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Bull's Eye Sight Indicators
PTFE-Lined, 150lb. Flanged
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Resistoflex Bull's Eye Sight Indicators are ideal for observing fluid
characteristics of severely corrosive liquids. Motion, flow and color
can be inspected visually during the process, since these indicators
are equipped with two heavy Pyrex* tempered and polished glass windows
for ANSI Class 150 service.
Drip Lips of PTFE are suggested for use with Resistoflex Sight Indicators
where, because of small quantity of liquid in line, it is difficult
to determine if flow is present. These devices collect the liquid and
allows it to spill from the drip lip which is located at the center
of the glass. Drip lips can only be used in vertical lines. |
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Flutter Flow Indicators are recommended in any service where it is
necessary to determine if a line is completely full or completely
empty. Movement in the flutter flow indicator shows that the line is
full.
Notes: Ductile Iron (A395) Bull's Eye Sight Indicators have vacuum ratings
as shown in the table at the right and their maximum temperature rating
is 400°F. 100% of Bull's Eye Sight Indicators are hydrostatically
tested at 425 psig prior to shipment.
*Pyrex is a Corning Glassworks trademark. |
Convert To Metric Units
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If the Sight Indicator is to include a Flutter Flow Indicator, the
second character in the part number should be "F" (5F00B1VV0N200). If it is
to include a Drip Lip, the third character of the part number should
be "D" (50D0B1VV0N200). If both a drip lip and a flutter flow are
required, use both characters (5DF0B1VV0N200).
Dimensional Data
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Fabricated Bull's Eye Sight Indicator in CS or SS |
Notes: Fabricated Bull's Eye Sight Indicators are rated for full vacuum
service from 20°F to
400°F and are available with stainless steel housings and flanges.
Replacement of Glass or Gaskets
Resistoflex supplies spare parts for the Bull’s Eye Sight Indicator,
including the glass element, PTFE gasket, FEP disc, fiber gasket,
and retaining flange. Re-assembly and hydrostatic test procedure
must be followed as outlined in the
Rebuild Procedure. Note - when
a Bull’s Eye Sight Glass Indicator is rebuilt, the user must always
replace the PTFE gasket and FEP disc. |
"This page is a machine translation of the source page, which is written in
English. This translation is intended to provide a general idea of the
page's content, and is not guaranteed for accuracy."
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