Avoid bumping and the valve is in full close in order to avoid damage of disc and driving part. • Transmission device and part should be hung up when the valve is transported in order to prevent ...

放散阀，放风阀应对传动装置及传动部位作防锈、防潮处理。 l Avoid bumping valve gate, safety film, safety valve board and transmission device of discharging air valve when transport the valve. l Anticorrosive and dampproof ...