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2.2.2
ZO21R-L Probe Protector
2-8
This probe protector is required for the general-use detector when it is used for oxygen
concentration measurements in powdered coal boilers or in fluidized furnaces to prevent
abrasion due to dust particles when gas flow exceeds 10 m/s.
When using a ZR22G general-use separate-type detector in the horizontal position, be
sure to select a probe protector ZO21R-L-
Insertion Length: 1.05 m, 1.55 m, 2.05 m.
Flange: JIS 5K 65A FF equivalent. ANSI CLASS 150-4-FF (without serration) equiva-
lent. However, flange thickness is different.
Material: SUS316 (JIS), SUS304 (JIS) (Flange)
Weight: 1.05 m; Approx. 6/10 kg (JIS/ANSI), 1.55 m; Approx. 9/13 kg (JIS/ANSI), 2.05
m; Approx. 12/16 kg (JIS/ANSI)
Installation: Bolts, nuts, and washers are provided for detector, probe adapter and
process-side flange.
Suffix code Option
Model
code
ZO21R
-L
Insertion
-100
length
-150
-200
-J
Flange ( *1)
-A
Style code
*B
*1 Thickness of flange depends on dimensions of flange.
Washer (12)
Mounting nut (M12)
Gas flow
SUS316
l (Insertion length)
l=1050,1550,2050
Flange<1>
A
JIS 5K-65-FF
155
equivalent
ANSI CLASS
228.6
150-4-FF equivalent
- *B to support the probe.
Description
Probe Protector (0 to 700 C)
1.05 m (3.5 ft)
1.55 m (5.1 ft)
2.05 m (6.8 ft)
JIS 5K-65A-FF equivalent
ANSI CLASS150-4-FF equivalent
Style B
Flange <1>
(with bolts, nuts,
gasket and washer)
gasket (t1.5)
D
t
Dimensions of
holes on opposing surface
C
t
B
D
130
5
40
4 - 15
190.5
8 - 19
12
50
T2.2E.EPS
Unit mm
C
F2.3E.EPS
IM 11M12A01-02E
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