SIGHT GLASS

The Model A Flange unit mounts on standard ANSI B16.5 (2″ to 8″) flange accommodations, and can be manufactured to meet a wide range of pressure and temperature requirements. The lens and packing are contained by a retainer ring on the process side of the flange. Different materials of construction are available to meet your process needs. Applications requiring DIN standards or non-ANSI flanges are available upon request.
• Size available – 2″ NB to 8″ NB

The Model B Weld unit, with its bolt-down lens retainer cap, is designed for adaptation to new or existing equipment to become an integral part of a vessel shell, vessel head, manway cover or in a pipeline system. It is available with the weldment contoured to fit a specific radius (cylindrical or spherical) and can be mounted flush with the interior or directly to the outside of the vessel shell. The unit can be designed for sizes from 2″ to 24.” Units can be manufactured to meet your pressure and temperature requirements, and different materials of construction are available to meet your process needs. The Model B Weld can be utilized with other types of connections including butt-weld, socket-weld, pipe thread, or sanitary. Units can be supplied with built -in spray ring or wiper.
• Size available – 2″ NB to 24″ NB

The Bulls Eye is designed to satisfy the need for a threaded connection. The Bulls Eye unit is available for 1/8″ to 2″ MNPT pipe thread connections, and can be manufactured to meet your pressure and temperature requirements. Different materials of construction are available to meet your process needs. This unit can be utilized with other types of connections including NPT plug, weld, socket-weld, flange, sanitary, or as specified.
• Size available – 1/8″ MNPT to 2″ MNPT

The Hinged Closure Sight Glass provides immediate access to the process, and is designed for mounting PresSure Products Model B or Model L units (depending on pressure requirements) to be hinged and sealed on an O-ring or gasket. Different materials of construction are available to meet your process needs. Units are designed for a weld pad or flange connection (ANSI, DIN, or special bolt pattern).
• Size available – 2″ NB to 8″ NB

The Wiper Assembly satisifies the need to wipe the lens clean on the process side of the sight glass. It is designed to fit with mating gaskets between a standard flange (ANSI B16.5) and most PresSure Products sight glass flange units (ANSI B16.5). The outside diameter of this Wiper is machined to fit inside of the flange bolts, thereby centering the Wiper. The Wiper can also be built as an internal component of most PresSure Products sight glass weld units. Sizes for non-ANSI flanges are available upon request.
• Size available – 2″ NB to 8″ NB