OPW
Overfill Prevention Valve
61fSTOP-3050
330-541-001

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........................................... 3"
Lower Nipple....................................3"

PDF- OPW Overfill Provention Valve OPW61ƒSTO