1) The use of other standard or non-standard flanges requires a separate agreement, specifying standards or providing drawings and relevant data, which can be customized by the manufacturer.
2) The number of flange bolts, bolt hole diameter and bolt hole center circle diameter shall comply with GB9119.
3) When ordering the electric ball valve, the user must specify the working pressure, applicable medium, temperature, connection method and other relevant factors, as well as the state of the working environment: whether there is strong light, heat source, ozone, spark, and often encounter sharp tools. The service of Tibet Valve Expansion Joint is supreme, and the pursuit of excellence will never stop. We will roll up our sleeves and work hard to develop better products for our customers and friends.