• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first


  • Introduction:Hebei Haihao Group is a leader manufacturer in flange and pipe fittings field.
  • We can supply standard flanges and nipoflange,flanged tee,flanged elbow etc.
  • Email:sales@haihaopipe.com

Nipoflange – Nipoflange DIN/EN/ASTM/ASME,extensive range of Nipoflange

A Nipoflange is used in the pipe industry like a weldolet or a nipolet for a 90° branch connection. A Nipoflange is a combination of weldolet, nipolet and flange.

Two different pipe branch connections

On the run pipe side  a nipoflange is designed like a weldolet. That means the branch connection on the run pipe side is a welding connection. On the other side there it has a flange connection. The flange connection can be designed according to customers requirements (acc. To DIN or ANSI).



Forged material

A nipoflange similar to ANSI B 16.9 or MSS-SP 97 is manufactured from  forged material. That means a nipoflange is a forged fitting without welding seam.

Technical data

On request further technical informations about nipoflanges are available. Other terms for nipoflange are weldoflange or flangeolet.

Standard and special materials

Anthermo is able to  deliver nipoflanges in standard materials. Upon request special materials are also deliverable.

Hebei Haihao group can manufacture Plate Flange(PL Flange)Weld Neck Flange(WN Flange)Socket Weld FlangeSlip On Flange(SO Flange)Blind FlangeLap Jiont Falnge(Loose Flange)Threaded Flange Figure 8 FlangeIntegral Flange etc.We supplys a variety of pipe flanges to satisfy our customers’ specifica requirements,which include different size,different schedule,different pressure and different finish faces. Our products are produced strictly according to the required standard. Our raw material for flanges all are purchased from big steel companies which can make sure the material in a high quality.

We sincerely welcome customers domestic and abroad to visit us for cooperation and development.