Owner's manual
<2. Specications>
2-9
IM 11M12A01-04E
2.1.3 ZO21R Probe Protector
This probe protector is required for the general-use detector when it is used for oxygen concentration
measurements in powdered coal boilers or in uidized furnaces to prevent abrasion due to dust
particles when gas ow exceeds 10 m/sec.
When probe length of the ZR202G is 2.5 m or more and mounted horizontally, be sure to select a
probe protector ZO21R-L-200-*B to support 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 or DIN PN10 DN50A equivalent. However, ange thickness is
different.
Material: SUS316 (JIS), SUS304 (JIS) (Flange)
Weight: 1.05m; 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 ange.
• Model and Codes
Model Sufx 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
-E
- - - - - - - - - - - -
- - - - - - - - - - - -
- - - - - - - - - - - -
JIS 5K 65 FF SUS304
ANSI Class 150 4 FF SUS304
DIN PN10 DN50A SUS304
Style code *B - - - - - - - - - - - - Style B
*1 Thickness of ange depends on dimensions of ange.
• External Dimension
Unit: mm
F2-3E.ai
D
Ø
B
C
Ø
B
Flange <1>
(with bolts, nuts and washer)
gasket (t1.5)
SUS316
Dimensions of
holes on opposing surface
ØA
Gas flow
Washer (12)
Mounting nut (M12)
l (Insert length)
l=1050,1550,2050
Ø60.5
Flange<1> A B C t D
JIS 5K 65 FF SUS304 155 130 4 - Ø15 5 40
ANSI Class 150 4 FF SUS304 228.6 190.5 8 - Ø19 12 50
DIN PN10 DN50A SUS304 165 125 4 - Ø18 12 50