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190
PR-23 instruction manual
11.6.2 Wash nozzle removal
Warning!
Always shut the main steam valve before performing any work on the wash
nozzle.
1
CLOSE
WARNING
Make absolutely certain that
the steam supply is shut off
before starting nozzle
removal procedure
1
3
2
WARNING
: Make absolutely certain that the
steam or water supply is shut off before
starting nozzle removal procedure.
1 Close the steam line supply valve (1).
2.1
STEAM
: Remove the steam supply line (2)
and the sensor flush flexible line (2) from the
nozzle T-piece.
2.2
WATER
: Remove the water supply line (2)
from the nozzle.
Remove the special M5x10 nozzle guide
locking screw (3) using a 5mm allen key. Be
careful, process pressure will try to push the
nozzle out from the process!
2
6
4
7
5
!
OPEN
CLOSE
4 Remove the safety pin (4).
5 Slide the nozzle out from the process (5)
until the guide plate stops it.
6 Close the nozzle isolation valve (6) by
turning the handle clockwise.
7 Open the 1/4’’ check port valve under the
nozzle isolation valve (7).
Note:
Only little process liquid should flow
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.
3
1
2
3
1 Lock the isolation valve handle with the
safety pin (1).
2 Remove the special 5x10 guide plate screw
(2) using a 5mm allen key.
3 Remove the nozzle from the isolation valve
completely (3).
Summary of Contents for K-PATENTS PR-23 AX Series
Page 1: ...IM EN PR23 v 2 00 Instruction Manual Vaisala K PATENTS Process Refractometer PR 23...
Page 2: ......
Page 4: ......
Page 17: ...2 Inline refractometer sensor 7 2 2 2 PR 23 mounting guide...
Page 26: ...16 PR 23 instruction manual...
Page 29: ...4 Prism wash systems 19 Figure 4 1 A prism wash system for steam non sanitary...
Page 30: ...20 PR 23 instruction manual Figure 4 2 A sanitary prism wash system for steam...
Page 32: ...22 PR 23 instruction manual Figure 4 5 Wiring for a prism wash system for steam...
Page 33: ...4 Prism wash systems 23 Figure 4 6 A prism wash system for high pressure water non sanitary...
Page 34: ...24 PR 23 instruction manual Figure 4 7 A sanitary prism wash system for high pressure water...
Page 35: ...4 Prism wash systems 25 Figure 4 8 Wiring for a prism wash system for high pressure water...
Page 40: ...30 PR 23 instruction manual...
Page 50: ...40 PR 23 instruction manual...
Page 72: ...62 PR 23 instruction manual...
Page 174: ...164 PR 23 instruction manual...
Page 179: ...11 Safe Drive 169 11 3 3 Safe Drive steam wash system parts...
Page 186: ...176 PR 23 instruction manual 11 4 2 Wiring Figure 11 9 PR 23 SD system wiring...
Page 204: ...194 PR 23 instruction manual Figure 11 19 Markings on the retractor handle...
Page 206: ...196 PR 23 instruction manual...
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