YOKOGAWA ZR202S, User Manual, Page: 31 / 163

<2. Specifications>
2-11
IM 11M13A01-04E
2.1.3 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.
Insertion Length: 1.05, 1.55, 2.05 m.
Flange:
JIS 5K 65A FF equivalent. ANSI Class 150 4 FF (without serration) equivalent .
However, flange thickness is different.
Material: 316 SS (JIS), 304 SS (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 protector and process-side
flange.
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 SUS304
ANSI Class 150 4 FF SUS304
Style code *B - - - - - - - - - - Style B
*1 Thickness of flange depends on dimensions of flange.
F2-4E.ai
D
ØB
C
ØB
Flange <1>
(with bolts, nuts and washers)
Gasket (Thickness 3.0)
316 SS (JIS)
Dimensions of holes on opposing surface
ØA
Gas flow
Washer (M12)
Mounting nut (M12)
l (Insert length)
l=1050,1550,2050
Ø60.5
t
Unit: mm
Flange<1> A B C t D
JIS 5K 65 FF 304 SS (JIS) 155 130 4 - Ø15 5 40
ANSI Class 150 4 FF 304 SS (JIS) 228.6 190.5 8 - Ø19 12 50