Aug. 10, 2017
Our company is an U tube heat exchanger manufacturer in China, there are many FAQs people may ask. Here I will share you with two.
1.Why some container plate need to be preheated before welding?
Answer:The preheating of the container sheet before welding is determined by the characteristics of the material used in the container, in order to reduce welding defects such as cracks and residual stresses.
2.All the design company can design heat exchanger ?
Answer:Pressure vessel design company must get the State Quality Supervision Bureau issued by the pressure vessel design qualification permit, the audit staff have to obtain the appropriate pressure vessel audit qualification certificate.
If you want to know more pressure vessels such as U tube heat exchanger, please contact us at your any time.