John C. Ernst Co, Inc.
John C. Ernst Co, Inc.
21 Gail Court
Sparta, NJ 07871-3438
USA

Toll Free: 888.943.5000
Phone: 973.940.1600
Fax: 973.940.1620
Email: sales@johnernst.com
Website: www.johnernst.com
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Benefits & Features
  • Glass Fused to Metal Ring per DIN7079
  • Superior clarity with higher pressure and temperature ratings than standard observation plate glass
  • Suitable for sight flow indicators, sight windows, and sanitary indicators
  • Highly resistant to impacts and erosion
  • Resistant to surface damage
  • High tolerance to uneven and or repeated torqueing without damaging the glass
  • Reusable for easy maintenance
  • Styles BO mate to ANSI B16.5 flanges
  • Ratings: 85 to 600 PSIG, up to 536 ºF
Unit of Measure

Specifications

Series

 N/A W14

Former JCE Model Number

 N/A 501BO 300

Size

 N/A 4 in

Body Material

 N/A Duplex 2205 Stainless Steel (SS)

Gasket Material

 N/A PTFE 3504

Lens

 N/A Fused Borosilicate

View Diameter

 N/A 3.15 in

Pressure Rating @ 450 ºF

 N/A 300 PSIG

Weight

 N/A 35 lbs

Dimensions

OAL Diameter (A)

 N/A 6.73 in

Length

 N/A 14 in

Width

 N/A 14 in

Height

 N/A 7 in

Dimension B

 N/A 3.15 in

Dimension C

 N/A 0.98 in