Threaded Sight Windows
| A quick solution for pipe or tank observation. |
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Available with brass or stainless steel retaining rings, these sight windows can be used anywhere
that a 1/4" to 3" piping "T" or a female NPT exists.
The two available Threaded Sight Windows are rated at ANSI 150# and 300# using tempered borosilicate glass. There are
no dimensional differences between the 150# and 300# models.
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Models |
| WTSL |
Threaded Sight Window (150#) |
| WTSM |
Threaded Sight Window (300#) |
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The Threaded Sight Window is similar in design to the Threaded Window Sight Flow Indicator. The outer retaining
ring compresses the glass between the gasket and cushion.
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Spanner wrenches for window removal are available from Penberthy. The spanner wrenches have a 1/4" or
1/2" drive socket for torque wrench. All Threaded Sight Windows are machined from hex barstock.
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Materials of Construction for Threaded Glass Housing
Hex Brass, Carbon Steel and Stainless Steel barstock.
Consult factory for other material.
Dimensions
Standard sizes from: 1/4" to 3"
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| Conventional Sight Windows |
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Observe the possibilities of our sight windows.
Available in eight models, Penberthy sight window materials conform to ASTM specifications. Conventional Sight Windows are available
with vision diameters ranging from 1-1/16" to 9" depending on the model and size selected.
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| Models |
| WP |
Flat Pad |
| WPR |
Radius Pad |
| WS |
Socketweld |
| WW |
Weldneck |
| WTM |
Threaded (NPT Male) |
| WTF |
Threaded (NPT Female) |
| WF |
Flanged |
| WFW |
Weldneck Flanged |
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| Sight windows are used when direct reading is required for liquid processes. Windows can be directly
mounted to the vessel wall or they can be adapted to a multitude of connection styles.
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Materials of Construction for Glass Housing and Pad
WP, WPR:
SA-515 GR 70 Steel; SA-240 Gr STS 316L
WTF, WF:
SA-515 Gr 70 Steel; SA-240 Gr STS 316
WW,WFW,WTM,WS:
ASTM A105 Gr II Steel; ASTM 182 Gr STS F316L
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Oblong Sight Windows
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These extended vision windows are quite a sight.
These Oblong Sight Windows increase the viewing length beyond that of conventional sight windows. The angle of vision into a
tank or vessel is enhanced so that more of the process liquid can be observed from a single viewing location. |
| Models |
| WPO |
Oblong Sight Window (Flat Pad) |
| WPOR |
Oblong Sight Window (Radius Pad) |
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Designed for 150 PSIG operating pressure and 500 o F (260 o C), these sight windows can be specified with
a flat or radius welding pad. The Oblong Sight Window is mounted directly to the vessel wall.
Materials of Construction
Carbon Steel
Stainless Steel
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