Duct Mounted Airflow Switch

Stainless steel paddle and range adjusting screw for field adjustment.

Duct mounted airflow switch.

The avfs provides a 5 set point repeatability across a full scale range of 1 10 m s 197 1969 fpm and includes a mounting bracket for quick duct mounting. The standard flow switches are rated for 300 f. Air flow exerts a force on a paddle actuating a dust tight spdt micro switch. Detects duct air flow or absence by velocity of air movement.

4 2 out of 5 stars 251. Rely on grainger for a wide range of duct pressure switch options. Duct pressure switches automatically start and stop auxiliary devices like electronic air cleaners duct heaters humidifiers exhaust fans and duct booster fans. Get it as soon as wed sep 30.

The series stra utilizes an airflow averaging element in a head type device generating a differential velocity pressure signal similar to the orifice venturi and other head producing primary elements. The flow switch should be mounted into a duct or chamber where the air paddle can freely point horizontally downwards. Airflow switch spdt f62 series this control detects air flow or the absence of air flow in ducts responding only to the velocity of air movement. Free shipping by amazon.

3 6 out of 5 stars 9. The principle of operation is quite simple. The series avfs adjustable air flow switch is specifically designed to monitor air flow in ducts and provides a 3 a contact output to indicate a change or loss of flow. Kobold lps air flow switches are widely used to control air flow setpoints in hvac duct applications.

An air switch senses positive negative or differential air pressure and actuates an internal switch. To avoid air swirl and paddle instability straight zones should be provided for a length of 5 times the diameter of duct upstream and downstream from the installation location. Tpi rh3a series rh adjustable air flow differential pressure switch control 0 05 12 wc compression connection. Single or multiple airflow elements are factory mounted and pre piped in a casing designed for flanged connection to the duct work.

Get it as soon as wed sep 30. For air temperatures to 1 500 f. The switching point may be adjusted continuously within a wide range making the lps useful in a wide variety of applications. Flow switches for high temperature duct mounting high temperature duct mounted.

We can achieve 400 f ratings with a simple micro switch upgrade.