Overview
The Belimo Z3075QPF-J+CQKB24-LL is a 3/4-inch 3-way Press Fit ZoneTight Quick Control Valve (QCV) with a 24V electronic fail-safe actuator. Configured normally open, it ensures fail-safe opening during power loss in low-voltage HVAC systems.
Features
- Electronic fail-safe functionality guarantees valve opens upon loss of power
- Tool-free snap-on actuator assembly on press-fit 3/4″ valve body
- Low power consumption with 24V AC/DC input
- High close-off performance for reliable hydronic shut-off
Specifications
- Valve Size: 3/4″ Press Fit
- Valve Type: 3-way ZoneTight (QCV)
- Flow Capacity: Cv 4.6
- Control Type: On/Off
- Nominal Voltage: AC/DC 24 V
- Fail-Safe Position: Normally Open (Fail-Open)
Applications
- Commercial HVAC hydronic heating and cooling systems
- Fan coil units, VAV reheat coils, and unit ventilators
- Systems requiring 24V fail-open safety operation


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