YOKOGAWA ZR22S, User Manual

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<2. Specifications>
2-22
IM 11M13A01-02E
2.7 Other Equipments
2.7.1 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.
Standard Specifications
Needle Valve
Connection: Rc1/4 or 1/4 FNPT
Material: 316 SS (JIS)
Pressure Gauge Assembly
Material in Contact with Gas: 316 SS (JIS)
Case Material:
Aluminum alloy (Paint color; black)
Connection: G3/8 x R1/4 or 1/4 FNPT
Scale: 0 to 100 kPaG
Ejector
Ejector Inlet Air Pressure: 29 to 69 kPaG
Air Consumption:
Approx. 30 to 40 L/min
Suction gas flow rate: 3 to 7 L/min
Connection to Blow: Rc1/4, 304 SS (JIS)
Tube Connection:
Ø 6 / Ø 4 mm or 1/4 inch copper tube (stainless tube)
(Note) Pipe and connections are not provided.
Part No. Description
E7046EC Needle valve; Rc1/4, Ejector; Ø6 / Ø4 TUBE joint, Pressure gauge; R1/4
E7046EN Needle valve; 1/4 FNPT, Ejector; 1/4 TUBE joint, Pressure gauge; 1/4 NPT
Dimension
F02-12E.ai
Needle valve
<1>
<2>
Pressure gauge
Pressure gauge assembly
Nozzle (Note1)
R1/2
Ejector
Detector
<1> Rc1/4 or 1/4 FNPT
<2> Ø6/Ø4 or 1/4 inch copper tube (stainless)
with ejector to connect
<3> R1/4 or 1/4 NPT
40
20
Tee
Blow Rc1/4
Connector (Tee) is not
included in ejector assembly.
Ø43
Approx. 67
Approx. 88
39
Approx. 70 38
Full open
height
(Note1) The connecter of ejector is a dedicated
connecter with nozzle function.
Instrument air inlet
<3>