| Model: | WFAR/VSR-F |
|---|---|
| Brand: | TEWASPRAY |
| Origin: | Made In China |
| Category: | Security & Protection / Fire Fighting |
| Label: | Potter Flow Switch , System sensor Water , Potter Supervisory S |
| Price: |
US $27.5
/ pc
|
| Min. Order: | 20 pc |
| Live Chat: | Last Online:08 Oct, 2019 |
The WFAR water flow indicators shall be installed on system piping as designated on the drawing and/or as specified herein. Water flow indicators shall mount on any clear pipe span of the appropriate normal size, either a horizontal or vertical pipe. The indicators shall have a sensitivity in the range of 4-10 gallons per minute and a static pressure rating up to 450psi for 2"-8" (50mm thru 200mm) pipes. The indicator shall respond to water flow in the specified direction after a preset time delay that is field adjustable. The retard structure shall be a sealed mechanical pneumatic unit with visual time delay adjustment.
|
Rating Pressure: |
Up to 450PSI (3.1MPa) |
|
Flow Sensitivity: |
4-10GPM (15.0-37.5L/min) |
|
Maximum Surge: |
18FPS (5.5m/s) |
|
Contact Ratings: |
Two sets of SPDT (Form C) |
|
10.1Amps at 125/250 VAC |
|
|
2.0Amps at 24 VDC |
|
|
Enclosure Rating: |
NEMA 4- suitable for indoor/outdoor use |
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Conduit Entrances: |
Two opening for 1/2" conduit |
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One open, one knock-out type |
|
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Compatible Pipe: |
Steel water pipe, schedule 10 through 40 |
|
Service Use: |
Automatic Sprinkler: NFPA-13 |
|
One or Two Family Dwelling: NFPA-13D |
|
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Residential Occupancies up to 4 stories: NFPA-13R |
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National Fire Alarm Code: NFPA-72 |
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Warranty: |
3 Years |
