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Quick Details

  • Standard or Nonstandard: Standard
  • Structure: Shutoff
  • Pressure: Medium Pressure
  • Power: Solenoid
  • Material: aluminun alloy
  • Temperature of Media: Medium Temperature
  • Media: Gas
  • Port Size: 20mm
  • Place of Origin: Shanghai, China (Mainland)
  • Model Number: AF01B-DN20A/A
  • Brand Name: OAKO
  • Application: Home Kitchen
  • connection: Female Thread
  • sealing material: NBR rubber
  • Open mode: Manually open only
  • keyword: electronic gas valve for gas pipeline
  • Keep mode: Remaining open or closed with power
  • closing mode: Pulse drive or manual close
  • Explosion-proof type: "m" casting
  • Max Pressure: 10KP/0.1MP
  • Voltage: 9V~24V
  • Applicable Media: Natural Gas, GLP and non-corrosive gases

Packaging & Delivery

Packaging Details Weight: 0.35kg /PCS
Package Size: 388mm*258mm*250mm
40PCS into a carton,14kg/carton
Delivery Time 10 workdays after payment

DN20 electro gas valve for gas pipeline

1. Features

  • Lightweight, low-cost valve for home use.
  • Designed as gas pipe breakers for emergency use.
  • Applicable in natural gas, liquid gas, manufactured gas.
  • Ideal for low power and pressure.

2. Parameter 

Closing mode

Capacitor discharge to close or manually close

Open mode

Manually open only

Keep mode

remaining open or closed without power

Closing time

less than 1 second

Shut off on strong Vibration

Automatically close under strong vibration

Applicable Media

Natural Gas, GLP and non-corrosive gases

Sealing material

NBR rubber

Valve body


Aluminum Alloy



Female Thread


Working temperature


Storage temperature





Explosion-proofing mark


Exmb T6

Casting sealed explosion-proofing

No static electricity caused sparks, will not enhance fire conditions.


Reliable operation

Operating parts have been tested 5000 times without failure

Reliable sealing

A precision process is used to guarantee the valve is securely sealed; NBR rubber to ensure long life cycle--typically 15 years

*AF01 series products have two body material brass and aluminum alloy.

*AF01 series products can use pulse driving or manually to close.



3.Solenoid enclosures 

  • High-quality plastic solenoid enclosures
  • Dust-proof, water proof, explosion-proof
  • Degree of protection is generally

 4. Size Specification




Style No. A(mm) B(mm) C(mm) Net weight(Kg)  seals
AF01B-DN20A/A  75108890.35 Membrane


5. Wiring




6. Structure


7. Installation and operation



l Product instructions should be carefully read before installation and use


Companies of installing valves should have appropriate qualifications, and install and accept in accordance with construction specifications of gas pipeline and requirement of manufacturers.


specifications require to set manual shut-off valve before emergency shut-off valve.


A valve should be installed in the gas flow direction and the allowed location marked on the valve body.


After cleaning the pipeline, install valves in order to avoid making tube impurities damage valve seals when cleaning the pipeline.


The valve controlling wires should be connected correctly. White indicates positive while Black stands for negative. Mismatch leads to fatal consequences. Propose terminal crimping, poor contact will seriously affect the reliability of electric valve.


Before the power test, examine if the driving mode and voltage of the associated supporting products with valves(such as alarm) match, so as not to damage the solenoid valve (coil).


Open the valve before the test where pipe leakage tests pressure



 8. Honors and advantages

  1.   Reputation of 3000000 users
  2.   30 technology patents
  3.   Drafting unit of National Standard
  4.   ISO9000:2008 CE&BV
  5.   Great contribution company of Zhangjiang High-Tech Park
  6.   First choice of gas company










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