Plastic, Diaphragm Seals, Gauge Isolators

Plastic Diaphragm Seals (Gauge Isolators)

Chemline SG 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 glycerine‡. 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. Pressure switches or transmitters may also be installed. Customers can easily fill isolators and install their own gauges.


Isolates Pressure Instruments
from Corrosive Media

Teflon® Diaphragm

PVC, PP, PVDF

Series: SG
Inlet Connection: 1/4" or 1/2" Threaded†
Instrument Connection: 1/4" or 1/2" Threaded
Diaphgram: 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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Or Call: 905 - 889 - 7890

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