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Gauge Isolators

Chemline SI Series Gauge Isolators allow inexpensive pressure gauges, or any other pressure instrument to be used in corrosive services. The upper chamber (gauge side) is filled with a stable fluid such as glycerin‡. A diaphragm separates it from the lower chamber which receives the media under pressure.

The 1/2" gauge connection allows use of the popular 4" and 4-1/2" diameter gauges. A customer can easily fill an isolator and install his own gauge.

Isolate Pressure Instruments from Corrosive Media
Teflon ® Diaphragm

PVC, PP, PVDF

Series: SI
Inlet Connection: 1/2" Threaded†
Instrument Connection: 1/4" or 1/2" Threaded
Diaphragm: Teflon®

†    Other available inlet connections are 1/4" threaded, 1/2" socket or 1/2" to 1" flanged.
‡    Other fluids are available for special applications such as chlorine service.


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GaugeIsolator
Optional Gauge - Isolators are available alone or with gauge mounted and pre-filled with glycerin‡.

A    PVC isolator with 4" gauge.
B    PVDF isolator with 4-1/2" gauge.
C    PVC isolator with 2" gauge.
D    PP isolator with pressure transmitter.

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