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FL Series flow switch is used to sense the flow rate of liquid in the pipe line, when the flow rate reaches the setting point, it turns off (or turn on) to protect the torrential flow.
The setting point could be adjusted according to different request of flow rate.
Ambient temperature range: 0°C ~ 60°C
Liquid temperature, range: 5°C ~ 100°C
Max working pressure: 1.0Mpa
Electrical Parameter
| Rated voltage(V) | Horsepower | 125VAC | 250VAC | |
| Rated current(A) | ||||
| Non-inductive current | 1 | 15 | 15 | |
| Inductive Current | Rated current | 0.75 | 3.5 | 2.5 |
| Locked Rotor current | 0.45 | 21 | 15 | |
| Type | Pipe Size | Flow adjustment range(L/min) | |||
| Flow decrease | Flow increase | Flow decrease | Flow increase | ||
| HFS-25 | 1'' | 18 | 21 | 45 | 50 |
| 1-1/2'' | 30 | 35 | 100 | 105 | |
| 2'' | 50 | 58 | 150 | 155 | |
| 2-1/2'' | 75 | 86 | 187 | 200 | |
| 3'' | 100 | 115 | 225 | 260 | |
Technical Drawing






Our Services
1.We can make the products as different’s special require.
2.Flexible lead time
3.We can offer products at different prices
4.We have our own workflow (AISO process)
5.Any way, any time, your problems will be timely reply
FAQ
"Do you have a catalogue? Can you send me the catalogue to have a check of all your products?"
Yes , We have product catalogue.Please contact us on line or send an Email to sending the catalogue.
"Whether can produce as my require?"
"Yes,we can make the products as different’s special require."
"How long the product warranty?"
"Normally, the warranty for the product is 18 months , warmly reception with the calling, visiting and letters, and give the best answers and solution in time from the customers for the technical problem."
"What kind of payment do you accept ? Can I pay RMB ?"
"We accept T/T(Wire transfer),Western Union and Paypal. And you can pay money In RMB. No problem."
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It's our great honor to do services for you! "
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