Tianjin nbest valve Co.,ltd: Tianjin, China; Main products: butterfly valve, global valve, check valve, ball valve, electric valve, pneumatic valve, solenoid valve, pneumatic fitting, control valve, PVC Valve

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Home > Products > Motorized Valve > Miniature Electric Shut Off Valve Brass Miniature Electric Shut Off Valve

Miniature Electric Shut Off Valve Brass Miniature Electric Shut Off Valve

FOB Price

USD $5 - $100 / Piece

1 Piece(Min.Order)

Port Tianjin
Payment TermsT/T L/C D/P D/A PayPal Other Cash
Delivery Detail7 days

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Product Details

Brand Name	NBEST	Place of Origin	China
Model Number	A20-N8-B2-C	Material	Casting
Application	General	Structure	Diaphragm
Standard or Nonstandard	Standard	Pressure	Low Pressure
Power	Solenoid	Port Size	1/4'' 3/8'' 1/2'' 3/4'' 1'' 1 1/2''
Media	Water	Temperature of Media	Low Temperature

Product Description

One.Product data:

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

Technical Parameters:

Product size	NPT/BSP 1/4", NPT/BSP 3/8'', NPT/BSP 1/2'', NPT/BSP 3/4", NPT/BSP 1", NPT/BSP 1-1/4"（Optional）
Max working pressure	1.0MPa
Circulation medium	Fluid, Air
Rated voltage	DC5V, DC12V, DC24V, AC/DC9-35V, AC110V-230V (Optional)
Wiring control methods	CR201, CR202, CR301, CR302, CR303, CR304, CR501, CR502, CR701, CR702 (Optional)
Working current	≤500MA
Open/close time	≤5 Sec
Life time	70000 times
Valve Body material	Brass, Nickel plated Brass, 304 Stainless steel （Optional）
Actuator material	Engineering Plastics
Sealing material	EPDM & PTFE
Actuator rotation	90°
Max. torque force	2 N.M
Cable Length	0.5m,1.5m (Optional)
Environment temperature	-15℃～50℃
Liquid temperature	2℃～90℃
Manual override	No
Indicator	Yes
Protection class	IP67

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

Contact Us

Tianjin nbest valve Co.,ltd: Contact nameJenny
Chat Now; Phone86-022-85194738-8

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Product Categories

Butterfly Valve	Solenoid Valve	Motorized Valve	Pneumatic Valve
Ball Valve	Check Vavle	Gate Valve	Globel Valve
Hydraulic Valve	Pneumatic Ball Valve	Y Type Filter	Pressure Reducing Valve
Valve Parts	Safety Valve	Fruit	pipe fitting

Miniature Electric Shut Off Valve Brass Miniature Electric Shut Off Valve

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