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NFPA/T3.21.18-1994 (R2004)

Pneumatic fluid power - Recommended practice for calibration and use of flowmeters

This NFPA Recommended Practice describes methods of calibrating pneumatic flowmeters used in laboratories and in production testing for pneumatic fluid power components. It describes how a reference device is prepared, calibrated and then used as the means to calibrate pneumatic flowmeters on-site. It further describes how flowmeters should be used in service and how they should be maintained.

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National Fluid Power Association [nfpa-fluid]

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