POTTER VSR Vane Type WF Switch, water flow switch, water flow indicator

Product Description

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 ***0 gallons per minute and a static

pressure rating up to **0psi for **8 (*0mm thru **0mm) 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.

 

Working Pressure: Max3.1Mpa (**0psi)

Sensitivity: *5.***7.5L/min (***0GPM)

Standards: GB***5.*****8 & FM********6&UL**6

Tamper Device: Special tamper screws to prevent disassembly

Maximum Surge: 5.5m/s (*8FPS)

Operating Temperature: 4.5ºC to *9ºC (*0º F to **0ºF)

Retard Structure: Time delay adjustment via rotate dial

Compatible Pipe: Steel pipe, schedule *0 through *0

Contact Rating: Two sets of SPDT (Form C)

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