Water Flow Switch
Safety Shoe Shopping Event
Get discounts on all safety shoe up to 20%
Safety_shoe_20
18,500.00৳
- Pick up from the Safestallbd Store
House - 11 (2ndfloor), Road - 16, Sector - 11, Uttara, Dhaka 1230
Free
- Steadfast Courier Delivery
Steadfast courier will deliver to the specified address
Inside Dhaka - (24hours) - 70 TK, Outside Dhaka -(48hours) - 130 TK
- Pathao Courier Delivery
Pathao courier will deliver your products to the specific address
Inside Dhaka - (24hours) - 70 TK, Outside Dhaka - (2-3 Days) - 130 TK
- Sundarban Courier Delivery
Sundarban courier will deliver to the specified address
Inside Dhaka - (24hours) - 80 TK, Outside Dhaka - (48hours) - 150 TK
- Warranty 1 year
- Free 7-Day Returns
Available Payment Methods:
Why use Water Flow Switch ?
Water Flow Switch
A Water Flow Switch, like the Model SD-WFD, is essential for monitoring and protecting wet pipe fire sprinkler systems. It detects water movement caused by sprinkler activation and triggers an alarm or system response. This model uses a vane-type mechanism and features dual SPDT snap-action switches with a field-adjustable pneumatic time delay, ensuring accurate and reliable operation.
FEATURES
- Designed for both indoor and outdoor use;
- Equipped with tamper-resistant screws to prevent unauthorized entry.
- Two synchronized switches are enclosed in a durable terminal block. Terminals are easy to read and wire.
- Built-in mechanical time delay feature; minimizing the risk of false alarms due to pressure surges or air trapped in the system.
- Offers excellent performance during riser vibrations caused by large in-rushes of water.
- Designed and built for accuracy and repeatability.
- Sealed retard mechanism immune to dust and other contaminants
- Field-replaceable retard mechanism and SPDT switches
- Rugged, dual SPDT switches enclosed in a durable terminal block
- 100 percent synchronization activates both the alarm panel and local bell
- Tamper-resistant cover screws
TECHNICAL DATA
| FLOW SENSITIVITY RANGE | 4-10 GPM (15-38LPM) | |
| CONTACT RATING | Two sets of SPDT 8A@250VAC; 3A@24VDC; 2.5A@ 30VDC. | |
| WORKING PRESSURE | 450PSI. | |
| WORKING TEMPERATURE | 0°C to 68°C | |
| CORROSION PROTECTION | Fusion Bonded Epoxy Coated Interior and Exterior or Enamel Spray Paint, Interior and Exterior | |
| WORKING PRESSURE | 450psi. | |
| MAXIMUM SURGE | 18 FPS (5.5 m/s) | |
| CORROSION PROTECTION | Fusion Bonded Epoxy Coated Interior and Exterior or Enamel Spray Paint, Interior and Exterior. | |
| COMPATIBLE PIPE | Steel water pipe, schedule 10 through 40 | |
| CONDUIT ENTRANCES | Two openings for ½” conduit. | |
| 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 |
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