Overview
The Belimo Z3050QPF-H+CQKBUP-LL is a 1/2-inch 3-way Press Fit ZoneTight Quick Control Valve (QCV) assembly combined with a universal line-voltage electronic fail-safe actuator. Designed for normally open operation, it provides effective On/Off flow management across broad voltage inputs.
Features
- Electronic fail-safe mechanism returns valve to normally open position upon power loss
- Universal voltage compatibility accepting AC/DC 100 to 240 V inputs
- Tool-free snap-on actuator installation on press-fit valve body
- Compact design ideal for space-restricted mechanical areas
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 Open (Fail-Open)
Applications
- Chilled and hot water temperature control in commercial HVAC systems
- Fan coil units, VAV reheat coils, and unit ventilators
- Applications requiring universal line voltage input and fail-open operation


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