Engineered Controls A7705P – 3/4" F.NPT Flange Seal Globe Valve (LP-Gas / NH₃ Service)The Engineered Controls A7705P is a rugged, heavy-duty 3/4" female NPT flange seal globe valve designed for demanding LP-Gas, anhydrous ammonia, and industrial chemical service. Ideal for use on cylinder charging manifolds, truck filling hoses, bulk storage containers, and plant piping, this valve delivers long service life with minimal maintenance requirements.The flange seal design provides a tight, leak-proof seal without packing that must be retightened — dramatically reducing service intervals. A precision-machined metal-to-metal back seat pets flange ring replacement without removing the valve.A swivel seat disc minimizes wear between the disc and body seat, increasing valve longevity. The dropped seat body design of this angle globe valve maximizes flow capacity, making it suitable for high-volume transfer operations.A plugged 1/4" NPT boss is included downstream for hydrostatic relief valve or vent valve installation, ensuring compliance and operational flexibility.Key Features3/4" F.NPT inlet & outletFlange seal design ensures leak-proof operationNo packing to retighten or replaceMetal-to-metal back seat allows flange ring replacement with valve in serviceSwivel seat disc reduces wear on valve body seatDropped seat angle-valve design provides excellent flow capacityAvailable with brass bonnet & bronze stem (LP service)Also available with steel bonnet & stainless stem (LP + NH₃ service)1/4" NPT plugged boss for hydrostatic relief or vent valveSuitable for LP-Gas, NH₃, chemical, and petrochemical industriesIdeal ForLP-Gas bulk plantsAnhydrous ammonia systemsCylinder filling operationsTruck and bobtail hose stationsChemical & petrochemical plant pipingIndustrial vapor or liquid transferThis A7705P valve provides the reliability, safety, and capacity needed for high-demand industrial gas environments.

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.

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