Video discusses wet and dry sprinkler systems along with vane type and pressure type water flow switches installed to monitor waterflow activations in fire sprinkler systems. For more information contact Potter Signal at 800-325-3936 or at www.pottersignal.com.
Duration : 0:10:56
[youtube _HxXLXIHG70]
March 21st, 2010 at 5:18 am
thanks I …
thanks I appericiate it