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VG7243ST
The VG7243ST from Johnson Controls is a durable 2-way globe valve body designed to handle various fluid control needs without an actuator. The valve, rated for Class 250 per ANSI B16.15, features threaded NPT connections, making it suitable for straightforward pipe assembly.
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Technical specifications for VG7243ST
| Manufacturer | Johnson Controls |
|---|---|
| Product Type | 2-way globe valve body (no actuator) |
| Product Line | VG7000 Series |
| Part Number | VG7243ST |
| End Connections | NPT Threaded |
| Body Rating | ANSI B16.15, Class 250 (weight not published for bare valve body) |
| Valve Size | 2 inches |
| Body Material | Cast Bronze |
| Trim | Stainless Steel |
| Stem Type | Standard Threaded Stem |
| Valve Stroke | 3/4 in. (19 mm) |
| Operating Temperature Range | 2°C to 65°C |
| Maximum Fluid Temperature | 170°C; 100 psig Saturated Steam Pressure |
| Maximum Allowable Pressure (Water) | 400 psig up to 66°C, decreasing to 308 psig at 170°C |
| Leakage | 0.05% of Max. Flow (SS Trim) |
| Rangeability | Greater than 100:1 |
| Seat | Stainless Steel |
| Packing | Spring-Loaded PTFE and Elastomer V-Rings |
The Johnson Controls VG7243ST is constructed to serve as a robust 2-way globe valve body, excluding any actuator component. It is designed with NPT threaded end connections, facilitating seamless integration with existing piping systems. This model adheres to the ANSI B16.15 standard with a Class 250 rating, indicative of its suitable strength and reliability for various applications.
With a compact valve size of 2 inches, its body is made of cast bronze, ensuring durability and long-lasting performance under industrial conditions. The included trim is composed of stainless steel, which provides added resistance against wear and potential degradation.
Functional capabilities include a standard threaded stem and a valve stroke of 3/4 inch (19 mm), providing sufficient movement for effective flow regulation. This valve operates within a temperature range of 2°C to 65°C, making it versatile in environments that may experience variable temperatures.
Maximal fluid temperatures can reach 170°C at a maximum saturated steam pressure of 100 psig. For water, the valve has a maximum allowable pressure of 400 psig at or below 66°C, which decreases to 308 psig at 170°C, ensuring safety and reliability in high-pressure scenarios. The leakage rate is remarkably low at 0.05% of the maximum flow when utilizing stainless steel trim, a testament to the valve’s efficiency.
Furthermore, this model offers impressive rangeability of greater than 100:1, optimizing its operation across varying flow conditions. The seat of the valve is exclusively stainless steel, while the packing consists of spring-loaded PTFE and elastomer V-rings, ensuring reliable sealing and smooth operation throughout its lifespan.
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