CMS Engineered Products LLC Corrosion Management Systems
CMS Engineered Products LLCCorrosion Management Systems
Fully Teflon (PFA) lined bulls eye type in-line sight glass

In-Line Teflon (PFA) Lined Bulls Eye Sight Glass  In Stock

Ductile iron (epoxy coated) body, fully Teflon (PFA) lined, thick borosilicate glass, Teflon (PTFE) gaskets; ANSI B16.5 150# flanged ends



F/F dimen.:














In-line process sight glass options (Ethylene)

In-Line Sight Glass:

Available in 316 stainless steel and lined Teflon (PFA) versions;

equipped with extra-heavy wall borosilicate glass and an added polycarbonate impact safety shield;

available 1” dia. thru 12” dia.;

lengths available from minimum 5” overall length to maximum x50” overall length, with stock/inventory on (standard) 8” overall length versions;

-20.deg.F to +350.deg.F operating temperature range;

full vacuum to 150.psig pressure rating (thru full temp. range);

360.deg. full view;

bubble-tight seat;

heavy-duty tie rods to limit deformation and reduce glass stress;

each and every unit is 100.% pre-tested and certified.


End connections available:

flanged; or

tri-clamp (1” dia. thru 4” dia. size for high purity/sterile process lines)


Available options:

flow indicators (vertical and horizontal, for low flow applications);

double containment purge/control of area between glass tube and exterior safety shield (1” dia., 1-1/2” dia. and 2” dia. sizes);



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Contact Information

Corporate address:

CMS Engineered Products LLC

1322 W Winona

Unit #3S

Chicago, IL  60640


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Corrosion resistant PTFE

We specialize in PTFE molded expansion join/flex connectors - many in stock for immediate shipment; custom products available upon request.


Please also review our fully PFA lined ball & butterfly valve products for your corrosive and/or aggressive fluid transfer applications.


Biopharm, pharmaceutical, industrial-grade products available, many out of inventory for immediate shipment.

All major credit cards accepted for immediate purchase
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