61SO Overfill Prevention Valves

• Simple, Easy, Quick Installation - No excavation or special manholes required.
• Economical - Costs a fraction of expensive, complicated and difficult to install valves.
• Furnished Complete - Supplied with new upper and lower drop tubes, mounting hardware and thorough instructions for a quick job site time.
• Completely Automatic Operation - No pre-checks to perform, no resets, and no overrides to be broken or abused.
• No Pressurization of the Tank - Operates directly from liquid level.
• Will Accept a Dipstick for Gauging.
• Retrofits Directly - For both new and existing tanks with 4" fill risers.
• Quick Drain Feature - Automatically drains hose when head pressure is relieved.
• Best Flow Rate in The Industry.*

*_{Test-witnessed by Bowser-Morner, Inc., an independent laboratory. Results available upon request.}

• Completely Automatic Operation - Does not rely on the alertness or speed of response of the delivery attendant for certainty of overfill prevention.
• Keeps the Top of UST “Dry,” per EPA Requirements - Eliminating possible leaks at loose bung fittings and the need for double containment on vent lines.
• Does Not Rely on Pressure in the UST to Stop Flow - Allowing faster fill times and reducing spill risk.
• Speeds Delivery Operations - Product flows unimpeded into the tank until the hose “kick” that accompanies the valve shut-off provides a clear signal that the liquid has reached the shut-off level.
• Simple and Inexpensive Installation - In both two-point and coaxial fill applications, no additional excavation, manholes or vent piping are required.

• Valve body: Cast aluminum
• Float: Nitrile rubber, closed cell foam
• Valve: Aluminum
• Seals: Viton®
• Upper & lower Drop Tube: Aluminum
• Plastic parts: Acetal
• Hardware: Stainless steel

The OPW Vapor-Tight Remote Fill is designed for two-point vapor-tight remote-fill applications, where the fill point is not directly over the UST. A CARB approved vapor-tight 61SO overfill valve is installed in the sump through a riser pipe directly over the tank. The 61JSK-4RMT Kit installed within a 4” Tee provides an anchoring mechanism by locking the 61SO overfill valve in the tank fill riser. The “trap-door” assembly installed in the riser above the tank retains access for a gauge stick. The 61JSK-4RMT Kit coupled with any Vapor-Tight 61SO Overfill Valve will work for this application.

New York City Fire Department (Approval #4902)

In order to prevent product spillage from the Underground Storage Tank (UST), properly maintained delivery equipment and a proper connection at the tight-fill adaptor are essential. Delivery personnel should be managed and trained to inspect delivery elbows and hoses for damaged and missing parts. They should always make certain there is a positive connection between the adaptor and elbow. If delivery equipment is not properly maintained, or the elbow is not securely coupled to the adaptor, a serious spill may result when the OPW 61SO closes, causing a hazard and environmental contamination.

NOTE: The OPW 61SO is designed for use on tight-fill gravity drop applications only. Do not use for pressure fill applications.

61SOK Float Kit Instruction Sheet order Number: H11403PA