Observation Window and Panel Bushes

Observation Windows are designed to allow users to monitor the contents of rigid and flexible containers from the outside. At the same time, Panel Bushes are used to allow the mounting and removing of desiccators or humidity indicators without the need to open the containers up, which increases productivity, allowing a more efficient inspection and replacement, saving time and cost.

Stream Peak offers a range of Observation Windows & Panel Bushes such as:

9/16-21 UNF-3B Thread

The 9/16-21 UNF-3B Thread is an M42 Thread Mounting Flange used to mount desiccators and other items. This unit includes a retaining back nut and washer assembly for mounting into panels. It also allows desiccator and breathers to be removed and refilled without opening the containers they are installed to.

BLD2719/08-17 – Panel Bush

This unit is a various metric thread Panel Bush used to mount desiccators and other items. It features a key slot to prevent movement and can be welded or bonded into position. Allowing the desiccator and breathers to be removed and refilled without opening the containers they are installed to.

BLD9291

A ¾” thread anodised aluminium Observation Window, this unit features a 0.55 inch (14mm) diameter non-breakable plastic viewing window that allows users to observe the contents of the container easily, saving cost and improving productivity by eliminating the need to open packages for inspection. The unit also accepts TA378-HC-MHI Maximum Humidity Indicator Element or any of the standard MIL-I-26860 Color-Change Discs. It can be installed in flexible barriers through a 1.05 inch (26mm) diameter hole. Nut and two gaskets are furnished. Rigid containers are also applicable through removing one gasket and one nut. NSN #8145-01-166-9684. The BLD9291 is suitable for use on NEMA 1, 2, 3, 3R, 3S, 4, 5, 6, 12, 12K and 13 enclosures, as well as IP66/IP67 enclosures. Other NEMA or IP enclosures are also suitable depending on applications.

BLD9292

A 1.4375 UNEF thread anodised Observation Window, this unit has a 1.0 inch (25mm) diameter non-breakable plastic viewing window that allows users to easily observe the contents of the container, saving costs and improving productivity by eliminating the need to open packages for inspection. This unit also accepts TA384-HC-MHI Maximum Humidity Indicator Element or Other Color-Change Disc (single or split level). Besides, it can be installed in flexible barriers through a 1.45 inch (37mm) diameter hole. Nut and two gaskets are furnished. Rigid containers are also applicable by removing one gasket and reversing the nut. The BLD9292 is suitable for use on NEMA 1, 2, 3, 3R, 3S, 4, 5, 6, 12, 12K, and 13 enclosures, as well as IP66/IP67 enclosures. Other NEMA and IP enclosures are also applicable depending on the applications.

Click here to view other Humidity Indicators or read an article about Humidity Indicator Cards here.