Cng Lpg Ecu Supplier introduces how to adjust the gas pressure regulator:

1. Set the pressure, follow the principle from high to low, and proceed one by one step by step, namely: cut off the pressure-relieve the pressure-work pressure.

2. After the pressure is set, check its closing pressure to verify its performance and whether it reaches the required value.

3. The outlet valve can be opened only after the pressure setting meets the requirements, and the outlet valve should not be opened before that to prevent accidents.

4. Precise instruments should be protected to prevent large pressure fluctuations from damaging the instruments.

5. During the debugging of the pressure regulating equipment, if uninterrupted air supply is required. The pressure should be manually controlled through the bypass first, and the pressure regulating valve should be controlled by one hand. The pressure gauge should be held in one hand, and the pressure change should be observed at all times to maintain the outlet pressure at the required level. Within the pressure range, after the pressure setting of the pressure regulator is completed, slowly open the pressure regulator outlet valve, and then close the bypass valves after the pressure regulator normally supplies air.

6. If the pressure regulator adopts 2+0 one open and one closed type, both circuits need to be debugged. Open one and close one (standby). The air pressure between the inlet and outlet valves should be vented in the standby circuit to avoid the pressure regulator film and The spring is compressed, causing fatigue.

7. If the pressure regulator port uses two channels to automatically switch the air supply, the pressure parameters need to be set according to the main and secondary channels, and then the two inlet and outlet valves are kept fully open. Automatic switching has higher requirements for the performance of the regulator, and it is generally stable. Pressure accuracy ≤2.5%. It is advisable to close the accuracy ≤10.

8. Series monitoring and voltage regulator debugging The series monitoring of the voltage regulator mostly adopts the form of passive monitoring, that is, the monitoring voltage regulator is in a fully open state.

(1) First check whether the pressure signals of the two voltage regulators (or pilots) are correct. If the pressure signal tubes are all connected after the working voltage regulator, it is a correct connection.

(2) Press the pressure regulating springs of the two regulators to the tightest rim of the pressure regulating spring of the front regulator (monitoring regulator) to make the pressure of the subsequent stage to the cut-off pressure, and debug the cut-off valve.

(3) Debug the relief valve.

(4) Loosen the pressure regulating spring of the front pressure regulator (monitoring pressure regulator) again to bring the intermediate pressure to about +10% of the set value of the outlet pressure.

(5) After loosening the pressure regulating spring of the pressure regulator (working pressure regulator). Bring the back pressure to the set value of outlet pressure (at this time, the intermediate pressure will rise to equal to the inlet pressure).

9. After the adjustment of the regulator is completed, use foaming agent to check the connections and the loose places during the adjustment process for gas leaks.

Through the above introduction, Cng Regulator Manufacturers hopes that you can simply refer to the content of this article in future use.