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A flow switch made by SMC.
[Features]
· Piping sizes range from 3/4B to 6B
· Supports equivalent to IP42, IP44
[Applications]
Used to detect and confirm liquid flow as a general-purpose water cutoff and water reduction relay in air conditioning, water supply equipment, etc.
External appearance of IF3 Series
Fluid | Copper alloy | Water and non corrosive liquid |
---|---|---|
SUS304 | Liquid that does not corrode SUS304 | |
Maximum operating pressure | 1.0 MPa | |
Water resistance | 1.75 MPa | |
Insulation Resistance | 100 MΩ or more (500 DC by insulation resistance tester) | |
Withstand Voltage | 1,500 V AC for 1 minute | |
Contact | 1ab | |
Connection port size | 3/4, 1 |
Voltage | Non-inductive load (A) | Inductive load (A) | ||||||
---|---|---|---|---|---|---|---|---|
Load resistance | Lamp load | Inductive load | Electric motor load | |||||
N.C. | N.O. | N.C. | N.O. | N.C. | N.O. | N.C. | N.O. | |
AC125V | 15 | 15 | 3 | 1.5 | 15 | 15 | 5 | 2.5 |
AC250V | 15 | 15 | 2.5 | 1.25 | 15 | 15 | 3 | 1.5 |
DC8V | 15 | 15 | 3 | 1.5 | 15 | 15 | 5 | 2.5 |
DC14V | 15 | 15 | 3 | 1.5 | 10 | 10 | 5 | 2.5 |
DC30V | 6 | 6 | 3 | 1.5 | 5 | 5 | 5 | 2.5 |
DC125V | 0.5 | 0.5 | 0.5 | 0.5 | 0.05 | 0.05 | 0.05 | 0.05 |
DC250V | 0.25 | 0.25 | 0.25 | 0.25 | 0.03 | 0.03 | 0.03 | 0.03 |
Fluid Temperature | *) Applicable ambient temperature |
---|---|
70°C or less | 70°C (70°C) or less |
80°C | 58°C (60°C) or less |
90°C | 47°C (50°C) or less |
100°C | 35°C (40°C) or less |
*) () is for IF32□
* To protect the micro switch, the ambient temperature should be low when the liquid temperature exceeds 70°C.
Open type | When used indoors where any water droplets do not splash |
---|---|
Drip-proof/rain-proof type (JIS C0920) | When used indoors or outdoors where water droplets may splash (IP42 equivalent) |
Splash-proof/water-jet-protection type (JIS C0920) | It has a sealed structure and when used outdoors and in locations temporarily exposed by a flow of water, or in adverse environmental conditions such as near the coast (IP44 equivalent) |
Structural drawing of IF3 Series
Number | Name | Material | ||
---|---|---|---|---|
IF30□ | IF31□ | IF32□ | ||
1 | Cover | SPCD | SPCD | ADC12 |
2 | Mounting plate | SPCC | SUS304 | SUS304 |
3 | Bellows | PBP or SUS304 | ||
4 | Main body | C3604B or SUS304 | ||
5 | Movable rod | C2700W or SUSXM7 | ||
6 | Paddle | SUS304 | ||
7 | O-ring | NBR or FPM |
Fluid: Water, outlet pressure: OMPa
Threaded depth: 9 mm (3/4), 11 mm (1)
Flow Switch | Installation classification | Set flow rate adjustment range L/min | ON flow rate setting flow velocity range m/s | ||||
---|---|---|---|---|---|---|---|
Minimum | Max. | ||||||
Tubing outer diameter | Paddle size | ON flow rate | OFF flow rate min | ON flow rate | OFF flow rate min | ||
IF3□0-06 | 3/4 | Length | 14 | 7 | 38 | 33 | 0.66 to 1.79 |
3/4 | Medium | 18 | 9 | 50 | 44 | 0.85 to 2.36 | |
3/4 | Short | 22 | 11 | 60 | 53 | 1.04 to 2.83 | |
IF3□1-10 | 1 | Short | 20 | 10 | 60 | 55 | 0.56 to 1.67 |
1 1/4 | Short | 34 | 17 | 100 | 90 | 0.57 to 1.67 | |
1 1/2 | Short | 52 | 26 | 160 | 140 | 0.63 to 1.95 | |
2 | Medium | 45 | 23 | 140 | 125 | 0.34 to 1.06 | |
2 1/2 | Medium | 90 | 45 | 280 | 250 | 0.41 to 1.29 | |
3 | Length | 80 | 40 | 250 | 220 | 0.26 to 0.81 | |
4 | Length | 170 | 85 | 550 | 480 | 0.33 to 1.05 | |
5 | Length | 300 | 150 | 1,000 | 870 | 0.37 to 1.24 | |
6 | Length | 460 | 230 | 1,500 | 1,300 | 0.40 to 1.32 | |
IF3□3-10 | 1 | Short | 36 | 18 | 110 | 100 | 1.00 to 3.05 |
1 1/4 | Short | 54 | 27 | 160 | 140 | 0.90 to 2.67 | |
1 1/2 | Short | 90 | 45 | 270 | 230 | 1.10 to 3.29 | |
2 | Medium | 90 | 45 | 270 | 230 | 0.68 to 2.05 | |
2 1/2 | Medium | 160 | 80 | 500 | 420 | 0.74 to 2.30 | |
3 | Length | 160 | 80 | 500 | 420 | 0.52 to 1.63 | |
4 | Length | 320 | 160 | 1,000 | 800 | 0.61 to 1.91 | |
5 | Length | 560 | 280 | 1,800 | 1,450 | 0.69 to 2.23 | |
6 | Length | 800 | 400 | 2,600 | 2,000 | 0.70 to 2.28 |
ON flow rate: Flow rate at which the micro switch operates when the flow rate increases
OFF flow rate: Flow rate at which the micro switch operates when the flow rate decreases
Graph of change in ON flow rate with pressure (typical value)
Graph of flow rate-pressure drop curve (typical value)
(Units: mm)
Open type: Dimensional drawing of 300, 301, 303
Part number | Dimensions | ||||||
---|---|---|---|---|---|---|---|
Connection port size | A | B | C | D | E | F | |
IF300 | 3/4 | 28 | 31 | 34 | 22 | 137 | 101 |
IF301 | 1 | 37 | 62 | 89 | 28 | 188 | 98 |
IF303 | 1 | 29 | 39 | 56 | 28 | 155 | 98 |
Drip-proof/rain-proof type: Dimensional drawing of 310, 311, 313
Part number | Dimensions | ||||||
---|---|---|---|---|---|---|---|
Connection port size | A | B | C | D | E | F | |
IF310 | 3/4 | 28 | 31 | 34 | 22 | 137 | 101 |
IF311 | 1 | 37 | 62 | 89 | 28 | 188 | 98 |
IF313 | 1 | 29 | 39 | 56 | 28 | 155 | 98 |
Splash-proof/water-jet-protection type: Dimensional drawing of 320, 321, 323
Part number | Dimensions | ||||||
---|---|---|---|---|---|---|---|
Connection port size | A | B | C | D | E | F | |
IF320 | 3/4 | 28 | 31 | 34 | 22 | 141.3 | 105.4 |
IF321 | 1 | 37 | 62 | 89 | 28 | 194 | 104 |
IF323 | 1 | 29 | 39 | 56 | 28 | 161 | 104 |
Graph of flow rate-velocity
* The number in parentheses indicates the inner diameter of the gas pipe
(Units: mm)
1 1/4B to 3B
Piping B | Reducing tee B |
---|---|
1 1/4 | 1 1/4 × 1 1/4 × 1 |
1 1/2 | 1 1/2 × 1 1/2 × 1 |
2 | 2 × 2 × 1 |
2 1/2 | 2 1/2 × 2 1/2 × 1 |
3 | 3 × 3 × 1 |
Reducing tee: JIS B 2301
Socket: JIS B 2302
Tube: JIS B 3452
For 4B to 6B
Applicable fitting (For 4B to 6B)
Internal wiring diagram
Symbol | Contact |
---|---|
C | COMMON |
A | NORMALLY OPEN |
B | NORMALLY CLOSED |
Part Number |
---|
IF301-10-00 |
IF303-10-00 |
IF310-06-00 |
IF311-10-00 |
Part Number | Price | Minimum Order Qty. | Volume Discount | Days to ShipSố ngày giao hàng | RoHS | Flow Rate Range (Max. Value) (L/min) | Pipe Port Type | Plumbing Thread Type | Plumbing Thread Nominal | Liquid contact parts material | Applicable Fluid | Rating Flow Range (L/min) | Details Type | Liquid contact parts seal material | CE compliant |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
3,235,000 VND | 1 Piece(s) | 32 Day(s) | - | 500~Less than 5000 | Female Thread | [Rc (R)] R | [1] 1 | [Copper Alloy] Brass•Phosphor Bronze | Water and non corrosive liquid | 20 to 1,500 | Open type | NBR | None | ||
3,235,000 VND | 1 Piece(s) | 32 Day(s) | - | 500~Less than 5000 | Female Thread | [Rc (R)] R | [1] 1 | [Copper Alloy] Brass•Phosphor Bronze | Water and non corrosive liquid | 36 to 2,600 | Open type | NBR | None | ||
3,484,000 VND | 1 Piece(s) | 32 Day(s) | - | 50~Less than 100 | Female Thread | [Rc (R)] R | [3/4] 3/4 | [Copper Alloy] Brass•Phosphor Bronze | Water and non corrosive liquid | 14 to 60 | Drip-proof/rainproof type (equivalent to IP42) | NBR | None | ||
3,484,000 VND | 1 Piece(s) | 32 Day(s) | - | 500~Less than 5000 | Female Thread | [Rc (R)] R | [1] 1 | [Copper Alloy] Brass•Phosphor Bronze | Water and non corrosive liquid | 20 to 1,500 | Drip-proof/rainproof type (equivalent to IP42) | NBR | None |
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Type | Flow Switch | Fluid Type | Water / Coolant | Sensor, Monitor Structure | Integrated shape |
---|---|---|---|---|---|
Output Method | Switch | Fluid Characteristics | Noncorrosive | Number of Output Points | 1 |
Contact configuration | 1ab |
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