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D.5
Air shield: PN 00975-9000-0005
The air shield is suitable for use with the Rosemount 975 series flame detectors for both
the aluminum and stainless steel enclosures.
Optical flame detectors are often used in highly polluted or dirty areas that force
maintenance personnel to access the detector frequently to clean its optical window. The
special air shield, developed for the Rosemount 975 series optical flame detectors, allows
operators to install the flame detectors under tough environmental conditions where they
may be exposed to oil vapors, sand, dust, and other particulate matter.
The temperature of the air supply to the air shield should not exceed 140 °F (60 °C) at any
time.
Air pressure source: clean, dry, and oil-free air
Inlet pressure: 30-45 psi (2-3 bar), maximum 100 psi (7 bar)
Cubic feet per minute: 1.5-2.8
Tube outside diameter:
¼
-in. national pipe thread (NPT)/6 mm
Connecting adapter size: 7/16-in. NPT
Operation temperature: -67 to 185 °F (-55 to 85 °C)
For more instructions, refer to the
Rosemount 975 Air Shield Manual (00809-0700-4975)
Figure D-5: Rosemount 975 Air Shield
Accessories
Reference Manual
June 2021
00809-0100-4976
74
Emerson.com/Rosemount
Legacy
Содержание Rosemount 975HR
Страница 28: ...Introduction Reference Manual June 2021 00809 0100 4976 28 Emerson com Rosemount L e g a c y ...
Страница 42: ...Installing the detector Reference Manual June 2021 00809 0100 4976 42 Emerson com Rosemount L e g a c y ...
Страница 66: ...RS 485 communication network Reference Manual June 2021 00809 0100 4976 66 Emerson com Rosemount L e g a c y ...
Страница 78: ...SIL 2 features Reference Manual June 2021 00809 0100 4976 78 Emerson com Rosemount L e g a c y ...