Metric Sight Glass

These sight windows are typically used for visual inspection, machine vision, optical sensors in use with all common hydraulic oils, refrigeration, water heaters and compressed air applications. Metric sight glasses with male fittings conforming to ISO 6149-1 standard, (SAE 2244-1/DIN 3852, Part 3). The housings have metric straight threads to ISO 262. In other words, metric sight glasses are governed by ISO 6149-1 for the port details, and the threads are governed by Metric ISO 261 standard.

The windows in these metric sight glasses are fused, bonded or sealed with a gasket within their metal housings. The part is easy to install, and has a long working life without maintenance. Be sure to use the installation guide to ensure proper torque is used, as glass windows need some diligence during installation.

Encole

Metric Sight Glasses, 316 Stainless Steel, Quartz Windows

Sight windows with metric threads conforming to ASME B1-1.3M-2005. For visual inspection, machine vision, laser sensors, in use with all common hydraulic oils, refrigerants, pharmaceutical processing equipment, paper & pulp plants, marine exterior, oil wells, feedwater heaters. Resists most oxidizing acids and salt sprays.

AISI 316 Stainless Steel housing has a finish of 32 RMS providing smooth surfaces reducing residues or particle contaminants. Quartz window is sealed into the housing with non-outgassing quartz-filled bond forming a single-piece part. This sight glass has a long working life under severe temperature swings and prolonged exposures to UV light.

Required port to Standard: DIN ISO 6149-1. Male stud of the fitting conforms to: ISO 6149-2/3 for use with O-ring ISO M18.

Aperture Dia.ThreadMax Operating PressureMax Operating Temp.Housing MaterialWindow MaterialMfg. P/N.Encole P/N.Price
9.50 mmM18 x 1.5210 bar70 CAISI 316Quartz100488266A1000$348.36each
11.60 mmM20 x 1.5210 bar65 CAISI 316Quartz100491266A1001$366.04each
16.30 mmM27 x 2210 bar55 CAISI 316Quartz100497266A1003$427.35each
21.80 mmM33 x 2210 bar50 CAISI 316Quartz100500266A1004$464.68each
30.00 mmM42 x 2210 bar45 CAISI 316Quartz100503266A1005$530.00each
35.10 mmM48 x 2210 bar40 CAISI 316Quartz100506266A1006$662.58each
45.70 mmM60 x 2200 bar35 CAISI 316Quartz100509266A1007$701.42each
Metaglas, Herberts Industrieglas GmbH & Co. KG

M-Threaded Sight Glass, Borosilicate Fused to Duplex Steel 2205 or Hastelloy Housing

Sight windows with straight metric threads sealing with an O-ring. Female connection port conforming to DIN 3852 Type F.

For visual inspection, machine vision, optical sensors, in use with all common hydraulic oils, refrigeration, water heaters, and compressed air applications.

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.

Aperture Dia.ThreadMax Operating PressureMax Operating Temp.Housing MaterialWindow MaterialMfg. P/N.Encole P/N.Price
10.00 mmM18 x 1.550 bar280 C2205 DuplexBorosilicateMet 61-M18 x 1.5S702M18$195.03each
10.00 mmM18 x 1.550 bar300 CHastelloy C-22BorosilicateMet 61-M18 x 1.5H703M18$398.80each
12.50 mmM20 x 1.550 bar300 CHastelloy C-22BorosilicateMet 61-M20 x 1.5H703M20$459.75each
16.50 mmM26 x 1.550 bar300 CHastelloy C-22BorosilicateMet 61-M26 x 1.5H703M26$515.80each
16.50 mmM27 x 250 bar300 CHastelloy C-22BorosilicateMet 61-M27 x 2H703M27$538.98each
22.00 mmM33 x 250 bar300 CHastelloy C-22BorosilicateMet 61-M33 x 2H703M33$575.90each
24.00 mmM42 x 250 bar300 CHastelloy C-22BorosilicateMet 61-M42 x 2H703M42$649.47each
26.00 mmM48 x 250 bar300 CHastelloy C-22BorosilicateMet 61- M48 x 2H703M48$698.54each
34.00 mmM60 x 250 bar300 CHastelloy C-22BorosilicateMet 61-M60 x 2H703M60$757.41each
12.50 mmM20 x 1.550 bar280 C2205 DuplexBorosilicateMet 61-M20 x 1.5S702M20$223.70each
16.50 mmM26 x 1.550 bar280 C2205 DuplexBorosilicateMet 61-M26 x 1.5S702M26$275.80each
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