- Refrigeration filling access valve: each access valve has a core and a cap with valve core remover.
- Air conditioner replacement parts: the core is a poppet valve assisted by a spring that is threaded into the steam.
- Portable air conditioners: the access valves are widely used in the air conditioner refrigerant system.
- Portable ac air conditioner: the whole part is made of brass, which is easy to weld, compact, sturdy, , ultra longevous.
- Spare parts: can be used as a bleeding and test port on the fuel rail of some fuel injected engines.