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Airflow controllers

Airflow controllers

Airflow controllers are designed for constant (CAV) or variable (VAV) airflow volume control in circular or four-sided HVAC ducts. Thanks to the regulation of air flow volume or duct pressure, the use of variable or constant air flow volume controllers is more economical for the operation of the HVAC systems. We supply air flow controllers for circular and four-sided ducts, from manually operated to electrically adjustable by servo drives.

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  • OPTIMA-R-125-BLC1-LON

    OPTIMA-R-125-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 125
  • OPTIMA-R-140-GO

    OPTIMA-R-140-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 140
  • OPTIMA-R-250-BLC1-LON

    OPTIMA-R-250-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 250
  • OPTIMA-R-280-GO

    OPTIMA-R-280-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 280
  • OPTIMA-R-630-BLC1-LON

    OPTIMA-R-630-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 630
  • OPTIMA-R-100-BLC1-LON

    OPTIMA-R-100-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 100
  • OPTIMA-R-125-GO

    OPTIMA-R-125-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 125
  • OPTIMA-R-225-BLC1-LON

    OPTIMA-R-225-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 225
  • OPTIMA-R-250-GO

    OPTIMA-R-250-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 250
  • OPTIMA-R-500-BLC1-LON

    OPTIMA-R-500-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 500
  • OPTIMA-R-080-BLC1-LON

    OPTIMA-R-080-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 80
  • OPTIMA-R-630-GO

    OPTIMA-R-630-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 630
  • OPTIMA-R-100-GO

    OPTIMA-R-100-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 100
  • OPTIMA-R-200-BLC1-LON

    OPTIMA-R-200-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 200
  • OPTIMA-R-225-GO

    OPTIMA-R-225-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 225
  • OPTIMA-R-400-BLC1-LON

    OPTIMA-R-400-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 400
  • OPTIMA-R-500-GO

    OPTIMA-R-500-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 500
  • OPTIMA-R-080-GO

    OPTIMA-R-080-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 80
  • OPTIMA-R-180-BLC1-LON

    OPTIMA-R-180-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 180
  • OPTIMA-R-200-GO

    OPTIMA-R-200-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 200
  • OPTIMA-R-355-BLC1-LON

    OPTIMA-R-355-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 355
  • OPTIMA-R-400-GO

    OPTIMA-R-400-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 400
  • OPTIMA-R-160-BLC1-LON

    OPTIMA-R-160-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 160
  • OPTIMA-R-180-GO

    OPTIMA-R-180-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 180
  • OPTIMA-R-315-BLC1-LON

    OPTIMA-R-315-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 315
  • OPTIMA-R-355-GO

    OPTIMA-R-355-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 355
  • OPTIMA-R-140-BLC1-LON

    OPTIMA-R-140-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 140
  • OPTIMA-R-160-GO

    OPTIMA-R-160-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 160
  • OPTIMA-R-280-BLC1-LON

    OPTIMA-R-280-BLC1-LON

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 280
  • OPTIMA-R-315-GO

    OPTIMA-R-315-GO

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 315
  • EN 600x500 B50

    EN 600x500 B50

    four-sided CAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 600x500
  • TVE Easy 400

    TVE Easy 400

    circular VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 400
  • OPTIMA-RS-200-BLC1+/optima_rs_rozmery.png

    OPTIMA-RS-200-BLC1

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 200
  • EN 500x400 B50

    EN 500x400 B50

    four-sided CAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 500x400
  • OPTIMA-RS-125-BLC1+/optima_rs_rozmery.png

    OPTIMA-RS-125-BLC1

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 125
  • OPTIMA-RS-400-BLC1+/optima_rs_rozmery.png

    OPTIMA-RS-400-BLC1

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 400
  • VFC 315

    VFC 315

    circular CAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 315
  • EN 600x600 B50

    EN 600x600 B50

    four-sided CAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 600x600
  • OPTIMA-RS-250-BLC1+/optima_rs_rozmery.png

    OPTIMA-RS-250-BLC1

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 250
  • EN 600x400 B50

    EN 600x400 B50

    four-sided CAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Pipe: 600x400
  • TVE Easy 315

    TVE Easy 315

    circular VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 315
  • OPTIMA-RS-160-BLC1+/optima_rs_rozmery.png

    OPTIMA-RS-160-BLC1

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 160
  • VFC 400

    VFC 400

    circular CAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 400
  • OPTIMA-RS-100-BLC1+/optima_rs_rozmery.png

    OPTIMA-RS-100-BLC1

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 100
  • OPTIMA-RS-315-BLC1+/optima_rs_rozmery.png

    OPTIMA-RS-315-BLC1

    VAV airflow controller  
    Excl. Tax: €0 Incl. Tax: €0
    in 1-2 weeks
    Duct: 315
  • RDR-80/15-50

    RDR-80/15-50

    airflow regulator  
    Excl. Tax: €24 Incl. Tax: €30
    in 2-3 weeks
    Duct: 80
  • VFL 80

    VFL 80

    circular CAV airflow controller  
    Excl. Tax: €28 Incl. Tax: €34
    in 1-2 weeks
    Duct: 80
  • RDR-100/15-50

    RDR-100/15-50

    airflow regulator  
    Excl. Tax: €30 Incl. Tax: €36
    in 2-3 weeks
    Duct: 100
  • RDR-100/50-100

    RDR-100/50-100

    airflow regulator  
    Excl. Tax: €30 Incl. Tax: €36
    in 2-3 weeks
    Duct: 100
  • VFL 100

    VFL 100

    circular CAV airflow controller  
    Excl. Tax: €31 Incl. Tax: €38
    in 1-2 weeks
    Duct: 100

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VFL

VFL

The circular VFL throttling air flow volume controllers are designed for quick and easy equalization of constant airflow in HVAC systems. The VFL controllers are suitable for low air flow velocity from 0,8 m/s. Installation is ensured by inserting the CAV controller into a HVAC duct. The controller housing and blade are made of high-quality plastic, the leaf spring is made of stainless steel.

 

DIRU

DIRU

The DIRU regulating and measuring dampers are used for regulation and measurement of air flow in circular ducts. They are characterized by low noise level, class C air-tightness and the possibility of full opening for duct cleaning. The DIRU air flow controllers are made of galvanized sheet steel and are supplied with a control mechanism, measuring scale and pressure gauge connections. The dampers are connected to the circular ducts by means of rivets or self-tapping screws. The connections are equipped with a double-lipped EPDM rubber seal and are therefore widely used in projects with special tightness requirements.

 

IRIS

IRIS

The IRIS regulating and measuring dampers are an ideal device for regulating and measuring air flow in circular ducts. The IRIS airflow volume regulators are characterized by low noise level, the possibility of full opening for duct cleaning and a very tight design. The IRIS measuring dampers are made of galvanized sheet steel and are supplied with a control mechanism, measuring scale and pressure gauge connections.

 

RDR

RDR

The RDR constant air volume flow controllers are used for precise mechanical setting of the required amount of air in the pressure range of 50-250 Pa. The air volume flow controllers are used in ventilation or air conditioning systems for air supply or exhaust.
The air flows through an opening inside the air volume flow controllers, in which the damper changes position according to the specified air flow volume. The built-in damper is connected to a calibrated spring, so no additional actuator is required. The damper can be adjusted using a locking screw. The air flow change is only possible in the given range of the controllers, which is specified in the product code. The RDR are constant air volume flow controllers, which are made of plastic (polymer) in grey, classified M1. The operating range of air temperatures is +5 to +60 °C.

 

NOTUS-S / NOTUS-SI

NOTUS-S / NOTUS-SI

The NOTUS-S four-sided constant air volume flow controllers are used to precisely set the required volume of transported air in the operating range of 50 - 1000 Pa. The controllers are available with manual control or with servo drive. The servo drive is used for step or continuous air flow volume control. The transported air flows through a damper, which changes the position according to the set air flow volume. The rectangular damper is connected to a calibrated spring that ensures the control operation to achieve the desired air flow volume. The constant air flow volume controller is suitable for both air inlet and outlet.

The NOTUS-S rectangular constant airflow volume flow controller are available in the following designs: M0 - manual control by means of a locking screw, M1 - servo drive 24V, 0-10V (can be used for both continuous and step control), M2 - servo drive 230V, 2-step (only for step control of the air flow volume).

 

NOTUS-R / NOTUS-RI

NOTUS-R / NOTUS-RI

The NOTUS-R / NOTUS-RI circular constant air flow volume controllers are used for precise adjustment of the required amount of transported air in the operating range of 50 - 1000 Pa. The controllers are available with manual operation or with servo drive. The servo drive is used for step or continuous control of the air flow volume. The transported air flows through a damper which changes position according to the set air flow volume. The circular damper is coupled to a calibrated spring that ensures the control operates to achieve the desired air flow volume. The constant air flow controller is suitable for both supply and extract air.

The NOTUS-R circular constant air flow volume controllers can be supplied with the following markings : M0 - manual adjustment by means of a locking screw, M1 - servo drive 24V, 0-10V (can be used for continuous and step control) M2 - servo drive 230V, 2-point (only for step change of airflow volume). NOTUS-RI - acoustically sheathed (isolated).

 

SPM

SPM

The SPM is an iris damper for air flow volume control. The SPM has a central sealing element with higher throttling effect. It is designed to control and measure the air flow volume and has higher throttling capacity thanks to a central foam rubber sealing element. Low noise level (no silencer needed behind the controller), uniform airflow, with centric circular cross-section, precision measuring accessories.

 

SPI

SPI

The SPI are circular iris dampers designed for control and measurement of the air flow volume. The iris dampers are made of galvanized sheet steel and are equipped with a rubber seal in the place of connection with a circular duct. The SPI iris dampers have a low noise level, so there is no need for a silencer behind the controller. The iris dampers can be used to control the air flow volume even when exhausted via diffusers. The maximum ambient temperature is 70 °C.

 

RPM

RPM

The RPM-K mechanical self-acting constant air flow volume controllers are duct elements that maintain a constant air flow volume in proportion to the pressure drop change in HVAC systems. The RPM-K are controllers designed for installation in circular ducts. The circular controller body and control device are made of galvanized sheet metal, the damper blade is made of aluminium sheet metal, and the blade axis, housing and spring are in stainless steel.

The self-acting mechanical constant airflow volume controllers are designed for supply and exhaust air systems where it is necessary to maintain a constant airflow volume in proportion to the pressure drop change. The position of the constant airflow volume controller can be horizontal or vertical. Air flow volume from 50 to 4500 m3/h, maximum air velocity is 10 m/s and maximum duct pressure is 1000 Pa. Each VAV controller is equipped with a pressure probe in the airflow and a servo drive (Belimo NMV-D2 MP, 24 VAV, supply voltage 24 V, control voltage 0-10 V).

 

TVJ Easy / TVJ-D Easy

TVJ Easy / TVJ-D Easy

The TVJ Easy rectangular HVAC control units are used to precisely set the required volume of transported air up to 36 000 m3/h. The variable airflow volume controllers are suitable for air speeds of up to 10 m/s. The TVJ Easy air flow volume controllers are also suitable for controlling room pressure or air duct pressure and for limiting or stopping the air flow in HVAC systems. The TVJ controller is available with electronic control elements - Easy, Compact, Universal and Labcontrol.

The TVJ Easy rectangular air flow volume controllers are made of galvanized sheet steel. On request, they are available with silver-gray RAL 7001 powder enamel coating. The damper blades and the differential pressure sensor are made of aluminium.

Variants
TVJ Easy - rectangular VAV controller
TVJ-D Easy - rectangular VAV controller with acoustic insulation

Available on request:
EASY controller - compact unit consisting of a controller with potentiometers, differential pressure transducer and servo drive
COMPACT controller - compact unit consisting of a controller, differential pressure transducer and servo drive
UNIVERSAL controller - controller, differential pressure transducer and servo drives for special applications
LAMCONTROL - control elements for HVAC systems

 

TVR Easy / TVR-D Easy

TVR Easy / TVR-D Easy

The circular TVR Easy / TVR-D Easy controllers are designed for standard control applications in HVAC systems with variable air flow volume. The VAV controllers are also suitable for throttling or total air flow shutdown. The TVR Easy / TVR-D Easy air flow volume controllers are made of galvanized sheet steel, the seals are made of plastic. The controller is equipped with plain bearings.

Variants
TVR Easy - compact unit consisting of a VAV controller with potentiometers, a differential pressure transducer and a servo drive.
TVR-D Easy - compact unit consisting of a VAV controller with potentiometers, differential pressure transducer and a servo drive. It is also equipped with an acoustic housing (acoustic insulation)

The following versions are available on request:
TVR-FL - VAV controller with flanges on both ends
TVR-D-FL - VAV controller with an acoustic housing and flanges on both ends
COMPACT controller - consists of the controller, a differential pressure transducer and a servo drive
UNIVERSAL controller - consists of the controller, a differential pressure transducer and a servo drive for special applications
LABCONTROL - control elements for HVAC systems

 

TVE Easy

TVE Easy

The circular TVE Easy variable air flow controllers ensure high-precision control even under adverse inlet conditions. The controllers are also used to limit or stop the air flow in HVAC systems. The damper blade is equipped with a built-in measuring unit. The TVE Easy controller is a compact unit consisting of a controller with potentiometers, an effective pressure transducer and a servo drive.

The TVE Easy circular controllers are made of galvanized sheet metal. The P1 version with powder enamel coating (silver-gray RAL 7001) or A2 version made of stainless steel are available on request.

The following TVE controller variants can be available on request:
COMPACT controller - compact unit consisting of a controller with potentiometers, an effective pressure transducer and a servo drive
COMPACT MODBUS controller - controller variant with the Modbus RTU interface: Plug and Play solution in conjunction with the X-AIRCONTROL room controller

Variants
TVE - VAV controller
TVE-D - VAV controller with an acoustic protection cover
TVE-FL - VAV controller with flanges on both sides
TVE-D-FL - VAV controller with an acoustic protection cover and flanges on both ends

 

EN

EN

The EN four-sided automatic CAV controllers are designed to control the inlet or outlet air flow volume in HVAC systems. The EN air flow volume controller is a mechanical automatic unit that operates without external power supply. The damper blade, equipped with low friction bearings, is adjusted by aerodynamic forces so that the set air flow volume is kept constant within the differential pressure range. The EN controllers for the regulation of normal and high CAV are suitable for air flow volume of up to 12 096 m3/h. The EN controllers are suitable for air flow velocity of up to 8 m/s. The CAV controllers are made of galvanized steel, silver-gray RAL 7001 powder enamel coating available on request.

Variants
EN - CAV controller
EN-D - CAV controller with acoustic insulation 
EN/B50 - CAV controller with two-position servo drive to adjust the set air flow volume

Versions with a servo drive can be available on request 
B52 - 24 V AC/DC, 3-point, with auxiliary switch
B70 24 V AC/DC, modular voltage 2-10V DC

 

RN

RN

The automatic RN circular controllers are used to regulate the air flow in HVAC systems with constant air flow volume. The RN controllers for circular ducts have high control accuracy. Air flow velocity of up to 12 m/s. The CAV controllers are made of galvanized sheet steel. CAV controllers with silver-grey RAL 7001 powder enamel coating or made of stainless steel are available on request.  

Variants 
RN - CAV controller with a gauge in m3/h 
RN/B50 - air flow volume controller including a servo drive Min/Max

 

OPTIMA-R

OPTIMA-R

The OPTIMA-R variable air flow volume controllers are designed to regulate air flow volume in individual ductwork branches, where the inlet is solved by VAV controllers and the outlet by a central outlet branch. Values of the controllers can be changed according to needs and requirements for heating, ventilation, etc. The OPTIMA-RM controllers are suitable for air supply control in multiple zones such as offices, hotel rooms, conference rooms, classrooms, etc. The regulators are controlled by a room thermostat, a CO2 sensor, a motion sensor, a relative humidity sensor or a superior BMS system.

The OPTIMA-R circular VAV controllers can be available with: BLC1 - Belimo 24V servo drive with MP-Bus, BLC1-MOD - Belimo 24V servo drive with ModBus, BLC1-LON - Belimo 24V servo drive with LonWorks, BLC1-KNX - Belimo 24V servo drive with KNX, BLC4 - Belimo 24V servo drive, GO - Grüner 24V servo drive, GO-MOD - Grüner 24V servo drive with ModBus.
OPTIMA-RI - acoustically coated air flow volume controller (insulated).

 

OPTIMA-S

OPTIMA-S

The OPTIMA S variable air flow volume controllers are designed to control air flow volume in HVAC ducts based on an external signal. The recommended use of the OPTIMA-S VAV controllers is in one zone with both air inlet and outlet, e.g. offices, hotel rooms or conference rooms. Thanks to the VDI6022 and VDI 3803 certification, the OPTIMA S variable air flow controllers can also be used in more hygienically demanding areas such as hospitals, laboratories, etc.

The OPTIMA-S four-sided variable airflow volume controllers can be available with the following designations: BLC1 - Belimo 24V servo drive with MP-Bus, BLC1-MOD - Belimo 24V servo drive with ModBus, BLC1-LON - Belimo 24V servo drive with LonWorks, BLC1-KNX - Belimo 24V servo drive with KNX, BLC4 - Belimo 24V servo drive, GO - Grüner 24V servo drive, GO-MOD - Grüner 24V servo drive with ModBus.
OPTIMA-SI - acoustically coated air flow volume controller (insulated).

 

OPTIMA-LV

OPTIMA-LV

The OPTIMA-LV variable air flow volume controllers are specially developed for high-precision VAV control of low air volumes in duct systems. The external signal for the automatic control can vary depending on requirements on heating, cooling or CO2. The VAV control inside the regulators is ensured by a damper blade connected to a servo-drive, which evaluates the pressure difference on the damper blade.

Due to their air-tightness class, the OPTIMA-LV controllers are suitable for environments with higher hygiene requirements, such as hospitals, operating rooms, laboratories, etc. The OPTIMA-LV controllers are available in the standard version or with acoustic and thermal insulation designated as OPTIMA LV-RI.

 

VFC

VFC

The VFC circular controllers are used to regulate air flow volume from 0,8 m/s. The air flow volume is adjusted by means of a rotary scale wheel on the outside of the controller. The circular VFC-type CAV controllers are mechanical, self-acting and operate without external power supply. They are designed for low air flow velocity.
The housing of the VFC circular controller is made of galvanized sheet steel, the damper blade is made of high-quality plastic.

The following versions are available on request:
VFC E01 - CAV controller with 24 V AC/DC servo drive, 3-point, potentiometer
VFC E03 - CAV controller with 24 V AC/DC servo drive, modulated voltage (2-10 V DC, potentiometer)
VFC M01 - CAV controller with 24 V AC/DC servo drive, 3-point, with mechanical stops

 

LVC Easy

LVC Easy

The LVC Easy variable air volume controllers for circular ducts are designed for air supply and exhaust systems with the VAV control. They are suitable for low air flow velocities (from 0,6 to 6 m/s) and low pressure in air ducts. The LVC Easy controllers are equipped with a lip seal for circular ducts to be connected. The position of the damper blade is shown outside on the axis extension. The housing of the LVC controller is made of galvanized sheet steel. The nozzle, control damper and plain bearings are made of plastic. The installation is possible in any position.

The following variants of the LVC controller can be available on request
Compact controller - a compact unit consisting of a controller, a differential pressure transmitter and a servo drive.

 
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