RF Class 300 ASTM A105 Weld Neck Flange

RF Class 300 ASTM A105 Weld Neck Flange

We specialized in supplying the flange for more than 10 years.   Had succeed to cooperated with Shell,Lukoil and other famous oil&gas companies all over the world.If you have any inquiry,please feel free to contact us,we will give you technical support and quote to you in 2 hours.
RF Class 300 ASTM A105 Weld Neck Flange is one of our main products, the following are the details for you reference:

    Stainless steel  ASTM A182, F304/304L, F316/316L
    Alloy steel ASTM A182 A182 F12, F11, F22, F5, F9, and F91etc.
Standard: ANSI Class 150 Flanges-Class 2500 Flanges
     DIN 6Bar 10Bar 16Bar 25Bar 40Bar
     JIS 5K Flanges-20K Flanges
     UNI 6Bar 10Bar 16Bar 25Bar 40Bar
     EN 6Bar 10Bar 16Bar 25Bar 40Bar
TYPE 1.Welding neck Flange 2.Slip on 3.Blind flange 4.Long welding neck flange 5.Lap joint flange .6.Socket welding 7.Threaded flange. 8. Flat flange
Surface: Anti-rust oil, clear lacquer, Black lacquer, Yellow lacquer, hot-dipped Galvanized, electrical galvanized
Connection: Welding, Threaded
Technical:  Forged, Casting
Size:     DN10-DN3600
Package: 1.Standard export packaging (Plywood Case of Outside, Plastic Cloth of Inside). 
2. as Customers' Requirements                         
Certificate: TUV, ISO9001:2008; PED97/23/EC, ISO14001:2004, OHSAS18001:2007
Applications: Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry, and general pipes connecting projects etc

Flange Showcase

Flange Production Facility

Flange Inspection Equipment

Flange Packing and Transportation

Our Advantages

1.       Professional Sales Team With More Than 10 Years Experience In Steel Industry.

2.       Technical Engineer From Oil Company and Third Party Inspection Company.

3.       One-Stop Service for steel industry, Especially for pipeline project application.

4.       Rich Cooperation Experience With SHELL,Lukoil,Samsung Etc.

5.       Competitive price,Fast Delivery Time,Excellent Service.

Quality Control

Quality control is the basic but most important point for qualification of the steel pipes/tubes&fittings. We carry out in-production supervision and after-production inspection for our products. We ensure that the products are produced,tested,and inspected strictly according to standard specification under supervision of our QA engineer during production. After production inspection is carried out by worldwide famous third party inspection company like BV,SGS,Intertek Etc.