One.Product data:

A20-N8-B3-C 10 bar DC9V-35V DN8 1/4'' brass Miniature Electric shut off valve

Technical Parameters:

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 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/DC9-35V

﹡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

﹡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: DC9V-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，DC24V，AC/DC9-35V

﹡Exceeding the working voltage is forbidden

·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: AC110-230V

﹡Exceeding the working voltage is forbidden

CR5 01 Wiring diagram ( with feedback signal)

1RD 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.BL & WT are connect when the valve open fully, YW & WT are connect when the valve closed fully

Suitable Working Voltage:：DC12V,DC24V

Exceeding the working voltage is forbidden

CR502 Wiring Diagram ( 5 wires control – Spring return)

·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 cl  osed fully

﹡Suitable Working Voltage: AC/DC9-24V，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: DC9V-35V

﹡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，AC/DC9-35V

﹡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 03 Wiring Diagram ( 7 wires control with feedback signal )

·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.

·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: DC12V，DC24V

﹡Exceeding the working voltage is forbidden

Two related product:

Three.Company information:

Three.Company profile 

Tianjin Nbestvalve Co., Ltd. was established in 2002, headquartered in No.21,No.1 Building, Ronghui Business Zone, Zhongguancun technology Park, Binhai New District, Tianjin, China. With the rapid development of the most dynamic Chinese Bohai Economic Rim, Our company, production, sales and manufacturing test capabilities, with independent import and export rights, is a science, industry and trade as one of the group enterprise.

Four.Aplication Area

a. Domestic sewage treatment.

b. industrial wastewater treatment.

c. industrial irrigation treatment.

Five.Packing and Freight

Six.FAQ

Q: Are you trading company or manufacture?

A: We are factory located in Tianjin, China.

Q: What's your product range?

A: We specialize in product butterfly valves,solenoid valve, gate valves, check valves, Y type strainer, water controlling valves,motorized valves,pneumatic valves,hydraulic valves and other pipe accessories.

Q: What's execution standard?

A: ISO/ANSI/DIN/JIS/EN/GOST standard.

Q: What's your strong product?

A: Concentric butterfly valves, grooved butterfly valves, dual plate check valves.

Q: Do you provide sample? Is it free or extra?

A: Yes, we could offer the sample for free charge but do not pay the cost of the freight.

Q: How long is your delivery time?

A: Generally it is 7 days if the good are in stock, or it is 20 days if the goods are not in stock, it is according to the quantity.

Q: What is your terms of payments?

A: Payment ≤10000 USD, 100% in advance. Payment ≥10000USD, 30% T/T or other ways in advance, balance before shipment.

Seven.Contact us