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Johnson Controls VG7000 Series VG7842ST+74CHGC

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VG7842ST+74CHGC

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The Johnson Controls VG7842ST+74CHGC is a robust bronze control valve designed for efficient fluid flow management. As part of the VG7000 Series, it features a three-way mixing valve body that effectively directs liquids or gases as needed in various applications.

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Technical specifications for VG7842ST+74CHGC

ManufacturerJohnson Controls
Product TypeBronze control valve
Product LineVG7000 Series
Part NumberVG7842ST+74CHGC
Valve Size2 inches
Body TypeThree-way mixing
Trim MaterialBrass trim
End ConnectionsThreaded NPT
Control TypeProportional 0-10 VDC with feedback and 2 auxiliary switches
Voltage Rating24 VAC
Operating Temperature Range2 to 140°C water; with 262 kPa (38 psig) saturated steam
Maximum Closeoff Pressure46 psig (317 kPa)
Valve Body RatingANSI B16.15, Class 250 (EN 12360)
Leakage Rating0.01% of max. flow
Rangeability>100:1
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The VG7842ST+74CHGC control valve from Johnson Controls is a three-way mixing valve constructed from durable bronze material. With a nominal size of 2 inches, this valve is capable of handling a variety of fluids. This valve's weight is 18.6 lbs, providing a robust build suitable for many industrial applications.

Trimmed with brass materials, the valve is designed to offer reliability and long-lasting performance. It features threaded NPT end connections, promoting straightforward installation. This model operates under a control type of proportional 0-10 VDC, complete with feedback mechanisms and two auxiliary switches, enhancing operational flexibility.

The valve operates at a voltage rating of 24 VAC, making it compatible with standard control systems. The operating temperature range extends from 2 to 140 degrees Celsius for water service, and it can accommodate saturated steam up to 262 kPa (38 psig). The maximum closeoff pressure for this valve is rated at 46 psig (317 kPa), ensuring effective isolation under various process conditions.

In terms of standards, the VG7842ST+74CHGC adheres to ANSI B16.15 and is classified as Class 250 (EN 12360). When it comes to performance, the leakage rating is impressively low at 0.01% of the maximum flow, reflecting its superior sealing capabilities. With a rangeability exceeding 100:1, this valve is well-equipped to handle a broad spectrum of flow conditions.