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EXPLAINED
- SMC Home
- Sensors, Switches & Controllers
- Liquid Flow Sensors & Switches
- Diaphragm Switch
- IFW, Diaphragm Flow Switch for Non-Corrosive Liquids, 1-50 Lpm
IFW, Diaphragm Flow Switch for Non-Corrosive Liquids, 1-50 Lpm
IFW is a mechanical switch for the detection and confirmation of liquid flow. The flow body houses a diaphragm responsive to flow rate. A connected rod and lever mechanism triggers a micro switch at a manually adjustable set point. An optiional light, either neon (VAC) or LED (VDC), can indicate operation. Compatible liquids must be non-corrosive to the brass and copper alloy wetted parts and NBR or optional FKM diaphram. Wiring method can be normally open or closed with a range of voltages. A terminal box and CE compliance are also optional.
- Flow ranges (lpm): 1-10, 10-20, 20-50
- Port sizes (Rc, NPT, G): 3/8, 1/2, 3/4
- Temperature rating (°C): -5 to 60
- Operating pressure (MPa): 0.1 to 0.6
- Withstand voltage: 1500 VAC (one minute)
How to order
The flow switch, series IFW is used
for detection and confirmation of the
flow as a relaying device for the
general water applications in some
various equipment such as cooling
water fixture in the industrial
machinery.
Diaphragm Style Flow Switch
Series IFW5
How to Order
Specifications
앬 Low flow setting possible (1 l /min)
앬 Simple flow setting
Without removing the cover, you can set with a
screwdriver from the outside.
Operating temperature range
Water/Non-corrosive liquid
∗
0.1 to 0.6 MPa
1.2 MPa
–5 to 60°C (No freezing)
Diaphragm style
100 MΩ (500 DC by megameter)
1500 VAC for one min.
Without terminal box: 1ab
With terminal box: 1a or 1b
3/8, 1/2, 3/4
Rod
C3604B
Body
BC6
Diaphragm
NBR
Water resistance
Operating pressure
Operation
Insulation resistance
Withstand voltage
Contact
Port size
Body material in contact
with fluid material
Fluid
About the use of ∗, please confirm SMC.
IFW5
10 03
N 1 1
Diaphragm
style flow
switch
Flow range
Thread type
Port size
Light
Terminal box
10
20
50
1 to 10 l/min
10 to 20 l/min
20 to 50 l/min
Nil
N
F
Rc
G
NPT
04
03
06
3/8
3/4
1/2
0
1
2
5
6
7
8
Without terminal box (Contact: 1ab)
With terminal box (Contact: 1ab)
With terminal box (Contact: 1b)
With terminal box (24 VDC,
+
COM, Contact: 1b)
With terminal box (24 VDC,
+
COM, Contact: 1a)
With terminal box (24 VDC,
–
COM, Contact: 1b)
With terminal box (24 VDC,
–
COM, Contact: 1a)
None
With neon light (110 VAC, Red)
With neon light (110 VAC, Green)
With neon light (220 VAC, Red)
With neon light (220 VAC, Green)
With LED light (24 VDC, Red)
With LED light (24 VDC, Green)
Note) LED light is available for 5, 6, 7, 8
(with terminal box for 24 VDC).
PAT. PEND
Note)
Note)
Note)
Note)
Note)
Note)
Note) Terminal box for 24 VDC is available for 5, 6
(LED light).
0
1
2
3
4
5
6
For details about certified products
conforming to international standards,
visit us at www.smcworld.com.
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Data
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