The WFAR-TS T-tap water flow indicators shall be installed on a tee that has a 1 inch NPT branch include 1in.、1-1/4 in. 、1-1/2 in. and 2in. 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 1”-2” (DN25 thru DN50) 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 |
Conduit Entrances: | Two opening for 1/2" conduit |
One open, one knock-out type | |
Compatible Pipe: | Fits 1”, 1-1/4”,1-1/2” and 2” ferrous and brass threaded tees |
Service Use: | Automatic Sprinkler: NFPA-13 |
One or Two Family Dwelling: NFPA-13D | |
Residential Occupancies up to 4 stories: NFPA-13R | |
National Fire Alarm Code: NFPA-72 | |
Warranty: | 3 Years |
