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4″ Round Observation Port MKA

The standard housings are made of Carbon Steel. Fabrication in other metal materials is also possible.

Stainless Steel Units along with other sizes are available upon request.

Viewing Area – 3-9/16″
B. 7-1/8″
C. 1/8″
D. 1″
E. 6-3/8″
F. 6 @ 9/32″

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Description

The standard housings are made of Carbon Steel. Fabrication in other metal materials is also possible.

Stainless Steel Units along with other sizes are available upon request.

Quartz Clear – Designated by a “Q” in the model number. Maximum intermittent operating temperature is 2048°F. Maximum continuous operating temperature is 1600°F (Glass Only)*.
Pyrex Clear – (borosilicate glass) Designated by a “P” in the model number. Maximum intermittent operating temperature is 554°F. Maximum continuous operating temperature is 446°F (Glass Only)* . Glass is heat strengthened for safety and is coated with a heat reflecting shield.

Viewing Area – 3-9/16″
B. 7-1/8″
C. 1/8″
D. 1″
E. 6-3/8″
F. 6 @ 9/32″


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

Data Sheets

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