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Aerospace

Aerospace emission control devices. Area monitors and filter change indicators for acids, mercury, hydrazine and nitrogen dioxide.

Aerospace emission control devices

Chemteq manufactures area monitors as well as filter change indicators and filters with end-of-service life indicators. Applications include hydrazines, MIL-87930, H-70 and nitrogen dioxide.
Filter Change Indicators

These filter change indicators, suitable for drum-type filters  are; BTI ,  BTI Inline, BTI with auxiliary filter trap  (suitable for highly toxic substances such as hydrazines). BTI 2 and BTI 3.

Filter Change Indicator Stickers

The BTIS are filter change indicators stickers for ductless hood filters, the BTIS B are leak detectors suitable for chemical cabinets and chemical transport vehicles .

We also manufacture three different sizes of filters with end-of-service life indicators for hydrazines, MIL-87930, H-70 and nitrogen dioxide.

Custom cut colorimetric indicators are available for wide range of chemicals including hydrazines, MIL-87930, H-70 and nitrogen dioxide.

Our indicators have shelf-life range between one year and two years, plus service life range between one year and two years. Sun light has no effect on the hydrazine indicators and they are waterproof.

Products Features:

  1.   Filter Change Indicators
aDiameter and threading

BTI: 1”. Inlet threading 0.75” MNPT

BTI-Inline: 1”. Inlet & 0utlet threading 0.75” MNPT

BTI AFT*: 1”

BTI2: 2”. Inlet threading 1.5” MNPT

BTI3: 3”. Inlet threading 2.5” MNPT

bHight

BTI: 3.5”

BTI-Inline: 3.5”

BTI AFT*: 5.1”

BTI2: 4.5”

BTI3: 4.5”

cOperating temperatures range:-20 – 4oC to 50 – 65oC (-4 – 39oF to 122 -149oF).
dOperating humidity:5% RH to 95%RH
fShelf-life range:1-2 years
gService life range:1-2 years
hAllowable fluids:Gases and vapors

*  Filter change indicator with auxiliary filter trap

2. Filter Change Indicator Stickers
aDiameter

Area Monitors**: 1.5”

BTIS: 1.25”

BTIS B***: 1.5”

bThickness

Area Monitors: 0.12”

BTIS: 0.12”

BTIS B***: 0.12”

cOperating temperatures range:-20 – 4oC to 50 – 65oC (-4 – 39oF to 122 -149oF).
dOperating humidity:5% RH to 95%RH
fShelf-life range:1-2 years
gService life range:1-2 years
hAllowable fluids:Gases and vapors

** Monitoring air quality. Suitable locations, on stack, duct, vent, or flue

*** Leak detectors suitable for chemical cabinets and chemical transport vehicles

Useful Links

Hydrazine

Nitrogen Dioxide

Aerospace emission control devices