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Flow Switches

We offer a complete product range of Series AVFS Air Flow Switch, Model AAFS Adjustable Air Flow Paddle Switch and Model 530 Air Flow Switch

Series AVFS Air Flow Switch

4,500 / Piece Get Latest Price
  • Number Of Flower Series AVFS Air Flow Switch
  • Brand Name DWYER USA
  • Certification YAS
  • Application Industrial Use, Fan Monitoring
  • Feature Easy To Install, Proper Working
  • Condition New
  • Total Carbohydrate 1yr
  • Production Power AVFS-1: 80 To 250 AC/DC (47 To 63 Hz AC). AVFS-2: 24 VDC ±25%.
  • Material PBT Body, Titanium Sensor.
  • Operating Temperature 5 To 122°F (-10 To 50°C).

series avfs air flow switch

monitors flow in ducts with contact output and local led indication

the series avfs adjustable air flow switch is specifically designed to monitor air flow in ducts and provides a 3 a contact output to indicate a change or loss of flow. The avfs provides a 5% set-point repeatability across a full scale range of 1-10 m/s (197-1969 fpm) and includes a mounting bracket for quick duct mounting.

product applications

  • fan monitoring
  • filter monitoring
  • damper feedback
  • air handlers

modeldescription

  • avfs-1thermo air flow switch, 80-250 ac/dc.
  • avfs-2thermo air flow switch, 24 vdc.

specifications

  • air velocity range:197-1969 fpm (1-10 m/s).
  • temperature limits:5 to 122f (-10 to 50c).
  • humidity limits:0-90% rh.
  • wetted materials:pbt body, titanium sensor.
  • pressure limit:14.7 psig (1 bar).
  • housing:pbt.
  • repeatability:5% fs.
  • switch type:n.o. Spst.
  • electrical rating:3 a @ 30 vdc/250 vac.
  • response time:3-60 seconds. Varies with flow and set point.
  • power requirement:avfs-1: 80 to 250 ac/dc (47 to 63 hz ac). Avfs-2: 24 vdc 25%.
  • power consumption:3 va.
  • electrical connection:6.5' (2 m) cable.
  • enclosure rating:ip65.
  • display:1 red led/1 green led.
  • weight:7.2 oz (203 g).
  • agency approvals:ce.

features

  • integral red/green air flow status leds
  • flush sensor design limits issues due to dust or particulate in the air flow
  • ip65 construction

related products

  • model 530 air flow switch
  • model 530 air flow switch
  • series 641 air velocity transmitter
  • series 641 air velocity transmitter

Additional Information:

Payment Terms : L/C, D/A, D/P, T/T, Western Union,

Delivery Time : 4-6 WEEK

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Model AAFS Adjustable Air Flow Paddle Switch

10,500 / Piece Get Latest Price
  • Number Of Flower Model AAFS Adjustable Air Flow Paddle Switch
  • Brand Name DWYER USA
  • Certification YAS
  • Application Industrial Use, Air And Compatible Gas.
  • Feature Easy To Install, Proper Working
  • Condition New
  • Total Carbohydrate 1yr
  • Material Vane: SS; Lever: Brass; Base: Galvanized Steel.
  • Operating Temperature Ambient: -40 To 180°F (-40 To 85°C); Process: -14 To 185°F (-10 To 85°C).

model aafs adjustable air flow paddle switch

ranges from 200 to 1800 fpm, stainless steel vane, abs housing

the model aafs adjustable air flow switch is capable of detecting a wide range of air velocities with minimal user calibration. Quality features include a stainless steel vane, galvanized steel base, and abs enclosure.

california residents: click here for proposition 65 warning.

product applications

  • air flow proving in hvac systems

modeldescription

  • aafsadjustable air flow paddle switch

specifications

  • service:air and compatible gas.
  • wetted materials:vane: ss; lever: brass; base: galvanized steel.
  • housing:abs.
  • temperature limits:ambient: -40 to 180f (-40 to 85c); process: -14 to 185f (-10 to 85c).
  • humidity limits:10 to 90%, noncondensing.
  • switch type:spdt.
  • electrical rating:15(8) a @ 250 vac.
  • electrical connection:screw terminal with m18 x 1.5 cable gland.
  • process connection:flange.
  • mounting orientation:horizontal duct flow.
  • set point:internal screw.enclosure rating:ip65.
  • weight:13.6 oz (380 g).

features

  • adjustable air flow sensitivity from 200 to 1800 fpm
  • high current (15 a) rated spdt contact
  • ip65 enclosure rating

Additional Information:

Payment Terms : L/C, D/A, D/P, T/T, Western Union,

Delivery Time : 4-6 WEEK

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Model 530 Air Flow Switch

  • Number Of Flower Air Flow Switch, Model 530 Air Flow Switch
  • Brand Name DWYER USA
  • Certification YAS
  • Application Industrial Use, Air And Non-combustible Gas Flow.
  • Feature Easy To Install, Proper Working
  • Condition New
  • Total Carbohydrate 1yr
  • Current Type 125 VAC: 9.8 Amp Full Load 58.8 Amp Locked Rotor. 250 VAC: 4.9 Amp Full Load 29.4 Amp Locked Rotor.
  • Production Power 125 VAC: 9.8 Amp Full Load 58.8 Amp Locked Rotor. 250 VAC: 4.9 Amp Full Load 29.4 Amp Locked Rotor.
  • Material Consult Factory.
  • Operating Temperature 180°F (82°C).

model 530 air flow switch

adjustable from 400-1600 fpm, stainless steel vane

the model 530 air flow switch provides excellent sensitivity and reliability at a very reasonable price. Quality features include a rugged die cast body, stainless steel vane and spdt snap switch. Unit is field adjustable from 400-1600 fpm. Mounting is fast and simple, with only two screws needed. Vane fits 6" or larger ducts.

product applications

  • low air flow condition duct alarm.

modeldescription

  • 530air flow switch.

specifications

  • service:air and non-combustible gas flow.
  • wetted materials:consult factory.
  • vane:stainless steel.
  • temperature limit:180f (82c).
  • switch type:spdt.
  • electrical rating:125 vac: 9.8 amp full load 58.8 amp locked rotor. 250 vac: 4.9 amp full load 29.4 amp locked rotor. Pilot rating: 470 va at 125, 250 vac. Resistive: 15 amp at 125, 250, or 480 vac.
  • electrical connections:screw type terminal.
  • conduit connection:7/8" conduit hole.
  • mounting orientation:horizontal duct flow.
  • set point adjustment:screw type.
  • weight:1 lb, 1 oz (481.94 g).
  • agency approvals:ul, csa, ce.
  • caution: for use only with air or non-combustible non-corrosive gases. Unit is not sealed against dust.

related products

  • series 1800 low differential pressure switch for general industrial service
  • series 1800 low differential pressure switch for general industrial service
  • series 1900 compact low differential pressure switches
  • series 1900 compact low differential pressure switches
  • series 160 stainless steel pitot tube
  • series 160 stainless steel pitot tube
  • series adps/edps differential pressure switch
  • series adps/edps differential pressure switch
  • model aafs adjustable air flow paddle switch
  • model aafs adjustable air flow paddle switch

Additional Information:

Payment Terms : L/C, D/A, D/P, T/T, Western Union,

Delivery Time : 4-6 WEEK

View Complete Details
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