Belimo HVAC Actuators, Control Valves and Sensor Equipment

Standard Non-Spring Return Damper Actuators (LM, NM, SM, GM)

Belimo non-spring return damper actuators (LM, NM, SM, GM series) deliver precise motorization and modulating control for air dampers, mixing louvers and ventilation control units in commercial and industrial HVAC systems.

The comprehensive product lineup spans nominal torque outputs from 5 Nm (LM series for damper areas up to 1 m²) and 10 Nm (NM series up to 2 m²) to 20 Nm (SM series up to 4 m²) and 40 Nm (GM series up to 8 m²).

Each actuator integrates a universal clamping collar for secure shaft mounting on round and square dampers, an integrated mechanical position indicator up to 95° rotation, manual gear disengagement push-button for field calibration, and automatic stall protection without mechanical limit switches.

Available control modes include on/off, floating (3-point) and continuous 0...10 V proportional positioning, alongside direct bus connectivity via MP-Bus, Modbus RTU and BACnet MS/TP protocols.

Specify nominal torque (5/10/20/40 Nm), supply voltage (24 V / 230 V), control signal (on/off, 3-point, 0...10 V) and bus communication protocol.

Safety Spring-Return Damper Actuators (TF, LF, NF, SF, EF)

Belimo spring-return fail-safe actuators (TF, LF, NF, SF, EF series) provide reliable mechanical fail-safe positioning for critical HVAC applications, frost-protection dampers, cleanrooms and fume hood ventilation.

During normal operation, the electric motor positions the damper while mechanically winding the integrated spiral return spring. Upon power disruption or safety interlock activation, the mechanical spring instantly drives the damper to its predefined safety position in under 20 seconds.

The family provides torque capacities ranging from 2 Nm (TF) and 4 Nm (LF) to 10 Nm (NF), 20 Nm (SF) and 50 Nm (EF for dampers up to 10 m²).

Available in 24 V and 230 V models with optional adjustable auxiliary switches and continuous 0...10 V feedback signals, these actuators deliver dependable freeze protection for heating coils and ensure positive isolation in industrial processes.

Specify spring torque (2/4/10/20/50 Nm), fail-safe return direction, auxiliary switches (-S) and proportional modulating input (-SR).

Fire Damper and Smoke Control Actuators (BFL, BLF, BFN, BF, BLE, BE)

Belimo fire protection and smoke control actuators (BFL, BLF, BFN, BF, BLE, BE series) are engineered to prevent flame propagation and exhaust hazardous smoke gases in building fire protection zones.

Fire damper actuators (BFL 4 Nm, BLF 6 Nm, BFN 9 Nm, BF 18 Nm) feature integrated thermal tripping devices (BAE72 / BAT72 rated at 72 °C) that trigger rapid spring-return closure when ambient or duct air temperatures exceed safety thresholds.

For smoke extraction and stairwell pressurization shafts, the heavy-duty BLE (15 Nm) and BE (40 Nm) motorized actuators deliver fast bidirectional positioning within 30 seconds under ambient temperatures up to +80 °C.

Equipped with factory-calibrated fixed end-switches and halogen-free fire-rated wiring, these units interface seamlessly with central fire alarm panels and building management systems.

Specify application (fire compartmentation or smoke extraction), damper area, thermal sensor rating (72 °C / 95 °C) and operating voltage.

Characterized Control Valves CCV and Quick Compact QCV (R2.., R3..)

Belimo Characterized Control Valves (CCV series R2.., R3..) and Quick Compact Valves (QCV) represent advanced control valve technology for hydronic air handling coils, fan coil units, chilled beams and zone heating circuits.

A patented Tefzel characterizing disc integrated into the ball inlet transforms the standard ball valve profile into an equal-percentage flow characteristic, ensuring linear thermal output control across the entire stroke.

Available in 2-way and 3-way configurations from DN15 to DN50 with flow coefficients Kvs from 0.25 to 49 m³/h at PN40/PN25 ratings, CCV valves guarantee bubble-tight zero-leakage shutoff (EN 12266-1 Rate A).

The valves mate directly with compact rotary actuators (TR, LR, NR, SR series) featuring manual override, electronic fail-safe capacitor options and smooth 0...10 V proportional control.

Specify configuration (2-way or 3-way), nominal diameter DN15-50, Kvs value, close-off pressure and rotary actuator series (TR, LR, NR, SR).

Belimo Energy Valve IoT Smart Valves and EPIV Electronic PICVs

Belimo Energy Valve (EV) and Electronic Pressure Independent Valve (EPIV) are state-of-the-art intelligent hydronic control assemblies designed to optimize thermal performance and pump energy efficiency in commercial HVAC systems.

Integrating a characterized control valve, an inline non-clogging ultrasonic flow meter, matched supply/return temperature sensors, and an onboard IoT controller with an embedded web server into a single unit, these devices deliver true pressure-independent flow control.

The integrated Delta-T Manager algorithm continuously calculates thermal heat transfer and limits flow to eliminate low Delta-T syndrome in heating and cooling coils, reducing pumping energy consumption by up to 30%.

Connectivity options include native BACnet IP/MSTP, Modbus TCP/RTU, MP-Bus and secure cloud telemetry via the Belimo Cloud platform.

Specify nominal size DN15-150, design flow rate (m³/h), communication protocols (BACnet IP/MSTP, Modbus TCP/RTU) and cloud telemetry.

Flanged Globe Valves H6/H7 and Linear Actuators (NV, AV, EV)

Belimo flanged globe valves (2-way H6 series and 3-way H7 series) matched with NV, NVG, AV, SV and EV linear actuators provide high-capacity fluid control for district heating substations, boiler plants, steam systems and central chiller plants.

Constructed from robust ductile cast iron and cast steel bodies spanning DN15 to DN150 with pressure ratings of PN16 and PN25, these valves deliver flow capacities Kvs from 0.4 up to 320 m³/h across fluid temperatures from -10 °C to +150 °C.

The matching linear actuators deliver closing thrust forces ranging from 500 N (NV series) up to 2500 N (EV series), featuring automatic stroke adaptation, continuous 0...10 V / 4...20 mA positioning, emergency fail-safe spring mechanisms (NVD/AVD), and integrated manual adjustment handles.

Specify 2-way H6 or 3-way H7 body, nominal diameter DN15-150, pressure rating PN16/25, actuator thrust (500-2500 N) and stroke length.

Industrial Butterfly Valves D6/D7 and High-Torque Actuators (SY, PR, JR)

Belimo industrial butterfly valves (2-way D6 series and 3-way D7 diverter assemblies) paired with high-torque SY, PR and JR electric actuators provide heavy-duty isolation and throttling control for cooling towers, chillers, industrial water loops and plant hydronics.

Featuring epoxy-coated ductile iron bodies, polished 304/316 stainless steel discs and precision-molded EPDM liners, these valves span nominal pipe sizes from DN25 up to DN700 at PN16 ratings.

The accompanying PR and SY smart actuators offer rugged IP66/IP67 weatherproof enclosures, internal anti-condensation heaters, manual override handwheels, BACnet MS/TP and Modbus RTU connectivity, alongside NFC configuration via the Belimo Assistant mobile app for rapid field commissioning.

Specify 2-way D6..N or 3-way D7..N, nominal size DN25-700, body style (wafer or lug) and actuator model (SY, PR series).

HVAC Sensors, Air Quality Transmitters and Ultrasonic Flowmeters (22DT, 22ADP, 22DC, 22PF)

Belimo precision HVAC sensors and transmitters deliver seamless measurement of thermodynamic and environmental parameters for building automation systems (BMS).

The portfolio includes duct and immersion temperature sensors (01DT, 22DT, 22HT series) with passive elements (Pt100, Pt1000, NTC10k) and active 0...10 V / 4...20 mA outputs; 22ADP differential air pressure transmitters featuring auto-zero calibration; 22DC multisensor room transmitters for synchronized monitoring of CO2 concentration, volatile organic compounds (VOC), humidity and temperature; as well as 22PF inline ultrasonic liquid flowmeters (DN15 to DN50) with automatic glycol concentration and temperature compensation for hydronic energy monitoring.

Specify measured parameter (temperature, humidity, differential pressure, CO2, flow), probe length, output type (Pt1000, 0...10 V, Modbus).