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- 产品描述
-
What
Pressurized barrier gas control system .
Gas seal support typically nitrogen barrier gas
Why
Isolate process fluid .
Zero process emissions .
Where
Used with dual pressurized gas seals .
High vapor pressure fluids ,light hydrocarbons
Hazardous /toxicfluids
Services that do not tolerate liquid barrier seals .
Clean ,non-polymerizing fluids
Moderate temperature fluids .
Preventative Maintenance
Clean ,reliable ,pressurized gas must be supplied to seal at all
times .
Barrier pressure is typically at least 1.75 bar ( 25psig )above
seal chamber pressure .Flow indicator shows both inboard
and outboard seal leakage .
Bottled gas supply is not recommended except as part of
emergency backup system
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