Overview
The Belimo Z3050QPF-H+CQKBUP-RR is a 1/2-inch 3-way Press Fit ZoneTight Quick Control Valve (QCV) paired with a universal line-voltage electronic fail-safe actuator. Configured normally closed, it offers safe On/Off flow control for hydronic zoning systems.
Features
- Electronic fail-safe feature automatically closes valve upon electrical power loss
- Line-voltage power operating capability from AC/DC 100 to 240 V
- Simple tool-free direct mounting with press-fit pipe connection
- Durable brass body engineering for long-term HVAC performance
Specifications
- Valve Size: 1/2″ Press Fit
- Valve Type: 3-way ZoneTight (QCV)
- Flow Capacity: Cv 2.7
- Control Type: On/Off
- Nominal Voltage: AC/DC 100…240 V
- Fail-Safe Position: Normally Closed (Fail-Closed)
Applications
- Hydronic heating and cooling circuits requiring fail-closed protection
- Fan coil units, radiant floor/ceiling panels, and duct coils
- Commercial HVAC building automation installations


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