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The VG2431UM from Johnson Controls is a two-way globe control valve designed without an actuator. This valve features a stroke length of 1-1/8 inches and exhibits modified linear flow characteristics with brass trim.
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| Manufacturer | Johnson Controls |
|---|---|
| Product Type | Two-way flanged globe control valve (no actuator) |
| Product Line | VG2000 Series |
| Part Number | VG2431UM |
| Valve Stroke | 1-1/8 in. (29 mm) |
| Trim/Flow Characteristics | Brass Trim, Modified Linear Flow |
| End Connections | Flat-Faced ANSI Class 125 Flange Connections |
| Stem Type | 3/8 in. threaded stem |
| Operating Temperature Range | 2 to 138°C (valve fluid) |
| Valve Body Rating | ASME B16.1, Class 125 |
| Maximum Allowable Pressure/Temperature | Steam: 35 psig (241 kPa) at 138°C; Water: 175 psig (1,206 kPa) up to 66°C, decreasing to 125 psig (861 kPa) at 138°C |
| Leakage | 0.1% of max. flow |
| Rangeability | 7.7:1 |
| Materials | Body: Cast iron with a black lacquer finish; Stem: 316 stainless steel |
| Max. Recommended Operating Pressure Drop | 35 psig (241 kPa) |
The VG2431UM valve from Johnson Controls is a two-way flanged globe control valve that does not include an actuator. It offers an effective valve stroke of 1-1/8 inches (29 mm), facilitating precise control over fluid dynamics. This valve features brass trim, which aligns with modified linear flow characteristics, making it suitable for applications requiring regulated flow.
It is designed with end connections that conform to flat-faced ANSI Class 125 flange standards. The stem consists of a 3/8-inch threaded design, ensuring secure and reliable operation. The operating temperature for the valve fluid can range from 2 degrees to 138 degrees Celsius.
Rated according to ASME B16.1, Class 125, the VG2431UM has set maximum allowable pressures: it withstands up to 35 psig (241 kPa) for steam at 138°C and can manage 175 psig (1,206 kPa) for water, decreasing to 125 psig (861 kPa) at hotter temperatures. The leakage rate is minimal at 0.1% of maximum flow, indicating excellent sealing performance.
This valve offers a rangeability of 7.7:1, providing versatility in flow control applications. The body is crafted from robust cast iron with a distinctive black lacquer finish, while the use of 316 stainless steel for the stem adds to the overall durability of the valve. For optimal efficiency, the maximum recommended pressure drop during operation is set at 35 psig (241 kPa). This valve is designed to meet varying operational demands in fluid control settings.