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VENTS Stream 100/125


Inline mixed-flow fan in sound- and heat-insulated casing with the air flow up to 320 m3/h.

  • Description
  • Characteristics
  • Downloads
  • Dimensions
  • Capacity diagram
  • Dimensions
  • Designation key
Description
Description
APPLICATION
  • VENTS Stream series of duct fans in a special sound-insulated casing, which ensures silent operation of the fan with high aerodynamic characteristics.
  • Compatible with air ducts with a diameter of 100 to 160 mm.
  • VENTS Stream fans combine the wide capabilities and high performance characteristics of axial and centrifugal fans, providing a powerful air flow and high pressure.
  • They are used in supply and exhaust ventilation systems of various commercial and industrial premises with increased noise level requirements (libraries, conference rooms, educational institutions, kindergartens, etc.).
DESIGN
  • The casing and impeller are made of high quality and durable plastic.
  • The internal perforation of the casing allows sound waves to pass through, directing them at a certain angle to a layer of sound-absorbing material.
  • The casing is internally heat- and sound-insulated with a 50 mm mineral wool layer.
  • The special perforation of the casing and the sound-absorbing material ensure sound attenuation in a wide frequency range.
  • Due to the conical shape of the impeller and specially shaped blades, the circular speed of the air flow is increased, providing higher pressure and performance compared to standard axial fans.
  • The diffuser, the specially profiled impeller and the directing vanes at the outlet of the fan casing distribute the air flow in such a way as to attain the best combination of high performance and high pressure at low noise level.
  • The fan casing is equipped with an external sealed terminal box for connection to power mains.
ELECTRIC MOTOR
  • Single-phase energy efficient three-speed motors with low energy demand are used.
  • The fan motors are equipped with thermal fuses for overload protection.
  • The ball bearings provide a long service life (about 40 000 hours of continuous operation).
  • The motor protection class is IPX4.
SPEED CONTROL
  • The three-speed motor can be controlled using a built-in switch (option "V") or an external switch for multi-speed fans (purchased separately).
  • A built-in speed controller (option "P"), an external TRIAC or autotransformer speed controller (available upon separate order) enable smooth motor speed control when connected to the maximum speed terminal.
  • The models with the "T" option are equipped with a turn-off delay timer, adjustable from 2 to 30 minutes.
Vents Stream fan with additional options
MOUNTING
  • The fans can be installed at the beginning, in the middle or at the end of the duct system.
  • Mounting at any angle relative to the fan axis is allowed.
  • In one system, it is possible to install several fans in parallel to increase the air flow or in series to increase the operating pressure.
  • The fan casing is equipped with mounting brackets for floor, wall or ceiling mounting.
FAN WITH ELECTRONIC TEMPERATURE AND SPEED CONTROL MODULE (U OPTION).
  • The ideal solution for ventilation of premises with high demands to permanent temperature control e.g. greenhouses.
  • A fan with an electronic temperature and speed module provides automatic control of impeller rotation speed (air flow) depending on the air temperature in the air duct or in the room.
The front panel of the electronic module has the following control knobs:  
  • controller for impeller speed presetting
  • electronic thermostat operation threshold controller
  • thermostat operation indicator
There are two versions:  
  • with a temperature sensor built into the fan duct (option "U");
  • with a remote temperature sensor fixed on a 4 m cable (option "Un").
FAN OPERATION ALGORITHM WITH ELECTRONIC TEMPERATURE AND SPEED CONTROL MODULE
  • Set the desired air temperature (thermostat threshold) by turning the thermostat control knob and the minimum rotation speed (air flow) by turning the speed control knob.
  • If the temperature rises and exceeds the set thermostat threshold, the automation switches the fan to the maximum rotation speed (maximum air flow).
  • When the air temperature drops below the set thermostat threshold, the automation switches the fan motor to the previously set rotation speed.
  • To prevent frequent switching of motor speeds in case when the temperature in the air duct is equal to the set temperature threshold, a speed switching delay has been introduced into the algorithm.
  • When the air temperature exceeds the set thermostat threshold by 2 °C, the fan switches to an increased speed.
  • The fan switches to the set (reduced) speed after the temperature drops below the set temperature threshold.
  • This algorithm is used to maintain the air temperature with an accuracy of 2 °C.
  • Fan speed changes are infrequent.
Characteristics
Characteristics
Parameter Stream 100/125
(spigot 100 mm)
Stream 100/125
(spigot 100 mm)
Stream 100/125
(spigot 100 mm)
Stream 100/125
(spigot 125 mm)
Stream 100/125
(spigot 125 mm)
Stream 100/125
(spigot 125 mm)
Measurement unit
Speed min med max min med max -
Spigot diameter 100 100 100 125 125 125 mm
Phase 1 1 1 1 1 1 ˜
Fan current 0.13 0.14 0.15 0.14 0.14 0.16 A
Voltage 230 230 230 230 230 230 V
Fan power 28 31 32 31 33 34 W
Frequency 50 50 50 50 50 50 Hz
Maximum air capacity 32 41 61 46 60 89 l/s
Maximum air capacity 114 147 220 164 216 320 m³/h
RPM 1568 1952 2362 1552 1952 2356 min-1
Sound pressure level at 3 m Sound pressure level at 3 m 19 23 27 20 22 28 dBА
Maximum transported air temperature -25...+55 -25...+55 -25...+55 -25...+55 -25...+55 -25...+55 °С
Protection rating IP X4 IP X4 IP X4 IP X4 IP X4 IP X4 -
Motor protection rating IP 20 IP 20 IP 20 IP 20 IP 20 IP 20 -
Weight 5.05 5.05 5.05 5.00 5.00 5.00 kg
Design mixed-flow mixed-flow mixed-flow mixed-flow mixed-flow mixed-flow -
Sound- and heat-insulated casing Sound- and heat-insulated casing + + + + + + -
Casing material plastic plastic plastic plastic plastic plastic -
Outdoor mounting no no no no no no -
Duct for round air ducts for round air ducts for round air ducts for round air ducts for round air ducts for round air ducts -
Type exhaust, supply and exhaust, supply exhaust, supply and exhaust, supply exhaust, supply and exhaust, supply exhaust, supply and exhaust, supply exhaust, supply and exhaust, supply exhaust, supply and exhaust, supply -
ЕС- motor ЕС- motor - - - - - - -
Mounting Inline Inline Inline Inline Inline Inline -
Files archieve
Downloads
Select document type
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  • Technical documentation
Name
"VENTS Stream (EC)" user's manual 10-2022 (V238EN-03) (pdf 3.2Mb)
"VENTS Stream" product description 02-2022 (pdf 952.09Kb)
Download high quality image "VENTS Stream (ErP 2018)" (psd 3.56Mb)
Download image "VENTS Stream (ErP 2018)" for your website (png 200.87Kb)
Dimensions
Characteristics
Parameter Value Measurement unit
Capacity diagram
Capacity diagram
Stream 100/125 (spigot 100 mm)  
 
Sound-power level, A - weighted Octave frequency band [Hz] LpA, 3 m dBA LpA, 1 m dBA
  Hz Gen. 63 125 250 500 1000 2000 4000 8000
LwA to inlet dBA 52 28 46 50 41 35 33 36 29 32 42
LwA to outlet dBA 51 25 43 50 40 32 31 36 31 31 41
LwA to environment dBA 48 28 44 44 36 32 28 27 22 27 37
   
Stream 100/125 (spigot 125 mm)  
 
Sound-power level, A - weighted Octave frequency band [Hz] LpA, 3 m dBA LpA, 1 m dBA
  Hz Gen. 63 125 250 500 1000 2000 4000 8000
LwA to inlet dBA 54 31 49 52 43 37 34 37 30 34 44
LwA to outlet dBA 52 26 44 51 41 33 32 37 31 32 42
LwA to environment dBA 48 28 45 45 37 32 28 28 22 28 38
Dimensions
Dimensions

 

Type Dimensions [mm]
ØD B L H
Stream 100/125 (spigot 100 mm) 99 253 752 273
Stream 100/125 (spigot 125 mm) 124 253 689 273
Designation key
Designation key
Series Air duct diameter Options
VENTS Stream 100; 125; 150; 160 T: adjustable turn-off delay timer, from 2 to 30 min.
U: speed controller with an electronic thermostat and a temperature sensor built into the air duct. Temperature-based operation logic.
Un: speed controller with an electronic thermostat and a temperature sensor, fixed on a 4 m cable. Temperature-based operation logic.
R: power cord with a mains plug.
V: three-position speed switch.
P: integrated smooth speed controller.
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