Tonheflow motorized valve manufacturer
Tonhe mainly produces motorized shut off ball valve from 1/4" to 2",
Some valves approved NSF61-G, CE, ROHS and other international certification.
A20-T20-S2-C DN20 SS304 black actuator DC9-24 motorized valve
Min.Order Quantity: 1 Piece/Pieces
Supply Ability: 5000 Piece/Pieces per Month
Port: ningbo,Shanghai
Payment : T/T, Paypal

Service On Line
Supply Ability: 5000 Piece/Pieces per Month
Port: ningbo,Shanghai
Payment : T/T, Paypal

Service On Line

Tonhe is a china manufacturer, we focus on mini motorized valve(1/4" - 2"), which are CE, RoHS, IP67 approved, and SS valve NSF61 approved. Our company also SGS ISO9001 approved.
Our A20 4NM electric valve, product features: all stainless steel gear, 5v big torque motor, can be used for client demand big torque when 2NM is not enough for thir system
Our A20 4NM electric valve, product features: all stainless steel gear, 5v big torque motor, can be used for client demand big torque when 2NM is not enough for thir system

Technical Parameters:
Valve size |
BSP/NPT 1/2" 3/4" 1" |
Maximum working pressure | 1.0 MPa |
Circulation medium | Fluid, air |
Rated voltage |
DC5v, DC12v, DC24v, AC110-230V |
Wiring control methods |
CR2 01,CR2 02, CR3 01, CR3 03, CR5 01, CR5 02,CR7 03 |
Working current | ≤500MA |
Open/close time |
≤5S, ≤7S |
Life time | 100000 times |
Valve Body material |
Stainless Steel |
Actuator material | Engineering Plastics |
Sealing material | EPDM & PTFE |
Actuator rotation | 90° |
Max. torque force | 2 Nm/4Nm(Optional) |
Cable Length | 0.5m,1.5m(Optional) |
Environment temperature | -15℃~50℃ |
Liquid temperature | 2℃~90℃ |
Manual override | No |
Indicator | Yes |
Protection class | IP67 |
stainless steel motorized valve function
1.Valve Body: 2 Way NPT 3/4" DN20 Stainless Steel. Orifice Size: 20mm Actuator: DC12V CR2 02 2 Wire2.Lead Free, Safe for Drink Water and Food. Suitable For Water, Oil, Gas.
3.Limit Switches Inside, Cut Off Power Automatically When F.O or F.C
4.This motorized valve is a good replacement of the solenoid valve.It can be installed at any angle.
5.Float ball design, no leak, large flow, the valve is bi-directional ball valve.
Assemble drawing

Wiring diagram
CR2 01 Wiring Diagram ( 2 wires control )

·RD connect with positive, the BK connect with negative, the valve closed, the actuator automatically power off after in place , the valve remains fully closed position .
·BK connect with positive, the RD connect with negative, the valve open, the actuator automatically power off after in place, the valve remains fully open position .
﹡Suitable Working Voltage: DC5V/DC12V/DC24V
﹡Exceeding the working voltage is forbidden
CR2 02 Wiring Diagram ( 2 wires control – Spring return in case of the power is failure)

·When SW is closed , the valve open. the actuator automatically power off after in place
·When SW is open, the valve closed, the actuator automatically power off after in place
﹡Suitable Working Voltage: AC/DC9-24V,AC/DC110V-230V,AC/DC9-35V(with manual override).
﹡Exceeding the working voltage is forbidden
CR3 01 Wiring Diagram (3 wires control )

·RD & GR connect with positive, BK connect with negative
·When OPEN( RD) & SW connected , the valve open, the actuator automatically power off after in place , valve remains fully open position
·When CLOSE(GR) & SW connected, the valve closed, the actuator automatically power off after in place, valve remains fully closed position.
﹡Suitable Working Voltage: DC5V/DC12V/DC24V/AC/DC9-35V
﹡Exceeding the working voltage is forbidden
CR3 02 Wiring Diagram (3 wires control )

·RD connect with positive, the BK & GR connect with negative
·SW CLOSED, the valve OPEN, the actuator automatically power off after in place.
·SW OPEN, the valve CLOSED, the actuator automatically power off after in place.
﹡Suitable Working Voltage: DC9-35V
﹡Exceeding the working voltage is forbidden
CR3 03 Wiring Diagram (3 wires control)

·RD& GR connect with positive, the BK connect with negative
·SW CLOSED, the valve OPEN, the actuator automatically power off after in place
·SW OPEN, the valve CLOSED, the actuator automatically power off after in place.
﹡Suitable Working Voltage: AC/DC9-35V/AC110-230V
﹡Exceeding the working voltage is forbidden
CR3 04 Wiring Diagram ( 3 wires control )

·RD & GR connected with positive, and the BK connected with negative
·When RD & SW connected, the valve closed, the actuator automatically power off after in place , remains fully closed position
·When GR & SW connected, the valve open, the actuator automatically power off after in place , remains fully open position.
﹡Suitable Working Voltage: DC5V/DC12V/AC/DC9-35V
﹡Exceeding the working voltage is forbidden
CR3 05 Wiring Diagram ( 3 wires control – Spring return in case of the power is failure)

·RD& GR connect with positive, the BK connect with negative
·SW CLOSED, the valve OPEN, the actuator automatically power off after in place
·SW OPEN, the valve CLOSED, the actuator automatically power off after in place.
When external power off, the valve closed, the actuator automatically power off after in place
﹡Suitable Working Voltage: AC110-230V
﹡Exceeding the working voltage is forbidden
CR4 01 Wiring Diagram (4 wires control )

1、RD & BK are connected to the power, WT & YW are connected to the controlled wiring.
2、When the SW is closed , the valve open
3、When the SW is open , the valve closed Suitable Working Voltage::AC/DC110V-230V
Exceeding the working voltage is forbidden
The control wiring with power DC5V , when muitiple motorized valves are working in paralled , must put the same
color control wiring together, otherwise the valve could working normally .
CR5 01 Wiring diagram ( with feedback signal)

1. RD connect with positive, the BK connect with negative,the valve closed, the actuator automatically power off after in place .
2 BK connect with positive, the RD connect with negative,the valve open, the actuator automatically power off after in place .
3 GR & WT are connect when the valve open fully, YW & WT are connect when the valve closed fully
Suitable Working Voltage::DC5V/DC12V/DC24V
Exceeding the working voltage is forbidden
CR5 02 Wiring diagram ( with feedback signal)

·When SW is closed , the valve open. the actuator automatically power off after in place
·When SW is open, the valve closed, the actuator automatically power off after in place
﹡BL & WT are connect when the valve open fully, YW & WT are connect when the valve closed fully
﹡Suitable Working Voltage: AC/DC9-24V, AC/DC9-35V, AC/DC110V-230V
﹡Exceeding the working voltage is forbidden
CR7 01 Wiring Diagram ( 7 wires control with feedback signal )

---RD connect with positive
---GR connect with SW and negative wiring
--- BK connect with negative wiring
---SW open. the valve open, and keeping fully open.
---SW closed. the valve closed, and keeping fully closed.
----BL & GY connect with the valve's fully open signal wiring
--- YW & WT connect with the valve's fully closed signal wiring.
﹡Suitable Working Voltage: DC5V,DC12V,DC24V,AC/DC9-35V(wide input range voltage,)
﹡Exceeding the working voltage is forbidden
※ Feedback with load ability:
① The Max. off voltage: DC36V AC220V
② The Max. off current: ≦0.4A
CR7 02 Wiring Diagram ( 7 wires control with feedback signal )

1.RD & GR connect with positive, the BK connect with negative
2. When RD & SW connected, the valve open, the actuator automatically power off after the valve fully open.
3. When GR & SW connected, the valve closed, the actuator automatically power off after the valve fully closed.
4. BL & GY connect with the valve's fully open signal wiring
5. YW & WT connect with the valve's fully closed signal wiring
﹡Suitable Working Voltage: DC5V/DC12V/DC24V
﹡Exceeding the working voltage is forbidden
※ Feedback with load ability:
① The Max. off voltage: DC36V AC220V
② The Max. off current: ≦0.4A
CR7 04 Wiring Diagram ( 7 wires control with feedback signal )

·RD & BK are connected to the power, GR & GY are connected to the controlled wiring.
·When the SW is closed , the valve open
·When the SW is open , the valve closed
·BL & GY connect with the valve's fully open signal wiring
·YW & WT connect with the valve's fully closed signal wiring.
Suitable Working Voltage::AC/DC110V-230V
Exceeding the working voltage is forbidden
Valve Actuator gear
our A20 actuator gear is brass(biggest gear) + stainless steel
Our electronic components are basically imported, all choose the better quality of the accessories, such as switches, we use better quality Taiwan switch.
When you inquiry the valve, pls confirm the detail technical data :
1)valve size2)material, brass or stainless steel or PVC?
3)working voltage
4)wiring diagram
5)thread BSP or NPT?
6)quantity?
7)cable length, 0.5m is OK for you?
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