Vaisala PR-23 Series - Wash Nozzle Insertion and Removal; Inserting Wash Nozzle

11.6 Wash nozzle insertion and removal
Non‑r
etractable wash nozzle SDI2‑23‑WPR/WPN‑XS for high pressure
water can only be inserted or removed when the process pipe is empty. Insertion and
retraction instructions below are valid only for wash nozzles SDI2‑23‑SN2 for steam and
SDI2‑23‑WP2 for high pressure water. For installation of the non retractable wash nozzle
see Non-retractable wash nozzle SDI2‑23‑WPR/WPN‑XS (page 187).
WARNING!
11.6.1 Inserting wash nozzle
Check the nozzle and the valve before installing the wash nozzle. Use thread seal tape for all
thr
ead connections.
Always shut the main steam valve before performing any work on the
w
ash nozzle.
WARNING!
1. Insert the nozzle into the isolation valve (1).
1
3
2
!
a. Attach the nozzle to the nozzle guide with one special M5x10 screw (2) using a
5 mm Allen k
ey.
b. Remove the safety pin (3).
PR-23 Series User Guide
IM-EN-PR23-E
206