Tsai fan

       

3/4 inch Electric proportional Valve 0-10V analog control signal, stainless 304 DN20 Electric modulation valve reated power supply DC9V-24V Flow Linear regulating valve work with HAVC system

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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:     2 Way

Locked-rotor delay time:  2-4 Seconds

Maximum working pressure:  1.0MPa 

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

Rated voltage:              DC9-24V

Control signal:    0-5V, 0-10V or 4-20mA

Wiring diagram: 5 wires control with signal feedback

Working current:            ≤500MA

Open/close time:            ≤7S

Life time:                  70000 times(tesing pressure: 0.4Mpa, medium: water)

Valve body material:         Stainless(SS304)

Actuator material:           PPO

Sealing material:            FKM & PTFE

Actuator rotation:           90 degree

Max. torque force:          4 Nm

Cable length:              0.5m

Environment temperature:   -15 ~ 60 centigrade

Liquid temperature:         2 ~ 90 centigrade

Manual override:            No

Indicator:                  Optional

Protection class:            IP67

 

Wring diagram:


 1, RD connect DC9-24V positive

2, BK connect DC9 ~ 24V (4-20mA-/0-5V-/0-10V) negative

3 GR connect position input /control current +/ control voltage +(4-20mA, 0-5V, 0-10V)

4, YW connect LED light (between 9-24V), when there is error, the light will be ON.

5, WT connect position feedback, OC output PWM signal

◎ PWM frequency0-100Hz, duty 5-95% 


Electric valve dimension:

Main components material:

No.

Name

Material

Qty

1

Actuator

PPO

1

2

Body cover

Brass

1

3

O-ring

EPDM

2

4

Sealing

PTFE

2

5

Ball

Brass

1

6

Steam

Brass

2

7

O-ring

NBR

2

 

Electric Valve Dimension:

Size (mm)

D1/D2

d

L1

L2

E1

H1

H2

TF8(1/4”) Electric valve

1/4”

8

49

12

20.5

80.5

12

TF10(3/8”) Electric valve

3/8”

10

49

12

20.5

80.5

12

TF15(1/2”) Electric valve

1/2”

15

56

13

25

84

16

TF20(3/4”) Electric valve

3/4”

20

66

15

31

87

19

TF25(1”) Electric valve

1”

24

71

15

38

89

22

TF32(1 1/4”) Electric valve

1 1/4”

29

79

20

46

91

25

 

 

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 Photos



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.

Size:
3/4"(DN20)
Valve material:
Stainles(SS304)
Valve type:
Proportional type
      
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