety |
Complies with Fire Protection Standardsv |
