With a simple twist of the sight glass, integral wipers clean the viewing area to allow unobstructed observation of th rotor. The offending contaminants are then simply washed away by the medium flow. This process may be repeated as often as desired - no fuss - no downtime.
Available with brass or stainless steel fittings with female threads 1/4" to 1-1/2" NPT. The body is made of a hard glass (Duran) and the rotor and wipers are synthetic. The device is kept tight and rotatable through the use of low friction o-rings.
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