GOST 12821-80 WELD NECK STEEL FLANGE china suppliers

GOST 12821-80 WELD NECK STEEL FLANGE

This kind of flange is made of steel,and stainless steel,and carbon steel,we have all main standards in the world,you can find what you want in our factory.the measurement from dn 40 to dn 2000.

the measurments:

Our advantage

1. Using the resin sand and coated sand casting technology

2.Add the tempering procedure before entering the processing workshop,

3.Use the CNC lathe and pipeline during the whole process.

4.The disc sealing surface use plasma welding machine welding.

5. Every valve must be tested before being sent out of the factory, only qualified ones can be shipped.

Hebei Yaosheng IM & EX Trading Co.,Ltd Locates in the B zone of Xushui Industrial Park of China Hebei province,which is Chinese largest corporation of High-middle-low Pressure Valve and flange.

Our corporation is the provincial-level high and new technology enterprise, which owns the power to engage in import and export trade, and the HBYS brand is rated as "the famous brand in Hebei Province", the HBYS series of products win the title of "the famous-brand product of Hebei", and it is the first class supplier of oil and gas group.
The company products has already explored the European and American, South Korean markets, most of the products also far sold to the Russia, Pakistan, Kazakhstan, Ukraine, Vietnam, Indonesia, Malaysia, Thailand, Dubai and other countries, and the products win the trust and good reputation of the customers.

OUR  FLANGES FACTORY

*Except the 12820-80 casting flat flange dn10-dn1200 pn6/pn10/pn16/pn25, we can also supply the DIN standard flanges, JIS standard flanges, ANSI standard flange, and kinds of valves.

If you need the Non- standard products ,according to your drawings, we can produce the product, that you most satisfied.

(1)we usually use paking palletized to package our gate valve 

(2)we also use plywood cases to package our gate valve

(3)One 20' container can in bulk loaded on 20pcs plywood cases more or less. 

(4)We can pack according to specific customer requests. 

(5)Customers' logos are available on package of the gate valve.

CONTACT US 

We are glad to give you our best service and our best products

Especially, if there is any requirement please feel free to tell us!