OPW
Overfill Prevention Valve
61fSTOP-2000 Float Arm model
330-541-003
The OPW 61ƒSTOP Overfill Prevention
Valve (“The Stopper”) is designed to prevent
overfi lling of above ground storage tanks
by providing a positive shut-off during a
pressurized-fill (pump-on fill) delivery.
“The Stopper” threads into the fi ll opening
and is an integral part of the fill tube.
The OPW61ƒSTOP is fully adjustable to
allow for easy installation in new or existing
above ground tanks of various heights and
storage capacities.
Valve Body, Adaptor and Collar.............cast aluminum
Poppet.......................................... cast aluminum
Cam..............................................stainless steel
Follower..........................................brass
Shaft.............................................CRS zinc-plated
Bearing..........................................Sintered bronze
Nipple........................................... 2"
Lower Nipple....................................2"
PDF- OPW Overfill Provention Valve OPW61ƒSTO