Series 550 Sight Window

Shows Level or Contents of Tanks, Pipelines; Fused Glass and Steel Construction

The Series 550 Sight Window is a range of glass with plated steel body sight windows which display level or contents of tanks or pipelines. Connections are standard NPT in sizes ranging from 1/4 to 2".

Product Applications

Hydraulic Tanks
Pressure Vessels
Coolant Tanks
Hydraulic Lines
Oil Reservoirs

Models & Ordering

Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

COVID-19 Update: Due to high customer demand, lead time on some products may be up to two weeks. While this is a developing health situation, we are working continuously to take the necessary measures to ensure that the products you need are available with minimal interruption.

Model	Description	Usually Ships*	Price	Order
SFI-550-1 Ships: Next Day Price: $18.25	Sight window, 1" male NPT.	Next Day*	$18.25	Order
SFI-550-1/2 Ships: Next Day Price: $12.00	Sight window, 1/2" male NPT.	Next Day*	$12.00	Order
SFI-550-1/4 Ships: Less Than 1 Week Price: $8.70	Sight window, 1/4" male NPT.	Less Than 1 Week*	$8.70	Order
SFI-550-1-1/2 Ships: Next Day Price: $39.25	Sight window, 1-1/2" male NPT.	Next Day*	$39.25	Order
SFI-550-1-1/4 Ships: Less Than 1 Week Price: $31.50	Sight window, 1-1/4" male NPT.	Less Than 1 Week*	$31.50	Order
SFI-550-2 Ships: Next Day Price: $43.50	Sight window, 2" male NPT.	Next Day*	$43.50	Order
SFI-550-3/4 Ships: Next Day Price: $14.25	Sight window, 3/4" male NPT.	Next Day*	$14.25	Order
SFI-550-3/8 Ships: Less Than 1 Week Price: $10.25	Sight window, 3/8" male NPT.	Less Than 1 Week*	$10.25	Order

Specifications

Service:: Compatible gases and liquids.
Wetted Materials:: Window: glass; Body: plated steel.
Temperature Limit:: 200°F (93°C).
Pressure Limit:: 125 psig (8.6 bar).
Connections:: 1/4" to 2" male NPT.

Features

Glass to metal bond for utmost reliability
Plated steel bodies have convenient hex wrench surfaces for easy installation
Windows are clear, ripple free, and flush with the front face, with no recess on which dirt might collect