Wet dry, This flow meter exists in 2 generations – Fill-Rite TS SS F & W Precision Meter User Manual
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WET vs DRY Pulser
This flow meter exists in 2 generations:
1st generation, manufactured from 2007 through 2009
Has pulser (#10) in SS housing, exposed to the operating fluid.
Pulser is sealed with an O-ring (#16),
held in place by a heavy retainer (#11) with a LARGE center hole.
Meter must be isolated & drained if pulser must be inspected.
2nd generation, introduced gradually; only type as of Jan 1st, 2010
Pulser (#10) without housing, sensing magnet position through the wall.
No O-ring, held in place by a thin retainer (#11) with SMALL center hole.
Pulser can be inspected without draining the flow meter.
Make sure to identify which type you are working on!
WET
DRY
Identifies
:
WET
DRY
Retainer
thickness
: 0.105”
(2.67
mm) 0.020”
(0.51
mm)
Hole
diameter
: 7/8”
(21
mm)
19/32”
(15
mm)
Part No. : ST9250 ST9250-1