Overview
The Belimo Z3075QPF-J+CQKB24-S-LL is a 3/4-inch 3-way Press Fit ZoneTight Quick Control Valve (QCV) equipped with a 24V electronic fail-safe actuator and an auxiliary switch. Configured normally open, it offers On/Off control and position feedback.
Features
- Electronic fail-safe returns valve to normally open position on power loss
- Integrated 1 x SPST auxiliary switch provides end-position feedback signal
- Tool-free snap-on mounting on 3/4″ press-fit valve
- High close-off rating and energy-efficient performance
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
- Auxiliary Switch: 1 x SPST
- Fail-Safe Position: Normally Open (Fail-Open)
Applications
- Commercial HVAC hydronic systems requiring end-position monitoring
- Fan coil units, unit ventilators, and VAV reheat coils
- Low-voltage hydronic loops needing fail-open protection


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