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Circular Sight Glasses


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NW

Weld Pad Style Circular Sight Glasses

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Series NW weld pad connection.

Series NW sight glasses are offered with nominal viewing diameters of 3", 4", 5", 6", 7", and 9". Custrom sizes and configurations are available upon request. Series NW sight glasses are manufactured from ASME Section VIII acceptable metals. Each sight glass is thoroughly inspected and will provide long and useful service under the most demanding processing conditions. Optional accessories include Type I wiper, Type II wiper and Type I spray washer, Type II spray washer assemblies and Type III Spray Rings. Series NW sight glasses are also available with Series PL, MSL, SLEX, REX, or FBX illuminators.

ASME code calculations and any resulting additional material needed to ...
PLF Series Circular Sight Glasses with Light

PLF Series Circular Sight Glasses with Light

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Series PLF - Combination light/sight glass for low pressure applications.

The Series PLF Light/Sight glasses are very economical and popular units for baghouses, electrostatic precipitators, ductwork, and many other low pressure applications. The unit utilizes a thin lower flange with the Series PL lighting fixtures supporting the lens and seal gasket.
NW-BW

Series NW-BW; Weld Neck Style Circular Sight Glasses

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This series of weld neck style sight glasses are designed for welding to a stub end pipe or may be suppied with a radius to saddle the pipe. Each is rated for 150 PSIG (10.3 Barg) at 300 ºF (149 ºC) with a tempered soda lime lens and 500 ºF (260 ºC) with a borosilicate lens. Sight glasses are constructed using code materials. Optional accessories include Series PL, MSL, SLEX, REX, FBX illuminators, and Type I wipers.
NW-RF Picture

Threaded Style Circular Sight Glasses

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This series of sight glasses are designed for attachment to stub end pipe, ANSI flanged nozzles or vessel studding outlets. Each is rated for 150 PSIG (10.3 Barg) at 300 ºF (149 ºC) with a tempered soda lime lens and 500 ºF (260 ºC) with a borosilicate lens. Sight glasses are constructed using code materials. Optional accessories include Series PL, MSL, SLEX, REX, FBX illuminators, and Type I wipers.
NW-RF Picture

Flanged Style Circular Sight Glasses, NW-RF

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This series of sight glasses are designed for attachment to an existing ANSI flanged nozzle or vessel studding outlet. Each is rated for 150 PSIG (10.3 Barg) at 300 ºF (149 ºC) with a tempered soda lime lens and 500 ºF (260 ºC) with a borosilicate lens and compatible gasket. Sight glasses are constructed using code materials. Optional accessories include Series PL, MSL, SLEX, REX, FBX illuminators, and Type I wipers.  High pressure ratings and ANSI Class connections are available upon request. Note: Series NW-RF sight glasses are not supplied with fasteners unless explicitly stated otherwise.