Belimo ZG-NM4 Crankarm Kit this is a fixed orifice

this is a fixed orifice restrictor rated for 20 SCIM

5-inch width and a 28-blade "squirrel cage" design

effective area is critical for converting 0 to 20 psig supply pressure into the necessary torque for accurate 100

the standard quick-connect terminals and 2

increasing safety during the off-cycle

Belimo ZG-NM4 Crankarm Kit this is a fixed orificeThe Belimo ZG NM4 Crankarm Kit is a specialized damper actuator accessory engineered for NM Series actuators when direct coupling to the damper shaft is physically obstructed or impossible. Functioning as a high performance HVAC linkage kit, the ZG NM4 provides a reliable mechanical interface for crankarm mounting in space constrained installations or retrofit applications. This kit serves as the direct replacement for ZG NM3, offering improved