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For ventilation and air-conditioning
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For ventilation and air-conditioning
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For ventilation and air-conditioning
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For industrial heat exchangers
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For wet sprinkler systems, with adjustable time delay
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Portable multi-function calibrator
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For custody transfer of gases
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Models FLC-OP, FLC-FL, FLC-AC
Orifice plate, Orifice flange, Annular chamber