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-T25-S2-C DN25 1 inch CR303 motorized valve

A20-T25-S2-C DN25 1 inch CR303 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
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.

Technical Parameters:

Valve size NPT  1"
Maximum working pressure 1.0 MPa
Circulation medium Fluid, air
Rated voltage DC9-24,DC110-230v
Wiring control methods CR303
Working current ≤500MA
Open/close time ≤5S
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

Assemble drawing




Wiring diagram

CR3 03 Wiring Diagram (3 wires control)

motorized valve wire control CR303
·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


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 size
2)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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