This strain fall is crucial since it makes it possible for the refrigerant to soak up heat through the atmosphere, a basic principle in refrigeration and air-con. If the valve is closed, the opening is perpendicular into the ends on the valve, and flow is blocked. You can find 4 https://johnathankcvma.blog2freedom.com/27281211/a-secret-weapon-for-types-of-air-valves