Vaisala PR-23 Series - Page 212

2. Remove the safety pin (4).
6
4
7
5
!
OPEN
CLOSE
a. Slide the nozzle out from the process (5) until the guide plate stops it.
b
. Close the nozzle isolation valve (6) by turning the handle clockwise.
c. Open the 1/4 in check port valve under the nozzle isolation valve (7).
Only little process liquid should flo
w from the nozzle. If process
liquid keeps on flowing, the nozzle isolation valve is damaged and it is not safe
to remove the nozzle. Do not proceed with nozzle removal.
WARNING!
PR-23 Series User Guide
IM-EN-PR23-E
210