Overview
The Belimo Z3075QPF-J+CQKB24-S-RR is a 3/4-inch 3-way Press Fit ZoneTight Quick Control Valve (QCV) package featuring a 24V electronic fail-safe actuator and auxiliary switch. Configured normally closed, it provides reliable fail-closed protection and signaling.
Features
- Electronic fail-safe feature returns valve to normally closed position upon power loss
- Built-in 1 x SPST auxiliary switch for status feedback
- Press-fit design for quick, tool-free snap installation
- Precision flow regulation for hydronic heating and cooling
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 Closed (Fail-Closed)
Applications
- Commercial hydronic zone control systems requiring status indication
- Fan coil units, radiant panels, and VAV reheat coils
- Hydronic circuits requiring fail-closed safety


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