JOHNSON CONTROLS VG7842NT Globe Valve Less Actuator, 1 Inch Connection, 3 Way Mixing, Fnpt

Johnson Controls VG7842NT globe valve is used in commercial buildings, factories and large-scale facilities to manage heating, ventilation and air conditioning applications for optimal environmental conditions. It is designed for heating and cooling systems to regulate fluid flow, maintaining desired temperatures.

Features:

• It offers a globe valve design for accurate throttling control and precise flow adjustments.
• This globe valve has a rugged actuator with a die-cast enclosure for robust and reliable operation.
• It comes with an effective 8 sq.inch diaphragm area for expandable fluid flow.
• This valve controls hot or chilled water and can handle 38 psig saturated steam.
• It features a brass valve trim for enhanced durability and performance .
• This globe valve has a maximum supply air pressure of 25 psig and can handle fluid temperatures ranging from 35 to 284 degrees F.

Frequently Asked Questions:

Q. What safety precautions should I take while using this Johnson Controls VG7842NT globe valve?

A.

• Allow trained personnel for installation and operation.
• Wear proper personal protective equipment (PPE).
• Adhere to electrical safety practices.
• Release pressure and depressurise the system before work.
• Implement lockout-tagout procedures during maintenance.
• Follow manufacturer's guidelines and instructions.
• Work in well-ventilated areas with harmful fluids.
• Regularly inspect for wear, damage or leaks.
• Be cautious of temperature extremes.
• Know emergency shutdown procedures.
• Maintain accurate maintenance records.

Q. How do I clean and maintain this globe valve?

A.

• Shut down the valve and disconnect power or pressure sources.
• Wipe the valve's exterior with a damp cloth to remove dirt and debris.
• Check for visible damage or wear on the valve body and components.
• Apply recommended lubricant to moving parts, if applicable.
• Remove covers or panels to access internal components.
• Gently clean internal parts using a soft brush or cloth.
• Inspect diaphragm (if present) for wear or damage.
• Reassemble by putting back covers and panels properly.
• Reconnect power or pressure sources.
• Operate the valve through its full range to ensure proper movement.
• Inspect for leaks around valve connections.

Q. What factors should I consider while choosing a globe valve?

A.

• Application suitability and fluid compatibility.
• Appropriate pressure rating for your system.
• Optimal size and flow control capabilities.
• Material compatibility with fluid, temperature and environment.
• Manual or automated actuation based on control needs.