FLOW SWITCHES Type FQS GENERAL DESCRIPTION
m
• For use on liquid lines such as water, ethylene glycol, or any non-corrosive fluid in chillers, pumps, condensers, boilers, etc. • With S.P.D.T. contact mechanism. • Paddle consists of three segments that can be removed or trimmed for use in 1 to 6" pipe. • Drip proof models: Available upon request.
co
mark applicable (available upon request)
SPECIFICATIONS Paddle Size
Connection
3"
FQS–U30G
Max. Fluid Press (MPa) {kgf/cm2}
Max. Fluid Temp. (°C)
0.98 {10}
R1"
80
＊ Wt. (kg)
Adjustment (liter/min.)
Min.
Max.
Line Size
Flow Decrease
Flow Increase
Flow Decrease
1"
18
28
45
55
50
65
150
180
100
120
225
270
0.6
nd
Catalog No.
a.
UL listed (available upon request)
2" 3"
Flow Increase
tie
＊Flow decrease ... Flow amount at which the switch operates on flow decrease. Flow increase ... Flow amount at which the switch operates on flow increase. Flow rate based on the flow amount when 1" paddle is used for 1" pipe, 2" paddle for 2" pipe, and 3" paddle for 3" pipe.
Non-Inductive Current
15
15
Full Load
0.75
3.5
2.5
Locked Rotor
0.45
21
15
DIMENSIONS 50
64
sa
29
125V. AC
gi
Inductive Current
PRESSURE DROP CHARACTERISTICS
250V. AC
200
800
1" Pipe
150
600
100
50
0 0.005 0.01 0.015 0.02 0.025 {0.05} {0.1} {0.15} {0.2} {0.25}
1.5 12±1.2 59
89
1" Paddle 2" Paddle
3" Paddle 28
Pressure Drop (MPa) {kgf/cm2}
1600
300
0 0.005 0.01 0.015 0.02 0.025 {0.05} {0.1} {0.15} {0.2} {0.25} Pressure Drop (MPa) {kgf/cm2}
3" Pipe
1400
1" Paddle
1200
2" Paddle
Flow Rate（L/min.）
R1"
35
（189）
400
100
Hex.36
Flow
500
200
98.5
:// ht
tp
Earth Mark
2" Pipe
700
Flow Rate（L/min.）
Rated Amps. (A)
Power Factor (cosφ) 1
Flow Rate（L/min.）
Rated Voltage (V)
no
ELECTRICAL RATINGS
3" Paddle
1000 800 600 400
Unit: mm 200
0 0.005 0.01 0.015 0.02 0.025 {0.05} {0.1} {0.15} {0.2} {0.25} Pressure Drop (MPa) {kgf/cm2}
96