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Standard Sight Flow Indicators
Double Window "Bulls-Eye" Style
Series FIF
Series FIF sight flow indicators, provided with flanged ends per ANSI B16.5 and B16.24, offers inline on-the-spot viewing of a pipeline's contents. Series FIF may be configured with flapper, drip tube or rotary flow indicators. Options include Din flange connections and double window assemblies. Full ANSI pressure class 150 rating available.
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| Size |
A |
B |
C |
Approx. Weight |
| Inches |
MM |
Inches |
MM |
Inches |
MM |
LBS |
KGS |
| 1/2" |
3 3/4 |
95 |
1 1/8 |
29 |
3 11/16 |
94 |
4 |
2 |
| 3/4" |
3 3/4 |
95 |
1 1/8 |
29 |
3 11/16 |
94 |
4 |
2 |
| 1" |
4 1/4 |
108 |
1 1/8 |
29 |
4 1/4 |
108 |
6 |
3 |
| 1 1/4" |
5 1/2 |
140 |
1 3/4 |
44 |
5 7/8 |
149 |
12 |
5 |
| 1 1/2" |
5 1/2 |
140 |
1 3/4 |
44 |
5 7/8 |
149 |
12 |
5 |
| 2" |
6 1/4 |
159 |
2 1/4 |
57 |
6 7/8 |
175 |
18 |
8 |
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Series FIS
Series FIS sight flow indicators, provided with NPT threaded ends per ANSI B2.1, offers inline on-the-spot viewing of a pipeline's contents. Series FIS may be configured with flapper, drip tube or rotary flow indicators. Options include socket weld and silver brazing connections and double window assemblies. Full ANSI pressure class 150 rating available.
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Standard Materials of Construction For Series FIS and Series FIF
Body Material: Bronze, carbon steel or 316 stainless steel
Lens Retainer Material: Carbon steel or ductile iron
Fastner Material: Borosilicate glass
Gasket Material: Neoprene or teflon
Note: Other materials available upon request. Consult Factory for details
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| Size |
A |
B |
C |
Approx. Weight |
| Inches |
MM |
Inches |
MM |
Inches |
MM |
LBS |
KGS |
| 1/2" |
3 3/4 |
95 |
1 1/8 |
29 |
3 11/16 |
94 |
4 |
2 |
| 3/4" |
3 3/4 |
95 |
1 1/8 |
29 |
3 11/16 |
94 |
4 |
2 |
| 1" |
4 1/4 |
108 |
1 1/8 |
29 |
4 1/4 |
108 |
6 |
3 |
| 1 1/4" |
5 1/2 |
140 |
1 3/4 |
44 |
5 7/8 |
149 |
12 |
5 |
| 1 1/2" |
5 1/2 |
140 |
1 3/4 |
44 |
5 7/8 |
149 |
12 |
5 |
| 2" |
6 1/4 |
159 |
2 1/4 |
57 |
6 7/8 |
175 |
18 |
8 |
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