National Polymers Valve Plug Port Cap w/ Strap 1″ for LP DOT Tanks – Black

National Polymers 1″ Valve Port Plug with Strap – DOT LP Tank AccessoryEnsure safety and regulatory compliance during storage and transport of LP and propane tanks with this high-quality valve port plug. Manufactured by National Polymers Inc. in Lakeville, MN, this black cap securely seals the valve port on DOT-certified cylinders used in propane and LP gas systems. The molded-in caution warning clearly instructs: “Transport tank upright. Secure plug in valve port. Store indoors. Tighten.”Key features include:1″ push-in plug fits standard LP tank valve portsTethered yellow strap prevents loss during handlingHeavy-duty polymer construction stands up to outdoor conditionsIndustry-grade labeling supports DOT transport standardsIdeal for use by propane distributors, industrial gas transporters, and service providers seeking durable and compliant tank safety solutions.Pairs perfectly with:Rego 7901TB Shut-Off ValvesType 1 & POL tank adaptersCommercial LP filling station hardwareDon’t transport tanks without a secured valve plug—protect your equipment and comply with DOT safety standards.

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.