Notice

1, the high temperature valve above 200℃, because of the installation at room temperature, and after normal use, the temperature rises, the bolt is heated expansion, clearance, so must be tightened again, called "hot tight", the operator should pay attention to this work, or easy to leak.

2, when the weather is cold, the water valve for a long time to close, the water should be removed after the valve.After the steam valve stop steam, also want to exclude the condensate.The bottom of the valve is like a plug, which can be opened to drain.

3, non-metal valves, some hard and brittle, some strength is low, when operating, the opening and closing force can not be too big, especially can not make strong.Also pay attention to avoid objects bump.

4, when the new valve is used, the packing is not too tight, in order not to leak as a degree, so as to avoid stem pressure is too big, accelerate wear, and open and close laboriously.