The Ashcroft DF diaphragm seal from Ashcroft, Stratford, CT, provides a means to isolate pressure instruments from harsh media. The flush flanged design eliminates the use of a lower housing and prevents clogging around the diaphragm. A raised face or ring joint flange mates directly to six different sized ASME flange unions. Several choices of diaphragm sizes, wetted materials, and instrument connections are available.
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