2 zo21r_l probe protector, 2 zo21r-l probe protector – Yokogawa Single Channel Oxygen Analyzer System ZR22/ZR402 User Manual

Page 27

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IM 11M13A01-02E

2-8

2.2.2

ZO21R-L 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 fluidized furnaces to prevent
abrasion due to dust particles when gas flow exceeds 10 m/s.

When using a ZR22S separate-type explosionproof detector in the horizontal position, be
sure to select a probe protector ZO21R-L-

ᮀᮀᮀ-ᮀ*B to support the probe.

Insertion Length:

1.05 m.

Flange:

JIS 5K 65A FF SUS304. ANSI Class 150 4 FF (without serration).
However, flange thickness is different.

Material:

SUS316 (JIS), SUS304 (JIS) (Flange)

Weight:

1.05 m; Approx. 6/10 kg (JIS/ANSI)

Installation:

Bolts, nuts, and washers are provided for detector, probe adapter
and process-side flange.

T2.2E.EPS

ZO21R

JIS 5K 65 FF SUS304
ANSI Class 150 4 FF SUS304

-L

Probe Protector (0 to 700

ЊC)

-100

1.05 m (3.5 ft)

Insertion
length

Flange ( *1)

*1 Thickness of flange depends on dimensions of flange.

Model

Suffix code

Option

code

Description

-J

-A

Style code

*B

Style B

Flange<1>

JIS 5K 65 FF
SUS304

155

228.6

130

190.5

5

12

A

B

C

t

ANSI Class
150 4 FF SUS304

40

50

D

F2.2E.EPS

D

Flange <1>
(with bolts, nuts,
gasket and washer)

gasket (t1.5)

SUS316

Dimensions of
holes on opposing surface

␾〈

Gas flow

Washer (12)

Mounting nut (M12)

l (Insertion length)

l=1050

B

C

B

4 -

л15

8 -

л19

t

60.5

Unit

Ϻ mm

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