Engineered Controls 3/4" MNPT x FNPT Excess Flow Valve – 20 GPM for LPG & Vapor UseThis heavy-duty brass excess flow valve is engineered for liquid or vapor propane (LPG) applications, ideal for use in container fill lines, vapor equalization setups, and long branch piping systems. Designed to reduce the risk of uncontrolled flow, the valve is equipped with a stainless steel spring for consistent closing force and reliability.Key specs include 3/4" MNPT inlet and 3/4" FNPT outlet, machined brass body for durability, and precision flow channels offering a low pressure drop. Rated at 20 GPM propane flow, this valve is an excellent replacement or addition to your bulk LPG system.Compatible with Rego, Marshall Excelsior, and other propane control systems.Material: BrassInlet: 3/4" MNPTOutlet: 3/4" FNPTFlow Rate: 20 GPMHex Flats: 1-3/8"Ideal for vapor or liquid withdrawal, tank fill lines, and line protectionImportant 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.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 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.