Hangzhou Longer Industry Co., Ltd.

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AUTO Switch

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100 Piece/Pieces
Brand Name:
Model Number:
Place of Origin:
Zhejiang China (Mainland)
Supply Ability:
5000 Piece/Pieces per Month
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Supplier Profile

Enterprise Certifiation

Hangzhou Longer Industry Co., Ltd.
China (Mainland) China (Mainland)
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Total Stuff:301 - 500 People
Manufacturer, Trading Company, Distributor/Wholesaler

Products details

Item specifics

  • Brand Name: Longer
  • Model Number: E-5
  • Place of Origin: Zhejiang China (Mainland)
  • Supply Ability: 5000 Piece/Pieces per Month
  • Payment Terms: L/C,T/T


CNG changeover switch
Auto switch
Indicator switch
Gas pressure switch
Fuel switch.

CNG changeover switch

AG switch:

Possessing more stable performance

Competitive price and high quality


Long life; Easy installation; Senstive action; Accuate display;

Stable quality; Accurate reading;

Oil/gas option and indicate all types of fuels

CNG/LPG, All EFI Vehivles, digital auto switch,



Used for changing the fuel, worked the same as the one in the cockpit.

Every time engine starts on gasoline, switching procedure on Lpg depends on reducer temperature.

-starting cold engine(first) switching is done after reducer warms up till fixed temperature and fixed engine revolution is crossed.

-starting hot engine reducer temperature is higher than configurationally fixed switching after fixed time since engine starting and after fixed engine revolution is exceeded.

If there's no revolution threshold, (configuration 0 value) automatically switches after fixed time (Lap Config./ Switch)

Pressing the switch at the running engine, causes another switching gas/gasoline, gasoline/gas, it's not necessary to exceed revolution threshold.

When the unit works, it's signalized by LED on the switch:

-          Gasonline- all LED turned off

-          Automaton, reducer temperature too low- all LED pulsing

-          Automaton ready to switch, still working on gasonline, waiting for revolutions- all LED pulses fast

-          Work on gas, LED turns on permanently, it qty depends on gas level inside the tank.

-          Work on gas, reserve: last LED pulses really slow.

In case of failure turning (for example when pressure is low) the buzzer turns on.

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