Wash Nozzle Insertion And Removal; Wash Nozzle Insertion - Vaisala K-PATENTS PR-23 Series Instruction Manual

11 Safe-Drive™

11.6 Wash nozzle insertion and removal

Warning! Non retractable 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 Section 11.4.6.

11.6.1 Wash nozzle insertion

Check the nozzle and the valve before installing the wash nozzle. Use thread seal tape
for all thread connections.
Warning! Always shut the main steam valve before performing any work on the wash
nozzle.
1
!
2
1
2
OPEN
2
4
3
3
1
OPEN
3
2
1. Insert the nozzle into the isolation valve
(1).
2. Attach the nozzle to the nozzle guide with
3
one special M5x10 screw (2) using a 5 mm
allen key.
3. Remove the safety pin (3).
1. Close the 1/4'' check port valve under the
nozzle isolation valve (1).
2. Open the isolation valve (2) by turning the
handle counterclockwise.
3. Push the nozzle to the process (3).
4. Attach the nozzle to the nozzle guide with
one special M5x10 screw (4) using a 5 mm
5
allen key.
1
CLOSE
5. Lock the isolation valve handle with the
safety pin (5).
1.1 STEAM: Connect the steam line and sensor
flush flexible line to the nozzle T-piece (1,2).
1.2 WATER: Connect the water line to 1/4"
valve (1,2).
2. Open the steam supply line valve (3).
3. Check the functionality of washing from
the optical image window in DTR.
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