Ashcroft has introduced the Type 82 threaded isolation ring. Equipped with 1/2 to 2 NPT threaded pipe connections, it is designed for smaller piping applications too narrow to accommodate an internal isolation ring. Also referred to as a “barrel seal,” this economical flow-through design eliminates traps where clogs can form, thereby reducing the need for frequent maintenance. A smooth, flexible wall expands under pressure to displace isolated fill fluid into the measurement device. A choice of internal elastomer materials, fill fluids and housing materials (including 316 stainless steel) ensure compatibility with a wide range of process media and environmental conditions.
Ashcroft
Image provided by City of Grand Forks.
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Image courtesy University of Queensland.
