YOKOGAWA EXAxt ZR22G, User Manual, Page: 43 / 211

<2. Specifications>
2-24
IM 11M12A01-02E 16th Edition : Mar. 19, 2020-00
2.7.2 Dust Guard Protector (K9471UC)
Recommended to be used when sample gas is likely to flow directly into the cell due to its flow
direction in the stack or the like, flammable dust may go into the cell, or water drops are likely to
fall and remain in the cell during downtime or the like due to the installation position.
Material:
SUS316
Weight: Approx. 0.3 kg
4-
Ø
6
122
Ø
50.8
100
Increasing of insertion length
F11-1E.ai
2.7.3 Ejector Assembly for High Temperature (E7046EC,
E7046EN)
This ejector assembly is used where pressure of sample gas for high temperature detector is
negative. This ejector assembly consists of an ejector, a pressure gauge assembly and a needle
valve.
l
Standard Specifications
Ejector
Ejector Inlet Air Pressure: 29 to 69 kPa G
Air Consumption: Approx. 30 to 40 l/min
Suction gas flow rate: 3 to 7 l/min
Connection: Rc1/4, SUS304 (JIS)
Tube Connection: Ø6 / Ø4 mm or 1/4 inch copper tube (stainless tube)
Pressure Gauge Assembly
Material in Contact with Gas: SUS316 (JIS)
Case Material: Aluminum alloy (Paint color; black)
Scale: 0 to 100 kPaG
Connection: R1/4 or 1/4NPT, SUS304 (JIS) (with Bushing G3/8 x R1/4 or
1/4NTP)
Needle Valve
Connection: Rc1/4 or 1/4FNPT
Material: SUS316 (JIS)
(Note) Pipe and connections are not provided.
Part No. Description
E7046EC Ejector; Ø6 / Ø4 TUBE joint, Pressure gauge; R1/4,
Needle valve; Rc1/4: SUS304 (JIS)
E7046EN Ejector; 1/4 TUBE joint, Pressure gauge; 1/4NPT(M),
Needle valve; 1/4FNPT : SUS304 (JIS)