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Trim-to-size Paddle Type Switches for ‘flow/no Flow’ Detection for Piping Systems 1¼" and Up

FSW-21 and FSW-22   
 
FSW-21 and  FSW-22:Trim-to-size Paddle Type Switches for ‘flow/no Flow’ Detection for Piping Systems 1¼
   
$325.00  FSW-22
PLACE ORDER
1 year warranty CE RoHS
Easy to Install
Switch Acts Bi-directionally
Minimum Flow Restriction
Less Than 3 psig Pressure Drop
Low Cost
Reed Relay for Long Life

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FSW-20 series paddle-type switches easily install into pipes ranging in size from 1¼" on up using an ordinary pipe tee or threaded weld coupling. The paddle pivots to move out of the liquid’s path with increasing flow, thereby activating the switch. The paddle is easily cut for field installation for desired flow setting. Models FSW-21 and FSW-22 feature high pressure (2000 psig max.) and high temperature (to 150°C (300°F)) ratings for rugged installations.

SPECIFICATIONS:
Materials:
   Housing: Brass, FSW-21; 316 SS: FSW-22
   Paddle: 302 SS
   Other Wetted: PTFE, ceramic
Body Length: 86 mm (3.4")
Paddle Length: 140 mm (5.5")
Paddle Width: 25 mm (1")
Operating Temperature: -34.4°C to 148.9°C (-30°F to 300°F)
Max Pressure: 2000 psig
Pressure Drop: 3 psig
Repeatability: ±5%
Set Point Accuracy: ±25%
NOTE: 22 mm (0.9") max. height boss from Pipe or Tee O.D. for full paddle swing
Switch: SPDT, 20 VA
Lead Wires: 18 AWG, 0.6 m (2') long, Polymeric
Max Viscosity: 200 SSU or 43 centistokes

Paddle
Length
Pipe Line Sizes
1-1/4" 1-1/2" 2" 2-1/2" 3" 4"
Approx Actuation/Deactuation Flow Rates (GPM water)
Act. De-Act Act. De-Act Act. De-Act Act. De-Act Act. De-Act Act. De-Act
1-1/4" 5 3 13 8 22 15 29 22        
1-1/2"     15 11 28 21 38 30        
2"         22 15 27 20 48 38    
2-1/2"             21 14 40 26 52 39
3"                 31 20 45 32
4"                     39 25


To Order (Specify Model Number)
expand list What Other People Bought: When you see this icon, click on it to expand a list of products that other people have bought when they purchased this model.
 Part Number   Availability   Price   Description RoHS   Qty.
Click to expand/minimize a list of what others bought with the FSW-21  FSW-21 In Stock   $215.00    Flowswitch w/Brass 302SS PTFE, Ceramic -30°F to 300°F 2000 PSIG SPDT, 20VA. For pipes larger than 1 1/4". RoHS compliant
    FSW-22 In Stock   $325.00    Flowswitch w/ 316SS 302SS PTFE, Ceramic -30°F to 300°F, 2000 PSIG SPDT, 20VA. For pipes larger than 1 1/4". RoHS compliant
All dollar amounts on this site are shown in US currency.

 Note: Comes complete with operator's manual.


 Ordering Example: (1) FSW-21 Flowswitch, Brass Housing and 302SS Paddle with PTFE and Ceramic wetted parts, $215.00

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Keywords:Trim-to-size Paddle Type Switches for ‘flow/no Flow’ Detection for Piping Systems 1¼" and Up

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