ConFlat, CF Sight Glass

Conflat sight windows for ultra-high vacuum. Housing is designed to ISO 3699 connections.

ConFlat, CF Sight Glasses, Borosilicate Fused to Duplex Steel 2205 or Hastelloy Housing

CF flanged sight windows for ultra high vacuum applications and sanitary processing equipment. Suitable configuration for DUV lithography and UV inspection in semiconductor applications, food, and pharmaceutical industries. Designed for use with standard metal gaskets to ISO 3699 connections.

Fusing glass to metal creates a hermetically sealed single-piece part. The advantage of this construction is high strength of the glass, which ensures safety of operation, even during cycling operating temperatures common with equipment starts and stops. The part is easy to install, and has a long working life without maintenance.

Nominal Pipe Size Aperture Dia. Housing Material Window Material Max Operating Temp. Encole Part Number Price
1-1/3" (DN16) 18.00 mm 2205 Duplex Borosilicate 280 C 909N03 $339.67 each
1-1/3" (DN16) 18.00 mm Hastelloy C-22 Borosilicate 300 C 910N03 $1,875.36 each
2-3/4" (DN40) 35.00 mm 2205 Duplex Borosilicate 280 C 909N06 $379.45 each
4-1/2" (DN63) 60.00 mm 2205 Duplex Borosilicate 280 C 909N08 $1,215.15 each
6" (DN100) 70.00 mm 2205 Duplex Borosilicate 280 C 909N10 $1,449.67 each
8" (DN160) 90.00 mm 2205 Duplex Borosilicate 280 C 909N12 $1,803.28 each
10" (DN200) 120.00 mm 2205 Duplex Borosilicate 280 C 909N13 $2,174.39 each
2-3/4" (DN40) 35.00 mm Hastelloy C-22 Borosilicate 300 C 910N06 $2,142.75 each
4-1/2" (DN63) 60.00 mm Hastelloy C-22 Borosilicate 300 C 910N08 $2,468.88 each
6" (DN100) 70.00 mm Hastelloy C-22 Borosilicate 300 C 910N10 $2,793.64 each
8" (DN160) 90.00 mm Hastelloy C-22 Borosilicate 300 C 910N12 $3,165.79 each
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