Flow Controllers

What is a Flow Controller?

A flow controller, which is commonly referred to as a "mass flow controller" is a device that measures and controls the flow of liquids and gases. Flow Controllers are designed to regulate a specific type of gas or liquid at a particular range of flow rate as an electric signal.

The electric signal allows the Flow Controller to automatically set the flow rate and is not affected by external conditions or change in the pressure. Mass flow controllers are used in a wide range of industrial applications when the accurate flow control rate is required.

How does a Flow Controller work?

The medium enters from the inlet and flows through the sensor or the bypass. The sensor then detects the mass flow rate as a relative change in temperature and converted to an electric signal. This signal passes through the amplification, correction and comparison control circuits and put out as a voltage reading (e.g. 5V).

The comparison control circuit compares the flow rate electric signal to flow rate setting and sends the difference between the two readings to the valve driving circuit. Finally, the flow rate valve moves to adjust the flow rate actual to the flow rate setting so the flow controller is set to the correct level.

Types of Flow Contoller

The flow rate of a mass flow controller is usually classified by two types:

Volumetric flow - this measurement is mainly affected by the temperature and pressure.
Mass flow - this works within a multitude of industrial environments, used as indispensable equipment because of the need for accurate control of flow rate is required.

They are super easy to install; most users can install them without the assistance of a professional. The majority of valves connect directly to faucets at the point where the water line connects.

Benefits of Flow Controllers

Mass Flow Controllers have many benefits to the user, including:

Cost Effective
Maintain constant pressure whilst in use
Less air consumption
Reduce the cost on water and sewer bills
Environmentally efficient
Conserve up to 85% of the water that is used

Mass Flow Controllers are also long life, durable and operate effectively.

Browse the broad range of Flow Controllers RS Components have to offer from industry leading brands.

80 產品顯示為 Flow Controllers

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ifm electronic Flow Controller, 0 → 25 L/min, Analogue Output, 19 → 30 V dc, 1/2 in Pipe RS庫存編號 488-075 製造零件編號 SM6050 个 HK$5,046.30 數量	ifm electronic	0 → 25 L/min	M12 Connector	Analogue	-	19 → 30 V dc	-	1/2 in	-10°C	+60°C
SMC Compact Mount Flow Controller, 0.2 → 10 L/min, PNP Output, 24 V dc, 1/8 in Pipe RS庫存編號 721-3957 製造零件編號 PFM710S-F01-F 个 HK$2,548.80 數量	SMC	0.2 → 10 L/min	-	PNP	Compact	24 V dc	LED	1/8 in	0°C	+50°C
Burkert Compact Mount Flow Controller, PNP Output, 12 → 36 V dc, DN 6 → 65 mm Pipe RS庫存編號 249-7462 製造零件編號 423913 个 HK$1,667.60 數量	Burkert	-	Cable Plug	PNP	Compact	12 → 36 V dc	-	DN 6 → 65 mm	-15°C	+60°C
ifm electronic DIN Rail Mount Flow Controller, Relay Output, 90 → 240 V ac RS庫存編號 411-144 製造零件編號 SN0150 个 HK$3,669.40 數量	ifm electronic	-	Combicon Connector	Relay	DIN Rail Mount	90 → 240 V ac	LED	-	-20°C	+60°C
Burkert Panel Mount Flow Controller, PWM Output, 24 V dc RS庫存編號 468-267 製造零件編號 178354 个 HK$2,127.60 數量	Burkert	-	Cable Plug	PWM	Panel Mount	24 V dc	-	-	-10°C	+60°C
Omron Compact Mount Mass Flow Controller, 0 → 1 L/min, Analogue Output, 10.8 → 26.4 V dc RS庫存編號 619-1821 製造零件編號 D6F-01A1-110 个 HK$1,153.20 數量	Omron	0 → 1 L/min	Cable	Analogue	Compact	10.8 → 26.4 V dc	-	-	-10°C	+60°C
ifm electronic DIN Rail Mount Flow Controller, Relay Output, 24 V dc RS庫存編號 411-148 製造零件編號 SR0150 个 HK$3,597.40 數量	ifm electronic	-	Combicon Connector	Relay	DIN Rail Mount	24 V dc	LED	-	-20°C	+60°C
Burkert Flow Controller, Analogue, Frequency, Relay Output, 18 → 36 V dc, DN 6 → 400 mm Pipe RS庫存編號 619-4268 製造零件編號 552779 个 HK$10,902.80 數量	Burkert	-	Cable Gland	Analogue, Frequency, Relay	-	18 → 36 V dc	-	DN 6 → 400 mm	-10°C	+60°C
ifm electronic Flow Controller, 200 → 3000 (Gas) cm³/s, 3 → 300 (Liquid) cm³/s, PNP Output, 19 → RS庫存編號 488-097 製造零件編號 SI5010 个 HK$3,007.80 數量	ifm electronic	200 → 3000 (Gas) cm³/s, 3 → 300 (Liquid) cm³/s	M12 Connector	PNP	-	19 → 36 V dc	LED	18 mm	-25°C	+80°C
Sensata Cynergy3 Flow Switches Series Horiztonal/Vertical Mount Flow Controller, 2 L/min, Relay Output, 15 mm Pipe RS庫存編號 257-076 製造零件編號 FS15A 个 HK$229.40 數量	Sensata / Cynergy3	2 L/min	Cable	Relay	Horizontal or Vertical	-	-	15 mm	-20°C	+85°C
SMC Flow Controller, 500 L/min, PNP Open Collector Output, 12 → 24 V RS庫存編號 235-3382 製造零件編號 PFMB7501-F04-E 个 HK$2,919.80 數量	SMC	500 L/min	-	PNP Open Collector	-	12 → 24 V	-	-	-	-
SMC Compact Mount Flow Controller, 0.2 → 10 L/min, PNP Output, 24 V dc, 4 mm Pipe RS庫存編號 721-3953 製造零件編號 PFM710S-C4-B 个 HK$2,637.95 數量	SMC	0.2 → 10 L/min	-	PNP	Compact	24 V dc	LED	4 mm	0°C	+50°C
SMC Flow Controller, 10 L/min, 24 V RS庫存編號 235-3369 製造零件編號 PFM710-C6-E 个 HK$2,291.80 數量	SMC	10 L/min	-	-	-	24 V	-	-	-	-
Sensirion Mass Flow Controller, 0.466 L/min, 26 V RS庫存編號 221-1594 製造零件編號 SFC5500-0.5slm 个 HK$14,004.90 數量	Sensirion	0.466 L/min	HD Sub-D 9 pin	-	-	26 V	-	-	-	-
SMC AS Series Panel Mount Flow Controller, 90 L/min, 4 mm Pipe RS庫存編號 161-3078 製造零件編號 AS1311FS1-M5-04 个 HK$144.63 數量	SMC	90 L/min	-	-	Panel Mount	-	-	4 mm	-5°C	+60°C
SMC AS Series Panel Mount Flow Controller, 230 L/min, 6 mm Pipe RS庫存編號 161-3081 製造零件編號 AS2301FS1-01-06S 个 HK$186.29 數量	SMC	230 L/min	-	-	Panel Mount	-	-	6 mm	-5°C	+60°C
Sensirion Mass Flow Controller, 186.4 L/min, 26 V RS庫存編號 221-1596 製造零件編號 SFC5500-200slm 个 HK$15,553.20 數量	Sensirion	186.4 L/min	HD Sub-D 9 pin	-	-	26 V	-	-	-	-
ifm electronic Flow Controller, 0.1 → 25 L/min, PNP Output, 19 → 30 V dc, 1/2 in Pipe RS庫存編號 488-093 製造零件編號 SM6000 个 HK$5,202.00 數量	ifm electronic	0.1 → 25 L/min	M12 Connector	PNP	-	19 → 30 V dc	LED	1/2 in	-10°C	+60°C
ifm electronic DIN Rail Mount Flow Controller, 24 V dc RS庫存編號 191-388 製造零件編號 SR2301 个 HK$8,591.30 數量	ifm electronic	-	Multipin	-	DIN Rail Mount	24 V dc	-	-	-	-
SMC PF2A Series Flow Controller, 500 L/min, PNP Output, 12 → 24 V dc, 1/2 Pipe RS庫存編號 912-1002 製造零件編號 PF2A751-F04-67N 个 HK$5,297.54 數量	SMC	500 L/min	M12 Connector	PNP	-	12 → 24 V dc	LED	1/2	0°C	+50°C