Zh21B Dust Protector - YOKOGAWA ZR22G User Manual

2.2.3

ZH21B Dust Protector

This protector is designed to protect the probe output from dust agitation (i.e., to prevent
combustible materials from entering the probe cell where humidity measurements are made) in a
dusty environment.
Insertion length:
Flange:
Material:
Weight:
Mounting:
Model and Codes
l
Model Suffix code
ZH21B - - - - - - - - - - - - -
Insertion length
Flange ( *1)
Style code
Note: The flange thickness varies.
*1: Specify the probe ZR22G-040-□-K
*2: Specify the probe ZR22G-040-□-C
JIS flange
Install facing upwards
Flange
JIS 5K 80 FF
ANSI Class 150 4B FF
0.428m
JIS 5K 80 FF or ANSI Class 150 4 FF (However, flange thickness is
different)
SUS 316(JIS), SUS304 (JIS) or ASTM grade 304 (flange)
Approximately 6kg (JIS), approximately 8.5kg (ANSI)
Mounted on the probe or process flange with bolts and associated nuts
and washers.
Option
code
- - - - - - Dust Protector (0 to 600 °C)
-40 - - - - - - 0.428 m
-J - - - - - - JIS 5K 80 FF (*1)
-A - - - - - - ANSI Class 150 4B FF (*2)
*B - - - - - - Style B
428 (Insertion length)
ANSI flange
C
A
180
228.6
<2. Specifications>
Description
Unit: mm
t
D
C
ZH21B.ai
B C t
145 4 - Ø19 12
190.5 8 - Ø19 12
D
40
50
IM 11M12G01-02EN 1sh Edition : Mar. 25, 2021-00
2-10