Engineered Controls A7517AP 3″ Globe Valve V-Ring Seal LP Gas/NH3 3″ F NPT

Engineered Controls A7517AP – 3″ V-Ring Seal Globe Valve for LP-Gas, NH3 & Industrial PipingThe A7517AP V-Ring Seal Globe Valve by Engineered Controls is a premium, heavy-duty 3″ F NPT valve engineered for bulk storage tanks, LP-gas transports, anhydrous ammonia (NH3) systems, bobtails, and industrial plant piping. Designed to provide positive shut-off, low maintenance requirements, and long service life, this valve is ideal for demanding chemical and petrochemical applications.The V-ring spring-loaded pressure stem seal delivers leak-proof performance without the need for packing adjustments. Its circular bridge and dropped seat geometry ensure excellent flow capacity with minimal pressure drop—critical for high-volume vapor and liquid service lines.The swivel seat disc assembly prevents grinding on the valve seat, improving seat alignment and significantly extending service life. The valve body includes two 1/4″ F NPT plugged bosses for placement of hydrostatic relief valves upstream or downstream.Built with heavy-duty rolled ACME stem threads, the A7517AP provides fast, smooth operation and long-term durability.🔥 Key Features3″ Female NPT inlet & outletV-ring spring-loaded stem seal—no packing maintenance requiredSwivel seat disc prevents scoring and ensures long service lifeDropped seat + circular bridge design = high flow with low pressure dropDual 1/4″ F NPT relief bosses for hydrostatic relief valve installationACME stem threads for fast, smooth actuationDesigned for LP-Gas, Propane, NH3, and chemical/petrochemical serviceExcellent for bulk tank farms, transport trailers, bobtails & plant piping🔧 ApplicationsBulk storage containers (LP Gas / NH3)Bobtail delivery trucksTransport trailersCylinder filling plantsChemical & petrochemical processingIndustrial valve manifolds

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.

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