Zh21B Dust Protector - YOKOGAWA ZR22G User Manual

2.2.2 ZO21R Probe Protector
Used when sample gas flow velocity is approx. 10 m/sec or more and dust particles wears the
detector in cases such as pulverized coal boiler of fluidized bed furnace (or burner) to protect
the detector from wearing by dust particles. When probe insertion length is 2.5 m or more and
horizontal installation, specify the ZO21R-L-200-
Insertion Length:
Flange:
Material:
Weight:
Installation:
Model and Codes
l
Model Suffix code
ZO21R -L
Insertion
length
Flange ( *1)
Style code
*1 Thickness of flange depends on dimensions of flange.
Gas flow
l=1050,1550,2050
Flange<1>
JIS 5K 65 FF
ANSI Class 150 4 FF
1.05 m, 1.55 m, 2.05 m.
JIS 5K 65A FF equivalent. ANSI Class 150 4 FF (without serration)
equivalent. However, flange thickness is different.
SUS316 (JIS), SUS304 (JIS) or ASTM grade 304 (Flange)
1.05 m; Approx. 6/10/8.5 kg (JIS/ANSI),
1.55 m; Approx. 9/13/11.5 kg (JIS/ANSI),
2.05 m; Approx. 12/16/14.5 kg (JIS/ANSI)
Bolts, nuts, and washers are provided for detector, probe adapter and
process-side flange.
Option
code
- - - - - - Probe Protector(0 to 700 °C)
-100 - - - - - - 1.05 m (3.5 ft)
-150 - - - - - - 1.55 m (5.1 ft)
-200 - - - - - - 2.05 m (6.8 ft)
-J - - - - - - JIS 5K 65 FF
-A - - - - - - ANSI Class 150 4 FF
*B - - - - - - Style B
Washer (12)
Mounting nut (M12)
SUS316
D
l (Insert length)
A
155
228.6
□
*B to reinforce the probe.
Description
Flange <1>
(with bolts, nuts and washer)
gasket (t3.0)
t
C
Dimensions of
holes on opposing surface
F2-3E.ai
B C t
130 4 - Ø15 5
190.5 8 - Ø19 12
<2. Specifications>
D
40
50
IM 11M12A01-02E 16th Edition : Mar. 19, 2020-00
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