Papailias Incorporated
245 Pegasus Ave., Northvale, New Jersey 07647
Phone: 201-767-4027
Email: sales@papailias.com • Website: www.papailias.com
All Categories > Sight Glasses > Circular Sight Glasses > Series NW-BW; Weld Neck Style Circular Sight Glasses > View Items  

Series NW-BW; Weld Neck Style Circular Sight Glasses

 
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This series of weld neck style sight glasses are designed for welding to a stub end pipe or may be suppied with a radius to saddle the pipe. Each is rated for 150 PSIG (10.3 Barg) at 300 ºF (149 ºC) with a tempered soda lime lens and 500 ºF (260 ºC) with a borosilicate lens. Sight glasses are constructed using code materials. Optional accessories include Series PL, MSL, SLEX, REX, FBX illuminators, and Type I wipers.


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Item #

Dimension A

Dimension B

Dimension C

Connection Type

Rated Pressure at 300 ºF (149 ºC) Temperature
1"NW-BW 1 1/16 in
25 mm 		4 1/4 in
108 mm 		3 3/16 in
83 mm 		Buttweld 150 psig
10.3 Barg
1.5""NW-BW 1 15/16 in
41 mm 		5 in
127 mm 		3 3/4 in
95 mm 		Buttweld 150 psig
10.3 Barg
2"NW-BW 2 7/16 in
51 mm 		6 in
152 mm 		3 7/8 in
102 mm 		Buttweld 150 psig
10.3 Barg
3"NW-BW 3 9/16 in
90 mm 		7 1/2 in
191 mm 		4 3/8 in
111 mm 		Buttweld 150 psig
10.3 Barg
4"NW-BW 4 9/16 in
116 mm 		9 in
229 mm 		4 7/8 in
124 mm 		Buttweld 150 psig
10.3 Barg
5"NW-BW 5 1/16 in
129 mm 		10 in
254 mm 		5 5/16 in
135 mm 		Buttweld 150 psig
10.3 Barg
6" NW-BW 6 11/16 in
170 mm 		11 in
279 mm 		5 3/8 in
137 mm 		Buttweld 150 psig
10.3 Barg
8"NW-BW 8-11/16 in
221 mm 		13 1/2 in
343 mm 		6 1/4 in
159 mm 		Buttweld 150 psig
10.3 Barg
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