YOKOGAWA EXAxt ZR22G, User Manual, Page: 27 / 211

<2. Specifications>
2-8
IM 11M12A01-02E 16th Edition : Mar. 19, 2020-00
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-
□
*B to reinforce the probe.
Insertion Length: 1.05 m, 1.55 m, 2.05 m.
Flange: JIS 5K 65A FF equivalent. ANSI Class 150 4 FF (without serration)
equivalent. However, flange thickness is different.
Material: SUS316 (JIS), SUS304 (JIS) or ASTM grade 304 (Flange)
Weight: 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)
Installation: Bolts, nuts, and washers are provided for detector, probe adapter and
process-side flange.
l
Model and Codes
Model Suffix code
Option
code
Description
ZO21R -L - - - - - - Probe Protector(0 to 700 °C)
Insertion
length
-100
-150
-200
- - - - - -
- - - - - -
- - - - - -
1.05 m (3.5 ft)
1.55 m (5.1 ft)
2.05 m (6.8 ft)
Flange ( *1) -J
-A
- - - - - -
- - - - - -
JIS 5K 65 FF
ANSI Class 150 4 FF
Style code *B - - - - - - Style B
*1 Thickness of flange depends on dimensions of flange.
t
F2-3E.ai
D
Ø
B
C
Ø
B
Flange <1>
(with bolts, nuts and washer)
gasket (t3.0)
SUS316
Dimensions of
holes on opposing surface
Ø
A
Gas flow
Washer (12)
Mounting nut (M12)
l (Insert length)
l=1050,1550,2050
Ø
60.5
Flange<1> A B C t D
JIS 5K 65 FF 155 130 4 - Ø15 5 40
ANSI Class 150 4 FF 228.6 190.5 8 - Ø19 12 50