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.
very nice and lucid explanation...! Nicely put.
cancer19850624 4 months ago
you should send these out to fire schools in the country .... very well put together !
trashman941 1 year ago
thanks I appericiate it
heroknaderi 2 years ago