John C. Ernst Co. Inc. - W14 Series Style BT Bolt-Through Disc Fused Glass Sight Windows

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
Style BT bolts to vessel flange without requiring a cover flange
Styles BT mate to ANSI B16.5 flanges
Ratings: 85 to 600 PSIG, up to 536 ºF

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Unit of Measure

Items	W14-BT-15-150N Sight Window	W14-BT-20-150N Sight Window	W14-BT-30-150N Sight Window	W14-BT-40-150N Sight Window	W14-BT-60-150N Sight Window
Description	N/A 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 Style BT bolts to vessel flange without requiring a cover flange Styles BT mate to ANSI B16.5 flanges Ratings: 85 to 600 PSIG, up to 536 ºF
Series	N/A W14
Size	N/A 1-1/2 in	N/A 2 in	N/A 3 in	N/A 4 in	N/A 6 in
Body Material	N/A Duplex 2205 Stainless Steel (SS)
Gasket Material	N/A Duplex 2205 Stainless Steel (SS)
Lens	N/A Fused Borosilicate
OAL Diameter (A)	N/A 5.00 in	N/A 6.00 in	N/A 7.50 in	N/A 9.00 in	N/A 11.00 in
View Diameter	N/A 1.57 in	N/A 1.97 in	N/A 2.95 in	N/A 3.94 in	N/A 5.51 in
Pressure Rating @ 450 ºF	N/A 150 PSIG
Length	N/A 7.500 in	N/A 8.5 in	N/A 10.5 in	N/A 13.00 in	N/A 16 in
Width	N/A 7.5 in	N/A 8.5 in	N/A 10.5 in	N/A 13.00 in	N/A 16 in
Height	N/A 4.5 in	N/A 5.00 in	N/A 5.00 in	N/A 5.00 in	N/A 6.00 in
Dimension B	N/A 1.57 in	N/A 1.97 in	N/A 2.95 in	N/A 3.94 in	N/A 5.51 in
Dimension C	N/A 0.63 in	N/A 0.79 in	N/A 0.79 in	N/A 0.79 in	N/A 0.98 in
Weight	N/A 3.10 lbs	N/A 5.60 lbs	N/A 8.4 lbs	N/A 12.00 lbs	N/A 21.7 lbs