
According to the connection method, the type of flange connection can be divided into: plate flat welded flange, flat welded flange with neck, butt welded flange with neck, socket welded flange, threaded flange, flange cover, butt welded with neck ring loose flange, flat welded ring loose flange, ring groove flange and flange cover, large diameter flat flange, large diameter high neck flange, figure 8 blind plate, butt welded ring loose flange, etc.



National standard | GB/T9112-2000 (GB9113·1-2000 ~ GB9123? 4-2000) |
American Standard | ANSI B16.5 Class150, 300, 600, 900, 1500 (WN, SO, BL, TH, LJ, SW) |
JIS | 5K, 10K, 16K, 20K (PL, SO, BL, WN, TH, SW) |
German standard | DIN2573, 2572, 2631, 2576, 2632, 2633, 2543, 2634, 2545 (PL, SO, WN, BL, TH) |
Ministry of Chemical Industry standard | HG5010-52 ~ HG5028-58, HGJ44-91 ~ HGJ65-91 |
Flange standard | HG20592-2009 (PN series) \HG20615-2009 (Calss series) |
Mechanical standards | JB81-59 ~ JB86-59, JB/T74-1994, JB/T79-94 ~ JB/T86-94 |
Pressure vessel standards | NB/T47020-2012 ~ NB/T47027-2012, JB1157-82 ~ JB1160-82 B16.47A/B B16.39B16.48 |
Q1, are you a manufacturer or a trading factory?
A: We have been a factory for more than 10 years and can provide a variety of customized products.
Q2, if OEM is accepted?
Answer: Welcome to custom sample. We can also do your own logo and packaging.
Q3, what should I do if I don't know which one to choose?
A: Please don't worry about this, we have professional engineers, sales staff, can give you advice.
Q4, what is your payment period?
A: We can accept TT, Western Uniono, LC, credit card and Alipay, others please contact us.
Q5, can you accept the sample?
A: Of course we are happy to provide samples, you are responsible for shipping costs.
Q6, do you have more ways to contact you?
A: Yes, you can contact us through the information on the website.
Q7, what are the advantages of your product?
1. Good quality and competitive price.
2. Strict quality control during production.
3. Professional team work, from design, development, production, assembly, packaging and transportation.
4. Experience in shipping coatings to different countries.
Q8, can we visit your factory?
Warmly welcome you to visit our factory!