Flat welded flange

PRODUCT  INFORMATION

Because the flat welded flange has good comprehensive performance, it is widely used in chemical industry, construction, water supply, drainage, petroleum, light and heavy industry, refrigeration, health, water heating, fire, power, aerospace, shipbuilding and other basic projects.

Product Parameters

Standard for flat welded flanges

National standardflange (National Standard flange) refers to the flange produced in accordance with the national standard of the People's Republic of China "GB/T 9112~9124-2010 steel pipe flange".

The national standard flange standard is jointly issued by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China and the Standardization Administration of China on 2011-01-10, and is a recommended standard implemented from 2011-10-01.

GB/T 9112~9124-2010 includes the following 13 standards:

Instead of the national standard GB/T9112-2000; GB/T10745-1989 standard

GB/T 9112-2010 Steel pipe flange types and parameters

GB/T 9113-2010 Integral steel pipe flange

GB/T 9114-2010 Pipe flange with neck rebar

GB/T 9115-2010 butt welded steel pipe flange

GB/T 9116-2010 Flat welded steel pipe flange with neck

GB/T 9117-2010 Welded steel pipe flange with neck socket

GB/T 9118-2010 butt welded ring collar loose sleeve steel pipe flange

GB/T 9119-2010 flat welded steel pipe flange

GB/T 9120-2010 butt welded ring plate loose sleeve steel pipe flange

GB/T 9121-2010 Flat welded ring plate loose sleeve steel pipe flange

GB/T 9122-2010 flanged ring plate loose sleeve steel pipe flange

GB/T 9123-2010 Steel pipe flange cover

GB/T 9124-2010 steel pipe flange

Technical condition

The pressure marks specified in this standard are divided into PN marks and Class marks.

The PN mark has 12 pressure levels

They were PN2.5; PN6; PN10; PN16; PN25; PN40; PN63; PN100; PN160; PN250; PN320; PN400

The Class marker has 6 stress levels

They are :Class 150; Class 300; Class 600; Class 900; Class 1500; Class 2500                                                                                                                                                                                                                                                                             PRODUCT DISPLAY

QUALITY INSPECTION

We have won many stable customers with our excellent quality and good service. The company's products are subject to third-party testing. We hope you can become one of our good customers. Please feel free to contact us.

PACKING AND SHIPPING

In order for the products to arrive safely, we choose sturdy sea-resistant packaging or according to your needs. Professional and sturdy packaging to protect plates, coils, profiles, bars, pipes, wire rods etc. to the greatest extent and avoid bumps and scratches during transportation.

CUSTOMER FEEDBACK

We can provide one-stop services, including transportation, customs clearance and insurance, so that you can handle logistics matters more easily.

                                                 Products that are being sold at low prices                                                                                    We will deal with a batch of extruded inventory at ultra-low prices from time to time. The products we deal with include steel pipes, steel plates, round bars, steel bars, steel coils, profiles, rails, wires, etc. Our purpose in dealing with inventory at low prices is to quickly monetize the goods for our daily expenses of steel production. Low-priced products are given priority to regular customers. If you are interested in low-priced steel, please contact us quickly.