Peep Sites For Boilers
These observation ports are for low-pressure applications only.

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High Temp Low Pressure Peep Sites

The Hi-Temp Peep Sites have standard NPT male pipe threads. Each unit is carefully assembled with a quartz lens and grafoil gaskets. The quartz lens is suited for a maximum intermittent operating temperature of 2048°F, and continuous operating temperature of 1600°F. Each unit is carefully assembled with a quartz lens and grafoil gaskets. (Blue Vycor lenses are available upon request, please contact sales for details). The quartz lens allows for visual or optical pyrometer checking of the flame or operation of vessel. The lens can easily be removed for cleaning or replacement. Standard stocked units range in size from 1/2" to 2".

Peep Sites Available in:
Stainless Steel (Service up to 1700°F)
Carbon Steel - Zink Plated (Service up to 900°F)
Carbon Steel - Nickel Plated (Service up to 1600°F)

Peep Site Dimensions

Part Number	Pipe Size	Viewing Area	A	B	C	Unpacked Weight	PSI Rating
3/4PS	3/4"	3/4"	1-1/2"	1-1/2"	3/4" NPT	1/2 lb	5
1-1/4PS	1-1/4"	1-1/4"	2"	1-23/32"	1-1/4" NPT	1 lb	5
2PS	2"	2"	2-3/4"	1-3/4"	2" NPT	1 lb	5

Glass Options

	Code Number	Thickness	Max. Int. Temp.	Max. Con. Temp.
Quartz Clear Glass	Q	1/4"	2048°F	1600°F

Temperature ratings apply only for the operating conditions of the glass. Ratings for housings vary on type of steel.

Contact Us Directly:

Toll Free: 1-800-780-3776
Int'l Phone: 770-957-9599
Int'l Fax: 770-957-9563
E-Mail: Email Your Request

Mailing Address: Power Plus International
143 McDonough Parkway
McDonough, GA 30253

Peep Sites For Boilers These observation ports are for low-pressure applications only.

Peep Sites For Boilers
These observation ports are for low-pressure applications only.