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DN20 Electric power failure return valve 3-WAY, AC/DC9-24V Electric spring return valve CE certified and metal gears for brewing machine

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Features:

1. Miniature size  -- fit for small systems.

2. Engineering plastic shell -- better for seal and protection.

3. All metal Gears -- means longer service life.

4. Low power consumption -- Limit switch cut off power to motor when fully open/close.

5. Manual override and on/off Indicator is safe& convenient.

6. IP67 Protection

 

Technical Parameters:

Product size:       3/4"  (DN20)

Valve type:     3 Way

Maximum working pressure:  1.0MPa 

Circulation medium:         Cold/hot water,<50% glycol 

Rated voltage:              AC/DC9-24V

Wiring control methods:     CR2 02,CR303,CR502,CR703

Working current:            ≤500MA

Open/close time:            ≤5S

Life time:                  100000 times

Valve body material:         Brass

Actuator material:           Engineering plastics

Sealing material:            EPDM & PTFE

Actuator rotation:           90 degree

Max. torque force:          2 Nm

Cable length:              0.5m

Environment temperature:   -15 ~ 50 centigrade

Liquid temperature:         2  ~ 90 centigrade

Manual override:            Optional

Indicator:                  Optional

Protection class:            IP67

 

Wring diagram (CR2 02):


VALVE OPEN: Black wire connect to Negative and Red wire connect to positive, valve open.

VALVE CLOSE: When Red wire disconnects to power/power failure, valve close.

Remark: When VALVE fully open/close, power supply to motor will be cut off automatically by limit switch inside.


Wiring Diagram(CR3 03):


VALVE OPEN: Black wire connect to Negative and Red wire connect to

Positive, meanwhile Green wire connects to Positive, valve open.

VALVE CLOSE: Black wire connect to Negative and Red wire connect to

Positive, meanwhile Green wire disconnected, valve close.

Remark: When valve fully open/close, power supply to motor will be cut off automatically by limit switch inside.


 Wiring Diagram(CR5 02)


VALVE OPEN: Black wire connects to Negative and Red wire connect to Positive, valve open.

VALVE CLOSE: When black or Red wire disconnect to power/power failure, valve close automatically.

When valve fully open, White and Blue wire get through

When valve fully close, White and Yellow wire get through

Remark: When valve fully open/close, power supply to motor will be cut off automatically by limit switch inside.


Wiring Diagram(CR7 03)


VALVE OPEN: Black wire connect to Negative and Red wire connect to

Positive, meanwhile Green wire connects to Positive, valve open.

VALVE CLOSE: Black wire connect to Negative and Red wire connect to

Positive, meanwhile Green wire disconnected, valve close.

When valve fully open, Blue and Gray wire get through

When valve fully close, White and Yellow wire get through

Remark: When valve fully open/close, power supply to motor will be cut off automatically by limit switch inside.


Electric valve dimension:

Main components material:

No.

Name

Material

Qty

1

Actuator

PPO

1

2

Body cover

SS304

1

3

O-ring

FKM

4

4

Sealing

PTFE

4

5

Ball

SS304

1

6

Steam

Brass

1

7

O-ring

FKM

2

8

Manual override

POM

1

 

Electric Valve Dimension:

Size (mm)

D1/D2

d1

L1

L2/L3

E1

H1

H2

TF8(1/4”) Electric valve

1/4”

6

51

11

20.2

66

11

TF10(3/8”) Electric valve

3/8”

6

51

11

20.2

66

11

TF15(1/2”) Electric valve

1/2”

12

70

16

27

72

17

TF20(3/4”) Electric valve

3/4”

15

75

16

31

76.5

20.5

TF25(1”) Electric valve

1”

18

85

17

38

78

22.5

 


Main components material:

No.

Name

Material

Qty

1

Actuator

PPO

1

2

Body cover

Brass

1

3

O-ring

FKM

4

4

Sealing

PTFE

4

5

Ball

SS304

1

6

Steam

Brass

1

7

O-ring

FKM

2

 

Electric Valve Dimension:

Size (mm)

D1/D2

d1

L1

L2/L3

E1

H1

H2

TF8(1/4”) Electric valve

1/4”

6

51

11

20.2

78.5

11

TF10(3/8”) Electric valve

3/8”

6

51

11

20.2

78.5

11

TF15(1/2”) Electric valve

1/2”

12

70

16

27

84.5

17

TF20(3/4”) Electric valve

3/4”

15

75

16

31

89

20.5

TF25(1”) Electric valve

1”

18

85

17

38

90.5

22.5

 

 

We send "Flow Plan A" in default, if you want other flow plan, please leave a message when place order.




 

Application


1. HVAC systems.

2. Water treatment.

3. Chemical process.

4. IC card water meters, heat energy meters, solar instrument. 

5. The central air conditioning fan coil, fire sprinkler 

3. Water saving irrigation, automatic control system, industrial mini automatic control equipment. 

4. Agriculture Irrigation equipment 

5. Drinking water equipment, Water heater, washing machine, AHW etc. 

Strong Points:

1. Has compact size with smart shape, Perform reliably, has long life time. 

2. The transmission system adopt new technology and made of metal gears with high output torque 

3. Multi-angle assembly, convenience for different space allocation requirements. 

4. Floating seal structure, no leak, suitable for heavy dirt and long time no action occasion.

5. Can replace the solenoid valve in the conditions that the solenoid valve can not be worked. 

6. Varity of control methods, can both recognize the remote signal and feedback signal to the intelligent unit 

7. Motor & manual integration designed with the indicator. 

8. High protection class can be worked in moist conditions. 

9. Acquired CE certification and ISO certification


Product Display


Shipment:

When you place an order, please choose a shipping method and pay for the order including the shipping fee. We will send the goods within 7 days once the payment is completed. We do not guarantee delivery time on all international shipments due to difference in customs clearing time in different countries. Please note that the shipping cost does not include any import tax. Buyers are responsible for customs duties.

 

Returns:

We do our best to serve our customers the best that we can. We will refund you if you return the goods within 15 days from your receipt of the goods for any reason. However, the buyer should make sure that the goods returned are in their original conditions. The buyer will be responsible for the shipping fee to return the goods.

 

Warranty & Maintenance:

We offer 1- month free replacement. Buyers may request replacement within 1 month from your receipt of the product for defect reason. The buyer should return the product in the original conditions to us and should bear the sipping costs for return.

We also provide 12-month free maintenance. The buyer should return the product in the original conditions to us and should bear the shipping costs for return. If any part is required to be replaced the buyer should also pay for the costs of the parts to be replaced. Before returning the items, please confirm the return address and the logistics method with us. After you give the items to the logistic company, please send us the tracking number. As soon as we receive the items, we will repair or exchange them ASAP.

 

Feedback:

Your satisfaction and positive feedback is very important to us. Please leave positive feedback and 5 stars if you are satisfied with our products and services.

If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problems and provide you with the best customer services.

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Voltage:
AC/DC9-24V
Size:
3/4"(DN20)
Valve body material:
Brass
2/3 Way:
3-WAY