High Pressure Sight Flow Indicators
Series FIS/HP

Series FIS/HP 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/HP may be configured with flapper, drip tube or rotary flow indicators. Options include socket weld and silver brazing connections and double window assemblies. RATING: HP3-300 PSIG (20.7 Barg), HP6-600 PSIG (41.4 Barg). Full ANSI pressure class 300 and 600 rating available.






Size A B C Approx.Weight
Inches MM Inches MM Inches MM LBS KGS
1/2" 3 3/4 95 1 25 * * 4 2
3/4" 3 3/4 95 1 25 * * 4 2
1" 4 1/4 108 1 25 * * 6 3
1 1/4" 5 1/2 140 1 1/2 38 * * 12 5
1 1/2" 5 1/2 140 1 1/2 38 * * 12 5
2" 6 1/4 159 2 51 * * 18 8

Series FIF/HP

Series FIF/HP 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/HP may be configured with flapper, drip tube or rotary flow indicators. Options include Din flange connections and double window assemblies. RATING: HP3-300 PSIG (20.7 Barg), HP6-600 PSIG (41.4 Barg). Full ANSI pressure class 300 and 600 rating available.


Size AHP3 AHP6 B Approx.Weight
Inches MM Inches MM Inches MM LBS KGS
1/2" 5 7/8 141 61/4 159 1 1/8 29 4 2
3/4" 5 7/8 141 6 1/4 159 1 1/8 29 4 2
1" 6 7/8 175 7 1/4 184 1 1/8 29 6 3
1 1/2" 7 1/2 191 7 7/8 200 1 3/4 44 12 5
2" 8 5/8 219 9 229 2 1/4 57 18 8
2 1/2" 11 3/8 289 11 3/4 298 3 1/4 83 44 20
3" 11 3/8 289 11 3/4 298 3 1/4 83 44 20
4" 13 1/4 337 14 1/4 362 4 1/4 108 67 30
6" 21 1/4 540 23 1/4 591 5 1/2 140 120 55
8" 22 7/8 581 25 1/8 638 5 1/2 140 230 105

STANDARD MATERIALS OF CONSTRUCTION FOR SERIES FIS/HP AND SERIES FIF/HP

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


245 Pegasus Ave.
Northvale, NJ 07647
201-767-4027
sales@papailias.com