Johnson Controls VG7243ET+3008B Two-Way Globe Valve Assembly 1/2" NPT 1.8 Cv Stainless Steel Trim with V-3000-8012 Pneumatic Actuator

The Johnson Controls VG7243ET+3008B is a factory-assembled, two-way normally open globe valve from the VG7000 Series, combining the VG7243ET stainless steel trim valve body with the Model V-3000-8012 exposed pneumatic actuator. Engineered for precision flow control of hot water, chilled water, 50/50 glycol solutions, and steam in commercial and industrial HVAC systems, this valve assembly delivers reliable, repeatable performance across a wide range of operating conditions.

Key Features:

• Valve Size: 1/2" NPT end connections
• Flow Coefficient (Cv): 1.8
• Body Material: Cast bronze with stainless steel stem and seat
• Packing: Spring-loaded PTFE/elastomer V-ring for reliable sealing
• Flow Characteristic: Equal percentage (two-way)
• Actuator Type: V-3000-8012 exposed pneumatic actuator with 8 sq. in. effective diaphragm area
• Spring Range: 3 to 6 psig
• Air Fitting: Barbed fitting compatible with 5/32" or 1/4" tubing, with 1/8" NPT port
• Close-Off Pressure: 299 psig
• Maximum Supply Air Pressure: 25 psig
• Actuator Housing: Rugged die-cast enclosure

Operating Specifications:

• Fluid Temperature Range: 35°F to 338°F (2°C to 170°C)
• Actuator Operating Temperature: -20°F to 150°F (-29°C to 66°C)
• Maximum Pressure Rating (Water): 400 psi up to 150°F, decreasing to 308 psi at 338°F
• Maximum Pressure Rating (Steam): 100 psi at 338°F
• Maximum Recommended Pressure Drop (Water): 35 psid for 1/2" valves
• Pressure Rating Standard: ANSI B16.15, Class 250
• Leakage Rating: 0.05% of maximum flow (stainless trim)
• Media Compatibility: Hot or chilled water, glycol solutions up to 50%, and steam up to 100 psig saturated

The VG7243ET+3008B valve assembly is available as a factory-assembled unit or may be field-assembled using standard Johnson Controls mounting kits. The standardized actuator mounting system ensures complete interchangeability, allowing easy field retrofit or actuator replacement without specialized tooling. The VG7000 Series is compatible with a broad range of pneumatic and electric actuators, giving building automation professionals maximum flexibility for system design and upgrades.