Johnson Controls VA7830-HGA-2 Actuator

24Vac, Two Position, Floating Control, or Proportional, 0-10Vdc, 2-10Vdc, (0)4-20mA, 180 lb-in Torque, 5/16"-1" Stroke, 48" Cable, Spring Return Stem Down Direct Coupled Globe Valve Actuator with Manual Override

Johnson Controls VA7830-HGA-2 Globe Valve Actuator – 24V Spring Return, Floating & Proportional Control

The Johnson Controls VA7830-HGA-2 Actuator is a high-performance direct-coupled globe valve actuator designed for precise control in HVAC and industrial applications. With fail-safe spring return, floating or proportional control options, and a manual override, this actuator ensures reliable operation in critical heating and cooling systems.

Key Features & Benefits:

✅ Versatile Control Options – Supports two-position, floating control, or proportional (0-10Vdc, 2-10Vdc, (0)4-20mA) signals, offering flexibility for various system configurations.
✅ Fail-Safe Spring Return – Ensures automatic return to a safe position during power failure, enhancing system reliability.
✅ Powerful Torque – Delivers 180 in-lb (20.3 Nm) torque, providing robust performance for demanding applications.
✅ Wide Compatibility – Designed for ½" to 2" FNPT valves, with equal percentage (two-way) and linear (three-way) flow characteristics.
✅ Durable & Corrosion-Resistant – Features a cast bronze body, stainless steel stem, and optional stainless steel trim for longevity in harsh environments.
✅ Broad Media Compatibility – Suitable for hot or chilled water, glycol solutions (<50%), and steam (up to 35 psig, 338°F), making it ideal for HVAC and industrial fluid control.
✅ Manual Override – Allows for easy adjustments during maintenance and setup.

Product Specifications:

• Model: Johnson Controls VA7830-HGA-2
• Supply Voltage: 24 VAC
• Torque: 180 in-lb (20.3 Nm)
• Control Signal: Floating, Analog (0-10Vdc, 2-10Vdc, (0)4-20mA)
• Stroke Range: 5/16" to 3/4" depending on valve size
• Max Close-Off Pressure: Actuator dependent (see ordering information)
• Pressure Drop:
  • Water: 35 psid (1/2"–1-1/4"), 30 psid (1-1/2"–2")
  • Steam: 15 psid (brass trim), 100 psid (stainless trim)
• Maximum Pressure Rating:
  • Brass trim (water): 400 psi (150°F), 365 psi (248°F)
  • Stainless trim (steam): 100 psi (338°F)
• Operating Temperature: Water: 35° to 248°F, Steam: up to 338°F
• Actuator Mounting: Threaded mounting collar
• Approvals & Warranty: 1-year manufacturer warranty

Ideal Applications:

✔ HVAC control systems
✔ Industrial process automation
✔ Commercial building temperature management
✔ Steam and hot water regulation

Upgrade your HVAC or industrial system with the Johnson Controls VA7830-HGA-2 Actuator, ensuring precise, reliable, and energy-efficient valve control.

Order now for enhanced system performance and reliability!

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