Welcome to Hebei Haihao High Pressure Flange & Pipe Fitting Group Co,.LTDContact Us
A flange is a rib or rim used for strength, guiding or attachment to another object such as a pipe,steam cylinder,pressure vessel,etc.Pipes,tubes or vessels can be easily assembled or disassembled by using it. Besides,flanges are fit to many other compenonts,such as valves,wheels,bellows.
In different projects and designs,flanges are used in different types,commonly,including:
Welding neck flanges (WN FLANGES)
Slip-on flanges (SO FLANGES)
Plate flanges (PL FLANGES)
Threaded flanges (THR FLANGES)
Lap joint flanges (LJ FLANGES)
Tongue and groove flanges (T FLANGES/ G FLANGES)
Blind flanges (BL FLANGES)
Socket weld flanges (SW FLANGES)
Male-and-female flanges (M FLANGES/ F FLANGES)
Ring joint flanges (RJ FLANGES)
Lovekin flanges (LK FLANGES)
HEBEI HAIHAO GROUP supply flanges used extensively with pipe fittings in all kinds of industrial applications,including:natural gas,chemical,petroleum,ship building,marine,paper making,metallurgy,electric,power,boiler,etc.
Depending on different applications, we have the following materials for the flanges:
Carbon steel: ASTM A105,ASTM A105N,GB 20,C22.8.
Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911
Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N
ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H
Low temperature steel: ASTM/ASME A402 WPL 3-WPL 6
High performance steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70
Our flanges are usually according to different standard for different customers and projects:
America standard: ANSI B16.5,ANSI B16.47,ETC.
German standard: DIN 2573/DIN 2576/DIN 2631/DIN 2632/DIN 2633/DIN 2634/ DIN2635/DIN 2527
Japen standard: JIS B2220
Europe standard: BS4504/BS 10/UNI 2276 UNI 2277/UNI 2278/ UNI 6089/UNI 6090/EN 1092.
We also manufacture other un-standard flanges according to customers’requirements, and some forgings. These products have passed the ISO9000, ISO14001, GB/T28001, and Q/SY1002.1 certification. Due to our high quality and low prices, our products are well received in the global market, in countries such as the USA, Italy, Belgium, Chile, Bolivia, United Arab Emirates, Brazil, South Korea, India and more.
For more information, please feel free to contact us!
- A234 WPB steel pipe fittings
- Steel Flanges
- Long Radius Elbow（LR Elbow）
- Concentric reducer (Con reducer)
- Straight Tee
haihao has been a professional supplier of pipes,fittings and flanges, serving the world industry piping since 1982.
as a leading manufacturer,stockist and supplier, our knowledgeable and experienced technical team can understand well
what you need . help you find the best solution for your regular and specific requirement.
“Serving the world flowing! Aiming to be the best in the field! Improving level of “Made in China”!”