WFD-T T-TAP TYPE WATER FLOW DETECTOR WITH RETARD

Description

The WFD-T is a T-tap type water flow detector for use on fire protection system, installed on a tee that has 1″ to 2″ NPT/BSPT socket connection. It is suitable for use with Schedule 10 through 40 steel pipe of 1″ to 2″, and can be installed in vertical or horizontal pipe. The detectors shall have a sensitivity in the range of 4 to 10 gallons per minute, and a service pressure up to 450psi. WFD-T will respond to water flow in the specified direction after preset time delay that is adjustable on site.

Model Options

Model	Description	Pipe Size	W (mm)	H (mm)	D (mm)
WFD-T-1	T-Tap Type Water Flow Detector	25mm (1″)	95.25	168.65	54
WFD-T-1¼	T-Tap Type Water Flow Detector	32mm (1¼”)	95.25	177.3	62.5
WFD-T-1½	T-Tap Type Water Flow Detector	40mm (1½”)	95.25	183.65	69
WFD-T-2	T-Tap Type Water Flow Detector	50mm (2″)	95.25	196.85	82

Electrical Connections

The WFD-T water flow detector have two switches, one can be used to operate a central station, proprietary or remote signaling unit, while the other contact is used to operate a local device or visual annunciator.

Note : Retard Structure can be set from “0” to “MAX” position, delay time can be set from 0~90 secs.