Automatic exhaust pneumatic valve is not automatic exhaust how to return a responsibility?

the analysis of the causes of auto exhaust pneumatic valve automatic exhaust:
( Most air vent is blocked, or poor quality advice to choose xian ding xing auto exhaust pneumatic valve.
　　( Floating device is stuck or jammed.
　　( Or automatic exhaust clogged, if every exhaust show that foreign body inside too much or too big.
auto exhaust pneumatic valve automatic exhaust solutions:
( As far as possible to facilitate repair or cleaning exhaust pneumatic valve, set up between the main heating and automatic exhaust pneumatic valve pneumatic valve opening and closing;
　　( Cleaning or adjust the automatic vent pneumatic valve.
　　( Or automatic exhaust under the tear open come down to clean.
hope the above problems and solutions to help customers to use, xian ding xing automatic control engineering co. , LTD is a professional automatic exhaust pneumatic valve manufacturers, our company with systematic pre-sale, sale, after-sales service to the masses of customers.