Series 500 Sight Window

Shows Level or Contents of Tanks, Pipelines; Tempered, Replaceable Glass Window

Tough, tempered glass window resists chemical attack and abrasion. Seamless gasket assures perfect seal and is easily field replaceable. In addition to the standard brass body, Model 500 Sight Windows are also available in carbon steel or 316 stainless steel to suit a wide range of chemical compatibility.

Product Applications

Hydraulic Tanks
Pressure Vessels
Coolant Tanks
Hydraulic Lines
Oil Reservoirs

Models & Ordering

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Brass
Carbon Steel
316SS
Custom Built Products

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.

Build Your Custom Part. Use our Product Configurator

Model	Description	Usually Ships*	Price	Order
SFI-500B-1 Ships: 1-2 Weeks Price: $48.00	Sight window, 1" male NPT.	1-2 Weeks*	$48.00	Order
SFI-500B-1-1/2 Ships: 1-2 Weeks Price: $69.50	Sight window, 1-1/2" male NPT.	1-2 Weeks*	$69.50	Order
SFI-500B-1-1/4 Ships: 1-2 Weeks Price: $63.00	Sight window, 1-1/4" male NPT.	1-2 Weeks*	$63.00	Order
SFI-500B-2 Ships: 1-2 Weeks Price: $77.00	Sight window, 2" male NPT.	1-2 Weeks*	$77.00	Order
SFI-500B-3/4 Ships: 1-2 Weeks Price: $39.00	Sight window, 3/4" male NPT.	1-2 Weeks*	$39.00	Order

Can't find what you need? Build Your Custom Part. Use our Product Configurator

Specifications

Service:: Compatible gases and liquids.
Wetted Materials:: Window: tempered glass; Body: brass, carbon steel, or 316 SS; Gasket: Buna-N on brass and carbon steel body, PTFE on 316 SS body.
Temperature Limit:: 200°F (93°C).
Pressure Limit:: 125 psig (8.6 bar).
Connections:: 3/4" to 2" male NPT.
Agency Approvals:: Meets the technical requirements of EU Directive 2011/65/EU (RoHS II).

Model Chart

EXAMPLE	SFI	500B	3/4	G1	Series SFI-500B-3/4-G1 Sight Window, brass, 3/4" body, with PTFE gasket
SERIES	SFI				Sight Window
BODY STYLE		500B 500CS 500SS			Brass Carbon Steel 316SS
BODY SIZE			3/4 1 1-1/4 1-1/2 2		3/4" 1" 1-1/4" 1-1/2" 2"
OPTIONS				G1 ST	PTFE Gasket Stainless Steel Tag