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
W14 Series Style BO Bolt-On Disc & Cover Flange Fused Glass Sight Windows
Unit of Measure
1 

Model #

Size

OAL Diameter (A)

View Diameter

Pressure Rating

W14-BO-10-150-NE N/A 1 in N/A 2.48 in N/A 1.38 in N/A 150 PSIG @ 450 ºF
W14-BO-15-150-NE N/A 1-1/2 in N/A 3.23 in N/A 1.77 in N/A 150 PSIG @ 450 ºF
W14-BO-20-150-NE N/A 2 in N/A 3.94 in N/A 2.17 in N/A 150 PSIG @ 450 ºF
W14-BO-30-150-NE N/A 3 in N/A 5.28 in N/A 2.76 in N/A 150 PSIG @ 450 ºF
W14-BO-40-150-NE N/A 4 in N/A 6.73 in N/A 3.15 in N/A 150 PSIG @ 450 ºF
W14-BO-60-150-NE N/A 6 in N/A 8.58 in N/A 3.94 in N/A 150 PSIG @ 450 ºF
W14-BO-80-150-NE N/A 8 in N/A 10.75 in N/A 4.72 in N/A 150 PSIG @ 450 ºF
W14-BO-10-300-NE N/A 1 in N/A 2.76 in N/A 1.57 in N/A 300 PSIG @ 450 ºF
W14-BO-15-300-NE N/A 1-1/2 in N/A 3.62 in N/A 1.97 in N/A 300 PSIG @ 450 ºF
W14-BO-20-300-NE N/A 2 in N/A 4.21 in N/A 1.97 in N/A 300 PSIG @ 450 ºF
W14-BO-30-300-NE N/A 3 in N/A 5.71 in N/A 2.76 in N/A 300 PSIG @ 450 ºF
W14-BO-40-300-NE N/A 4 in N/A 6.73 in N/A 3.15 in N/A 300 PSIG @ 450 ºF
W14-BO-60-300-NE N/A 6 in N/A 9.61 in N/A 4.72 in N/A 300 PSIG @ 450 ºF
W14-BO-80-300-NE N/A 8 in N/A 12.01 in N/A 4.92 in N/A 300 PSIG @ 450 ºF
W14-BO-10-600-NE N/A 1 in N/A 2.76 in N/A 1.57 in N/A 600 PSIG @ 450 ºF
W14-BO-15-600-NE N/A 1-1/2 in N/A 3.62 in N/A 1.97 in N/A 600 PSIG @ 450 ºF
W14-BO-20-600-NE N/A 2 in N/A 4.21 in N/A 1.97 in N/A 600 PSIG @ 450 ºF
W14-BO-30-600-NE N/A 3 in N/A 5.71 in N/A 2.76 in N/A 600 PSIG @ 450 ºF
W14-BO-40-600-NE N/A 4 in N/A 7.48 in N/A 3.15 in N/A 600 PSIG @ 450 ºF
W14-BO-60-600-NE N/A 6 in N/A 10.35 in N/A 3.94 in N/A 600 PSIG @ 450 ºF
W14-BO-80-600-NE N/A 8 in N/A 12.40 in N/A 3.94 in N/A 600 PSIG @ 450 ºF
Unit of Measure
1