2-wire Ball Vlave

2-wire Ball Vlave

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.Basic specs

Service Fluid

Natural Gas

Flow-rate Range

0~6m³/h

Pressure Loss

≤20Pa(6 m³/h)

Operating Pressure Range

0~50kPa

Max. Operating Pressure

75kPa

Operating temperature

-25℃~55℃

Storage temperature

-25℃~60℃

Relative humidity

≤95%RH

Durability

≤15 Years (No Fault or Damage after 5000-times consecutive working cycle)

Leakage

Under 5kPa, leakage≤0.1L/h

Operating Voltage

DC2.8V ~4.2V

Average Current

≤35mA (3.6v)

Valve Opening time

8±0.5s(3.6v)

Valve Closure time

Peak Current (Motor Start-up)

≤105mA (3.6V)

Compatible with

G1.6/G2.5/G4 Gas Meter

Structure

Body material is POM, Seal material is NBR

 

2. Instruction
1、The ball valve is driven by the motor drive mechanism, and then driving the ball to achieve opening / closing valve.
2、This valve has 2 control wires, of which blue / white is the motor wire
3、Valve opening process: when white wire connects “-” pole and blue wire connects “+” pole, detection of the locked rotor current means the opening valve is completed.
4、valve closure process: when blue wire connects “-” pole and white wire connects “+” pole, detection of the locked rotor current means the closure is completed.
5、If wire is extended by connectors, opening/closure procedures follows the same manner.
6、The voltage of valve both ends shall not be less than 2.5V
7、The driving current of valve control circuit provided cannot be less than the motor peak current.
8、If the parameters and structure of this internal valve changes, our company will promptly inform your company.

 

a.Key technologies:

- Dividing the ball valve into a valve unit and a drive unit for controlling the opening and closing of the valve unit make it convenient to manufacture;

- an accommodating groove is installed on one side of the inner wall of the valve body,One side of the outer wall of the valve body is provided with a groove on the accommodating grooves which an accommodation space that extend inward corresponds to, and one end of the valve rod is disposed in the groove through the accommodating grooves, and the other end is connected with the driving unit; stop collar and the elastic elements are matched and installed at the inlet or the outlet of the valve body with more accurate ball body position.   moderate opening and closing force, which is safe and reliable;

- The elastic mechanism is installed in the valve body to limit the contact area and compression of the ball and sealing element. Even if it is subjected to dimensional changes caused by different temperatures, it will not leak with good sealing effect, small friction and low power consumption.

b.Main parameters:

Working medium: natural gas, liquefied petroleum gas;

Flow range: 0~6m3/h

Operating voltage: 2.8 to 5.5V;

Operating current ≦80mA

Opening time: ≤5S; Closing time: ≤5S

Working life: 10,000 times;

Service life: ≤12 years

c.Advanced Technology (characteristics):

- Overcoming other products’ problem that the friction coefficient of rubber sealing elements is large;

- The principle of spring compression is adopted, which has an anti-lock function after lubricating oil failure;

- Critical components will not leak due to dimensional changes at high and low temperatures,ensuring product reliability;

- Use bidirectional switch signal control to make the switch in place without damage when it faces impact.

Patent No.: ZL201320751574.3

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