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Threaded Style Circular Sight Glasses

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This series of sight glasses are designed for attachment to stub end pipe, ANSI flanged nozzles or vessel studding outlets. 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.




 DOWNLOADS 

Data Sheet
(PDF, 749KB)

IOM Manual
(PDF, 323KB)

1" NW-FT
(PDF, 119KB)

1.5" NW-FT
(PDF, 122KB)

2" NW-FT
(PDF, 121KB)

3" NW-FT
(PDF, 114KB)

4" NW-FT
(PDF, 169KB)

6" NW-FT
(PDF, 119KB)

8" NW-FT
(PDF, 118KB)

   
  Results 1 - 8 of 8 1 

Item #

Size

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Dimension A

Dimension B

Dimension C

Connection Type

NW-FT-8 8 in 8 in
203
mm
13 1/2 in
343
mm
4 3/4 in
121
mm
Female Threaded
NW-FT-6 6 in 6 5/8 in
168
mm
11 in
279
mm
4 1/16 in
103
mm
Female Threaded
NW-FT-5 5 in 5 9/16 in
141
mm
10 in
254
mm
4 1/4 in
108
mm
Female Threaded
NW-FT-4 4 in 4 1/2 in
114
mm
9 in
229
mm
3 1/4 in
83
mm
Female Threaded
NW-FT-3 3 in 3 1/2 in
89
mm
7 1/2 in
191
mm
3 1/8 in
79
mm
Female Threaded
NW-FT-2 2 in 6 in
60
mm
2 1/2 in
152
mm
2 3/8 in
64
mm
Female Threaded
NW-FT-1.5 1 1/2 in 1 7/8 in
48
mm
5 in
127
mm
2 3/16 in
56
mm
Female Threaded
NW-FT-1 1 in 1 5/16 in
33
mm
4 1/4 in
108
mm
1 3/4 in
44
mm
Female Threaded
  Results 1 - 8 of 8 1