Description
The Watts 0257564 is a complete valve and actuator assembly engineered for precise hydronic and HVAC flow control applications. Combining a robust brass body ball valve with a low-profile, non-spring return two-position electric actuator, this assembly delivers reliable on/off flow management in a compact, ready-to-install package.
Valve Specifications
- Connection Size: 1/2″ NPT
- Flow Coefficient (Cv): 4.7
- Flow Characteristic: Two-Way Equal Percentage
- Body Material: Brass
- Trim Material: Plated Brass
- Valve Type: Ball Valve
Actuator Specifications
- Control Voltage: 24 VAC
- Actuator Type: Two-Position (On/Off)
- Return Type: Non-Spring Return
- Profile: Low Profile Design
- Cable Length: 1 Meter (included)
Key Features & Benefits
- Pre-assembled valve and actuator combination for simplified installation
- Equal percentage flow characteristic provides precise flow modulation across the operating range
- Low-profile actuator design ideal for space-constrained mechanical rooms and equipment rooms
- Non-spring return operation maintains valve position during power interruption
- Durable brass body and plated brass trim ensure long service life in hydronic systems
- 1-meter factory-attached cable reduces field wiring time
- 24 VAC control voltage compatible with standard HVAC control systems and zone controllers
Typical Applications
- Hydronic heating and cooling systems
- Fan coil unit control
- Zone valve applications
- Building automation and HVAC control systems
- Terminal unit flow control
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