Engineered Controls 2" Internal Valve — MFG# A3212R105This 2-inch internal valve is engineered for high-performance LP gas and anhydrous ammonia transfer systems on bobtail delivery trucks, transport tankers, stationary storage tanks, and in-line installations. Designed for liquid withdrawal, vapor transfer, and pressure equalization, this valve ensures reliable and safe operation under demanding industrial conditions.Safe, Durable & Built for Heavy-Duty LP/NH3 ServiceAll critical operating components are protected inside the valve body, shielding them from physical damage. A nylon-bearing supported operating shaft ensures smooth manual or pneumatic operation, while the spring-return mechanism automatically closes the valve when the handle is released.The built-in excess flow valve adds another layer of safety, helping prevent uncontrolled discharge in the event of line rupture or sudden flow surge.Key Features✔ 2" Male NPT inlet / 2" Female NPT outlet✔ Suitable for LP Gas (105 PSI closing) and NH3 (95 PSI closing)✔ Full-fill or half-coupling installation✔ Midway stem position eases pressure equalization✔ Nylon bearing provides smooth operating action✔ Protected internal operating components inside the valve body✔ Built-in excess flow valve for added safety✔ Optional A3213PA pneumatic actuator allows remote air/nitrogen operation✔ Ideal for bobtails, transports, stationary tanks, and large agricultural systemsApplicationsBobtail Delivery TrucksTransport TrailersLP Bulk Storage TanksAnhydrous Ammonia PlantsVapor Equalization SystemsPump Withdrawal Lines

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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