2-wire Screw Valve

2-wire Screw Valve

We produce various civil,industrial and commercial Motor Valves for Smart Gas Meter (G1.6~G40) suitable for various manufacturers with good sealing, durability and explosion-proof performance, resistance to soaking, salt spray resistance, low power consumption, short switch time,etc. Our products have passed the European DVGW explosion-proof certification, A-tex, IECEx explosion-proof certification and national valve quality supervision and inspection center certification, won the praise of the domestic market.

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E-mail :viola.wu@sanyangelectronics.com

Product Details

1、Screw Down Valve (FJ/FR)Series

a.Key technologies

The screw is made of modified material, and the transmission structure will not be deformed in inferior gas;

Short switch time within 1 second;

The drive mechanism is compact with stable performance;

Guiding element is used to achieve the rotation of the screw motor valve, which is not only stable and reliable, but also easy to operate.

b.Main parameters

Working medium: natural gas, liquefied petroleum gas;

Flow range: 0~4m3/h

Operating voltage: 2.5 to 5.5V;

Operating current ≦80mA

Opening time: ≤1S; Closing time: ≤1S

Working life: 10,000 times;

Service life: ≤12 years

c.Advanced Technology(characteristics)

The seal structure is changed from integral seal to segmented seal to avoid the excessive deformation of the rubber and breakage;

The internal air pressure of the segmented sealing mechanism can be automatically released, which improves reliability;

The overall structure is compact, suitable for installation in a variety of ways;

The aluminum valve body can be placed in the pipeline to make an external motor valve;

Low power consumption greatly improve usage time of the control system;

Short switch time, small current and good explosion-proof performance.

Patent No.: ZL201720512310.0

 

2.BasicSpecs

Service Fluid

Natural Gas/LPG/air and other noncorrosive gas

Flow-rate Range

0.016m³/h~4m³/h

Operating Pressure Range

0kPa~15kPa

Relative Humidity

≤93%RH

Operating Temperature

-20℃~+50℃

Storage Temperature

-25℃~+60℃

Pressure Loss

≤50Pa

Leakage

Internal Leakage

 In the pressure range of 1.8kPa~15kPa,Leakage<0.04m³/h 

External Leakage

Free of leakage under 15kPa pressure while the valve stays open

Leakage at wire connection

Free of leakage under 75kPa pressure

Durability

Free of malfunction after more than 10000 times of operation cycle

Cyclic Corrosion Resistance

Degree of rust meets the standard of Ri 1 in GB/T 30789.3—2014 sheet 1, under 500hr cyclic corrosion test

Immersion Resistance

Free of malfunction after 96h immersion in 98% pentane solution under(23±2)℃

Operating Voltage

DC2.5~5.5V

Operating Current

≤80mA(DC5.5V)

Peak Current

≤300mA(DC5.5V)

Valve opening/closure time

≤1±0.1S(DC2.5V)

Compatible with

CHINT Aluminum Case Diaphragm Gas Meter

Explosion Proof

Explosion proof certificate under the standards of GB 3836.1、GB3836.4、GB 3836.8

 

3. Instruction
1.For valve opening, blue wire connects to “-”pole, white connects to “+”
2. Current given by the valve control panel should be greater than the peak current of motor.
3. Strictly follow the specs given by this instruction for test or operation in order to prevent the valve from malfunction.
4. The voltage of valve at both ends shall not exceed the range of 2.5V and 5.5V in order to prevent the valve from malfunction.
5.If the parameters and structure of this internal valve changes, our company will promptly inform your company.

 

A.Key technologies:

— The screw is made of modified material, and the transmission structure will not be deformed in inferior gas;

— Short switch time within 1 second;

— The drive mechanism is compact with stable performance;

— Guiding element is used to achieve the rotation of the screw motor valve, which is not only stable and reliable, but also easy to operate.

B.Main parameters:

Working medium: natural gas, liquefied petroleum gas;

Flow range: 0~4m3/h

Operating voltage: 2.5 to 5.5V;

Operating current ≦80mA

Opening time: ≤1S; Closing time: ≤1S

Working life: 10,000 times;

Service life: ≤12 years

C.Advanced Technology(characteristics):

— The seal structure is changed from integral seal to segmented seal to avoid the excessive deformation of the rubber and breakage;

- The internal air pressure of the segmented sealing mechanism can be automatically released, which improves reliability;

- The overall structure is compact, suitable for installation in a variety of ways;

- The aluminum valve body can be placed in the pipeline to make an external motor valve;

- Low power consumption greatly improve usage time of the control system;

- Short switch time, small current and good explosion-proof performance.

Patent No.: ZL201720512310.0

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