PRODUCT OVERVIEW:
Maintaining the correct water temperature in water-cooled HVAC and refrigeration equipment requires automatic regulation of cooling-water flow. The Johnson Controls V47AD-2 1" NPT Temperature Actuated Water Regulating Valve With 6' CAP 115°F-180°F OEM is designed to control water flow based on the temperature detected by its remote sensing bulb. The valve opens to increase water flow, helping remove excess heat and maintain the required operating temperature of the connected equipment.
TEMPERATURE OPERATING MECHANISM:
The valve uses a remote temperature-sensing bulb connected to the actuator through a capillary tube. When the bulb detects a temperature increase, the temperature-responsive mechanism actuates the valve to open and allow additional water flow. This automatic response helps regulate the temperature of the connected equipment.
MODULATING WATER FLOW CONTROL:
The valve adjusts water flow according to changes in the sensed temperature rather than maintaining a fixed flow rate. Its temperature-responsive operation helps regulate heat removal in compatible water-cooled systems. The valve is designed for water or glycol service in suitable applications.
REPLACEMENT GUIDELINES:
Replace the Johnson Controls V47AD-2 1" NPT Temperature Actuated Water Regulating Valve With 6' CAP 115°F-180°F should be replaced when testing confirms temperature-sensing failure, damaged capillary tubing, internal valve damage, leakage, or improper water-flow regulation. Before replacement, inspect the sensing bulb, capillary tubing, water supply, valve passages, and associated equipment conditions. Verify the original part number, pipe connection, temperature range, capillary length, and sensing-bulb configuration before installation.
COMMON FAILURE SYMPTOMS:
- Water flow does not increase when the sensed temperature rises.
- Connected equipment experiences inconsistent temperature regulation.
- Valve remains open or fails to modulate correctly.
- Sensing bulb or capillary tubing shows physical damage.
- Water leakage develops around the valve body or connections.
EQUIPMENT COMPATIBILITY:
Johnson Controls V47AD-2 1" NPT Temperature Actuated Water Regulating Valve With 6' CAP 115°F-180°F is an OEM is intended for compatible HVAC and refrigeration equipment requiring automatic temperature-responsive water-flow regulation. Typical applications include water-cooled condensers and other equipment requiring controlled cooling-water circulation. Its fitment depends on the valve connection, temperature range, sensing-bulb arrangement, and capillary configuration. Verify the existing valve part number and equipment manufacturer's requirements before selecting a replacement.
TECHNICAL SPECIFICATIONS:
Product Identification:
Brand: Johnson Controls
Part Number: V47AD-2
Product Type: Temperature Actuated Water Regulating Valve
Application: Automatic Water-Flow Regulation
Valve Configuration:
Valve Connection: 1-Inch NPT
Valve Action: Opens on Temperature Rise
Valve Body Material: Cast Iron
Valve Operation: Temperature-Responsive Modulating Control
Temperature Specifications:
Temperature Range: 115°F–180°F
Maximum Water Temperature: 170°F
Maximum Bulb Temperature: 200°F
Sensing Element Specifications:
Capillary Length: 6 Feet
Bulb Diameter: 11/16 Inch
Bulb Length: 6 Inches
Bulb Style: Style 4
Operating Specifications:
Operating Media: Water or Glycol
Maximum Water Supply Pressure: 150 PSI
Operating Principle: Temperature-Responsive Flow Regulation
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