How much thrust is needed to open the lid of the pot for the cannon popcorn machine

Cannon popcorn machine to open the lid of the pot needs to be divided into the following thrust.

1, the normal old-fashioned popcorn is 0.62-0.65 air pressure on it, the first pot of 6.5 so that it is better, the second pot or more, basically it is in the 6.2 air pressure is very good, according to the different machines to fine-tune. Popcorn generally need 0.7 to 0.8 air pressure to step on. Chinese old-fashioned popcorn machine is an ancient popcorn machine, popping popcorn that "bang" a loud bang, is many 70, 80 Chinese people after childhood fun memories. Popcorn machine pressure how much can be popped soybeans, sweet potato chips, corn, potato chips required pressure of 0.6-0.7, mung beans, red beans and most beans required pressure of 0.7, rice, small yellow rice, sorghum rice required pressure of 0.8.