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Johnson Controls VG7000 Series VG7251PT+3008E

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VG7251PT+3008E

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The VG7251PT+3008E is a control valve made by Johnson Controls, featuring a robust cast bronze construction. This valve operates as a two-way device, typically remaining open and engaging a push-down-to-close mechanism, making it versatile for fluid control applications.

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Technical specifications for VG7251PT+3008E

ManufacturerJohnson Controls
Product TypeBronze Control Valve with Pneumatic Actuator
Product LineVG7000 Series
Part NumberVG7251PT+3008E
Valve MaterialCast Bronze
Valve Body TypeTwo-Way, Normally Open/Push-Down-to-Close
End ConnectionsUnion Globe/Union Angle
Trim and FlowBrass Trim, Equal Percentage Flow
Valve Size1-1/4 inches
Control Port Cv18.5 Cv
Actuator TypeV-3000-8012 Pneumatic Actuator (Exposed)
Actuator Spring Range9 to 13 psig
Maximum Closeoff Pressure26 psig (179 kPa)
Fluid Operating Temperature2 to 140 °C Water; 38 psig Saturated Steam
Valve Minimum Operating Temperature2 °C
Valve Maximum Operating Temperature65 °C
RangeabilityGreater than 100:1

The Johnson Controls VG7251PT+3008E is a pneumatic actuator valve with a primary construction of cast bronze. Weighing in at 6.5 lbs, this valve is designed as a two-way unit that maintains a normally open position unless pressure is applied to close. Connecting via union globe or union angle fittings, it integrates seamlessly into existing piping systems.

This valve is sized at 1-1/4 inches, and its brass trim utilizes an equal percentage flow characteristic, ensuring precise control over fluid dynamics. Featuring a control port Cv rating of 18.5, it provides efficient management of flow rates in various applications.

The V-3000-8012 pneumatic actuator is integrated into the design, offering exposed functionality for easy access. This actuator operates within a spring range of 9 to 13 psig, accommodating varying operational needs. The valve maintains a maximum closeoff pressure rating of 26 psig (179 kPa).

It is designed to function effectively within a fluid operating temperature range of 2 °C to 140 °C for water, and it can handle up to 38 psig for saturated steam conditions. The minimum and maximum operating temperature thresholds ensure reliable performance in a variety of settings, and the rangeability exceeds 100:1, adding to its adaptability in different processes. The VG7251PT+3008E is thus well-suited for applications that demand reliable flow regulation and precise control.