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Flow Indicator


´╗┐Indicates direction of flow of compatible liquids in pipelines at working pressures up to 500 psig [34 Bar]. The indicator must be installed in pipeline tees.

General Information & Features*

´╗┐The head, centershaft, support tube, bearings and vane in these indicators are made of 300 Series stainless steel. Magnets are nickel-plated Alnico, and the threaded mounting adapters are forged steel.


Data Sheet

MS-501/502 Bolted Gauge Installation Instructions

MS-516 Threaded Gauge Installation Instructions

Model Numbers

Model # Description
6286-00325 For top mounting, includes standard magnet to drive direct-reading dials.
6286-00475 Same as 6281, except for side, end, or angle mounting.
Tee Size NPT "A" Dimension
2" x 2" x 2" 3-1/4" [82,5]
2-1/2" x 2-1/2" x 2"
3" x 3" x 2" 4-3/4" [95]
2-1/2" x 2-1/2" x 2-1/2" with 2-1/2" x 2" bushing
3" x 3" x 3" with 3" x 2" bushing

The distance from the top of the mounting adapter to the end of the vane is the "A" dimension. This dimension is dependent on the tee size, as shown above.

Flow indicators with special "A" dimensions may be available - specify your requirements.

Replaceable Parts

Model # Description
5013s00048 4" dial [100]
0040-00413 Mounting screws for 4" dial
0040-00666 Stainless steel mounting bolts 5/16"-24 x 3/4"
0015-00462 Teflon filled stainless steel gasket
0015-00401 Teflon gasket
0093-00002 4" dial bracket
0040-00022 Bracket screws
0039-00002 Aluminum bezel ring for 4" dial
0022-05211 2" NPT mounting adapter
022-05280 1-1/4" NPT mounting adapter

*Materials and specifications are subject to change without notice. Pressure ratings subject to change due to temperature and other environmental considerations.